Keyboards / Compare

Logitech G512 X 75 vs NuPhy Air75 V3

A

Product A: Logitech

G512 X 75

88 of 164 known

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B

Product B: NuPhy

Air75 V3

96 of 164 known

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All 164 fields

Every value links to where we found it.

Only differences

ALogitech G512 X 75

BNuPhy Air75 V3

General

6 of 9 differ

Series

G51Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 20264Press releasenews.logitech.com/press-releases/news-details/2026/Introducing-the-Logitech-G512-X-Gaming-Keyboard-Designed-to-be-Tuned-Tweaked-and-Mastered-for-Personalized-Performance/default.aspxRead 8 October 2026

Air V31Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page names the Air V3 series: Air 65 V3, Air 75 V3 and Air 100 V3.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

920-013927, YU00941Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Exact US Black Linear SKU 920-013927. Embedded product variants[920-013927] names Black, English US (QWERTY), Linear. YU0094 is the support-listed keyboard M/N. Other switch/colour editions and G512 X 98 are excluded from this initial reference configuration.2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Keyboard M/N YU0094 printed on bottom label. Exact selected commerce SKU 920-013927 remains separate from hardware M/N.

Keyboard Air75 V3(White/Red Nano)-ANSI, Keyboard Air75 V3(White/Brown Nano)-ANSI, Keyboard Air75 V3(White/Blush Nano)-ANSI, Keyboard Air75 V3(Dark/Red Nano)-ANSI, Keyboard Air75 V3(Dark/Brown Nano)-ANSI, Keyboard Air75 V3(Dark/Blush Nano)-ANSI2Maker product pagepay.nuphy.com/products/nuphy-air75-v3Read 23 October 2026Same product on NuPhy's checkout domain. The six ANSI SKUs are Keyboard Air75 V3(White or Dark / Blush, Red or Brown Nano)-ANSI. JIS, DE, UK and FR SKUs are not stored.

GTIN / EAN

0978552089728Retailer pagemicrocenter.com/product/709523/logitech-g-g512-x-75-wired-gaming-keyboard-blackRead 8 October 2026Exact Mfr Part 920-013927 lists UPC 097855208972. Only SKU/UPC identity used. Its TMR switch wording and NKRO claim are not used to override maker factory mechanical configuration or unresolved rollover.

6976604918789, 6976604918796, 6976604918802, 6976604918819, 6976604918826, 69766049188332Maker product pagepay.nuphy.com/products/nuphy-air75-v3Read 23 October 2026Barcode column of the six ANSI SKUs.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

28 April 20264Press releasenews.logitech.com/press-releases/news-details/2026/Introducing-the-Logitech-G512-X-Gaming-Keyboard-Designed-to-be-Tuned-Tweaked-and-Mastered-for-Personalized-Performance/default.aspxRead 8 October 2026

June 20258Press articlexiaomitoday.com/nuphy-unveils-air75-v3-low-profile-wireless-mechanical-keyboard-with-long-battery-lifeRead 23 October 2026Launch article of June 12, 2025.9Press articlegreen-keys.info/en/nuphy-air75v3-is-now-available%ef%bd%9cnew-lineup-of-japanese-language-layoutsRead 23 October 2026Article of June 12, 2025: ANSI pre-orders from June 10, 2025.

Status

Available4Press releasenews.logitech.com/press-releases/news-details/2026/Introducing-the-Logitech-G512-X-Gaming-Keyboard-Designed-to-be-Tuned-Tweaked-and-Mastered-for-Personalized-Performance/default.aspxRead 8 October 2026

Available1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page shows an Add to cart button on the access date.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$179.994Press releasenews.logitech.com/press-releases/news-details/2026/Introducing-the-Logitech-G512-X-Gaming-Keyboard-Designed-to-be-Tuned-Tweaked-and-Mastered-for-Personalized-Performance/default.aspxRead 8 October 2026Maker suggested retail price USD 179.99 for 75 layout, separate from USD 199.99 for 98 layout. Exact US Black Linear reference current list price corroborates same figure. Excludes tax and separately sold palm rest.

$139.958Press articlexiaomitoday.com/nuphy-unveils-air75-v3-low-profile-wireless-mechanical-keyboard-with-long-battery-lifeRead 23 October 2026Article: announced price 139.95 USD. US price. Tax treatment is not stated and US prices are normally without sales tax.9Press articlegreen-keys.info/en/nuphy-air75v3-is-now-available%ef%bd%9cnew-lineup-of-japanese-language-layoutsRead 23 October 2026Listed price 139.95 USD for the ANSI layout.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Not available

ColoursiThe maker's own colour names

Black1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Nova White, Nebula Dark1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Colour selector lists Nova White and Nebula Dark. Nebula Dark is sold in the ANSI layout only.2Maker product pagepay.nuphy.com/products/nuphy-air75-v3Read 23 October 2026SKU names carry White and Dark. Colour names Nova White and Nebula Dark are on the product page.

Segment

Gaming1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Portable1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page headline is Wireless Mechanical Keyboard. It pitches the 75% size for small spaces, students and mobile work, and shows a travel case. Stored as portable.

Sold asiParts fitted when sold. A complete keyboard includes switches and keycaps. Barebones includes neither.

Complete1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Complete1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026In the box heading says PRE-BUILT KEYBOARD. Switches and keycaps are fitted.

Layout

4 of 12 differ

Form factoriLayout size or shape. A percentage describes the layout, not the number of keys.

75 %1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

75 %1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs, Air 75 V3: Layout ANSI 75%.

Layout standardiPhysical key layout standards sold for this model. Regional language names are listed separately.

ANSI1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Selected US ANSI photo has single-row horizontal Enter and wide left Shift. Typing rows 13 + 15 + 15 + 14 + 14 + 10 = 81, excluding two knobs. No ISO/JIS typing count is imported.

ANSI1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Scope is the ANSI layout only. The maker also sells JIS, ISO German, ISO British and ISO French layouts. They are not stored.

Regional layouts

US1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

ANSI - US English1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Layout selector: ANSI - US English.

Keys in regional layoutiPhysical typing and function keys in the stated regional layout. Separate media buttons, macro buttons and rotary controls are excluded. A Touch ID or Lock key in a key row counts, as on Apple keyboards.

812Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

841Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs, Air 75 V3: Number of Keys 84.

Key legends for

Windows1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

macOS5Reviewtomsguide.com/computing/peripherals/nuphy-air75-v3-reviewRead 23 October 2026Review: macOS-biased by default, with all the macOS Fn buttons on the top row. The maker render shows CMD and OPT legends. Windows legends are not confirmed, so only macos is stored.

Numpad

No1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

No1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026The 100% model is the one that features a Numpad. The Air 75 V3 is listed as 75% with 84 keys and the render shows no numpad.

Function row

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Yes1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page: Air 75 V3 features the F-row.

Dedicated arrow keys

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Yes4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Section 04 key diagrams show Fn with arrow keys.

Navigation keysiAvailability of Home, End, Page Up and Page Down as dedicated keys or through an Fn layer.

Compact1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026US photo has dedicated Page Up and Page Down in the right column, with Home and End as front-side Fn legends. Therefore compact, not a full dedicated navigation cluster.

Compact6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: the PageDown keycap was swapped for Delete, so PageDown is a dedicated key. The maker render shows PgUp, PgDn, Home and End.

Key stagger

Row-staggered1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Row-staggered1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Maker render shows a row-staggered layout.

Bottom row

Not available

Not available

Low profile

No7Reviewhardwired.pbtech.co.nz/article/2945/logitech-g512-x-75-hands-on-reviewRead 8 October 2026Exact 75 hands-on review explicitly says standard-profile keys sit higher than a slim low-profile keyboard. No force or sound measurement from its Black Tactile configuration is imported. Its G HUB closed behavior conflicts with another review, so it is not used to claim universal runtime dependence.

Yes1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page: thin as 13.2mm. Tech specs list a low-profile switch.

Switches

20 of 25 differ

Switch sensing technologyiKey sensing technology. Hall effect and TMR are different sensor types. A mixed board is identified explicitly. Magnetic switch housing alone does not identify the sensor.

Mechanical1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Embedded universal mechanical specifications explicitly state 81 preinstalled Tactile or Linear mechanical switches. Selected variant is Linear. TMR sensors are built into 39 beds but are not the sensing path of the factory mechanical switches. This is not a factory Hall-effect or TMR switch configuration.9Reviewrtings.com/keyboard/reviews/logitech/g512-xRead 8 October 2026Public Difference Between Variants identifies tested 75 Black Linear. Public introduction explicitly says full mechanical set fitted, nine magnetic switches supplied to swap in. Protected numeric force, latency, noise, dimensions and mass results are not accessed or transferred.

Low-profile mechanical1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs, Air 75 V3: Switch Type Low-profile. Switches are mechanical Gateron low-profile 3.0. Stored as low_profile_mechanical.

Switch feel

Linear1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Factory Kailh Linear only. Optional magnetic switches and optional SAPP pressure-point rings do not turn the stock feel into tactile.

Linear, Tactile, Silent linear2Maker product pagepay.nuphy.com/products/nuphy-air75-v3Read 23 October 2026Switch cards: Red nano 45gf Linear, Brown nano 50gf Tactile, Blush nano 42gf Linear. Blush is the silent variant (RTINGS: silent linear).3Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026Spec blocks per colour: Red linear, Brown tactile, Blush linear and silent.

Switch maker

Kailh2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

Gateron1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page FAQ: Why choose Gateron Low-profile 3.0 Switches.

Switch models

Kailh Linear2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

Red nano, Brown nano, Blush nano2Maker product pagepay.nuphy.com/products/nuphy-air75-v3Read 23 October 2026Names as sold: Red nano, Brown nano, Blush nano.3Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026Switch spec blocks Low-profile Red, Brown and Blush 3.0, sold on the keyboard as nano.

Switch stem

Not available

Not available

Actuation forceiForce at the point where a key registers. Initial spring force is not actuation force. Adjustable switches require a stated actuation setting.

40gf2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Factory Kailh Linear manufacturer actuation force 40 ±8 gf at the fixed 2 mm standard mechanical actuation point in the same specification table. Not initial spring force. Optional Gateron KS20 nominal 30 ±10 g lacks an adjustable actuation setting and is not used for the factory scalar.

42 to 50gf2Maker product pagepay.nuphy.com/products/nuphy-air75-v3Read 23 October 20263Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 20265Reviewtomsguide.com/computing/peripherals/nuphy-air75-v3-reviewRead 23 October 2026

Bottom-out forceiForce at the end of the switch travel. It is not the initial spring force or the tactile peak.

Not available

55 to 65gf2Maker product pagepay.nuphy.com/products/nuphy-air75-v3Read 23 October 20263Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 20265Reviewtomsguide.com/computing/peripherals/nuphy-air75-v3-reviewRead 23 October 2026

Tactile bump forceiPeak force of the tactile bump. It is not the force at initial movement or at bottom-out.

Not available

Not available

Actuation pointiDistance before a key registers. For adjustable boards, the default profile or setting is stated in the source note.

2mm2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Published standard mechanical 2 mm, describing all 81 fitted Kailh Linear switches. Optional magnetic adjustment is stored separately with 39-bed conditions.

1.7mm3Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026Pre-travel is 1.7 +/- 0.4 mm for Red, Brown and Blush. TweakTown and Tom's Guide also give about 1.7 mm.

Total travel

4mm2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Maker published full travel 4.00 mm for stock mechanical keys. No inference from optional 0.1-4 mm adjustable actuation range. Japanese release specifications qualify mechanical travel 4 ±0.4 mm, distinct from magnetic 4 ±0.2 mm.

3.2 to 3.5mm2Maker product pagepay.nuphy.com/products/nuphy-air75-v3Read 23 October 20263Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 20265Reviewtomsguide.com/computing/peripherals/nuphy-air75-v3-reviewRead 23 October 2026

Rated keystrokes

50million2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Published keyboard durability 50 million presses. Stored for factory mechanical configuration. No separate lifetime is assigned to optional KS20 magnetic switches.

Not available

Factory-lubed switches

Not available

Yes3Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026Switch spec blocks: factory lube yes.

Adjustable actuation

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Only after magnetic switches are installed and scanned in the 39 Dual Swap beds on the left side and arrows. All 81 typing keys are fitted with Kailh Linear mechanical switches at sale. Nine loose Gateron KS20 magnetic switches are supplied in rear storage, not installed under typing keys. Remaining 42 beds are mechanical only.

No7Reviewrtings.com/keyboard/reviews/nuphy/air75-v3-air65-v3-air100-v3Read 23 October 2026Header: Output Type Non-Adjustable. Switch type mechanical. Test result cells are behind a membership and were not used.

Actuation rangeiSelectable actuation distances. These are settings, not a measured usable travel range.

Min0.1Max4mm1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Applies only after magnetic switches are installed and scanned in the 39 Dual Swap beds. Maker selectable magnetic range 0.1 to 4.0 mm. Factory mechanical actuation remains fixed at 2 mm.

Not available

Actuation stepiSmallest documented increment between selectable actuation settings.

0.1mm5Reviewmezha.ua/en/reviews/oglyad-logitech-g512-x-75-310884Read 8 October 2026Exact 75 review explicitly states magnetic-switch adjustable actuation increments 0.1 mm. Applies after compatible magnetic switches are installed/scanned in 39 Dual Swap beds. It does not apply to the stock mechanical switches. White Tactile test-unit force/mass measurements are excluded.

Not available

Per-key actuationiActuation can be configured individually for supported keys. The source note identifies any excluded keys.

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Applies only after magnetic switches are installed and scanned in the 39 Dual Swap beds. Maker explicitly says each analog switch can have its own actuation distance. Not all 81 factory mechanical keys are individually adjustable.

Not available

Rapid trigger

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Applies only after magnetic switches are installed and scanned in the 39 Dual Swap beds. Exact maker product-tour RAPID TRIGGER text describes dynamic re-actuation for quicker resets. This is not a capability of the 81 fixed mechanical stock keys.

Not available

Minimum rapid trigger movementiSmallest selectable movement used to reset or reactivate a key. This is a setting, not measured accuracy.

Not available

Not available

Multi-action keys

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Applies only after magnetic switches are installed and scanned in the 39 Dual Swap beds. Two actions at different depths are mapped through G HUB. SAPP rings can add a physical pressure point but are not required for software multipoint mapping.3Owner's manuallogitech.com/content/dam/support/g-keyboards/g512-x-75/g512-x-75-qsg-amr.pdfRead 8 October 2026Printed page 9 says second actuation is only possible with analog switches. SAPP rings fit keycap stems, not switch stems. Configure Remap Multi Action and O-ring installed in G HUB. Factory mechanical 2 mm keys do not gain depth-sensing from a ring alone.

Not available

SOCD handling

Yes5Reviewmezha.ua/en/reviews/oglyad-logitech-g512-x-75-310884Read 8 October 2026G HUB analog-switch tab Key Priority gives priority to latest selected input and deactivates prior key. Conditional on compatible installed/scanned magnetic switches in 39 Dual Swap beds. Not a claim that factory mechanical keys produce joystick output.

Yes5Reviewtomsguide.com/computing/peripherals/nuphy-air75-v3-reviewRead 23 October 2026Review: customizable SOCD resolutions in the NuPhyIO web app. The maker's name for it is not given.

Analog inputiCan send variable gamepad or joystick input. Magnetic sensing or adjustable actuation alone does not establish analog output.

No9Reviewrtings.com/keyboard/reviews/logitech/g512-xRead 8 October 2026Public Popular Keyboard Comparisons explicitly says the G512 X does not support true analog output for joystick emulation. Magnetic switch-depth sensing, adjustable actuation and multiple binary actions at different depths are distinct from variable gamepad-axis output. No protected test result is used. The review identifies its tested unit as G512 X 75 Black Linear.

Not available

Hot-swap socketsiSwitches can be replaced without soldering. Magnetic compatibility must be checked separately.

Other1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Mixed socket coverage. All 81 beds support mechanical hot-swap. Maker explicitly documents standard 3-pin/5-pin mechanical compatibility in the 39 Dual Swap beds, which additionally accept compatible magnetic switches. Pin compatibility outside those 39 beds is not independently enumerated, so Other avoids implying five-pin support in every typing position.

5-pin1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Hot-swappable Support Yes. The switch page states 5-pin mounting.3Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026Switch spec blocks: 5-pin mounting for all four colours.

Compatible switches

81 mechanical hot-swap beds. The 39 Dual Swap beds additionally accept centered-magnet Gateron KS20-compatible magnetic switches. Standard 3-pin and 5-pin mechanical compatibility is explicitly documented for those 39 beds. The remaining 42 beds support mechanical switches only.1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Maker 39-bed claim and 81 mechanical-bed claim plus manual printed pages 6 to 8. Manual requires power cable disconnected before swapping. Use centered-magnet magnetic switches matching Gateron KS20 magnet placement, and rescan after installation. No universal compatibility with arbitrary magnetic housings is claimed.3Owner's manuallogitech.com/content/dam/support/g-keyboards/g512-x-75/g512-x-75-qsg-amr.pdfRead 8 October 2026Printed pages 6-8 repeatedly specify 39 analog-capable beds, left-hand region plus arrows. Centered magnet required. Outside those beds magnetic keys will not work. Disconnect power and rescan using rear Scan button after changes. Game Watch Japanese review says 41, which is rejected against exact maker manual and product page 39.

Gateron low-profile 3.0 switches7Reviewrtings.com/keyboard/reviews/nuphy/air75-v3-air65-v3-air100-v3Read 23 October 2026Intro: hot-swappable PCB compatible with Gateron low-profile 3.0 switches.

Stabilizers

Not available

Plate-mounted1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Stabilizer Type Plate Mounted.

Factory-lubed stabilizers

Not available

Not available

Keycaps

2 of 5 differ

Keycap material

PBT1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

PBT1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Keycap Double-shot PBT.

Legend method

Doubleshot1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Embedded additional feature PBT DOUBLESHOT KEYCAPS explicitly states double-shot, independently consistent with exact 75 reviews. Cap profile is not published.

Doubleshot1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Keycap Double-shot PBT. The JIS review by green-keys calls the legends dye-sub. The maker wording is stored.

Keycap profile

Not available

Low profile5Reviewtomsguide.com/computing/peripherals/nuphy-air75-v3-reviewRead 23 October 2026Review: NuPhy's low-profile nSA keycaps. The profile is stored as low_profile.

Keycap thickness

Not available

Not available

Shine-through legendsiLight passes through the legends. Translucent keycap sides alone do not count.

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Same maker additional feature states dual-layer caps let LIGHTSYNC RGB shine through every key. Printed front-side secondary functions are not assumed to illuminate.

No7Reviewrtings.com/keyboard/reviews/nuphy/air75-v3-air65-v3-air100-v3Read 23 October 2026Sizes and variants table: default keycaps are double-shot PBT that are not shine-through.

Performance

8 of 11 differ

Polling rate per connectioniDocumented report rates for each connection. Required receivers or optional adapters are identified in the row and source note.

ALogitech G512 X 75

Connection	Polling rate (Hz)
USB (wired)	1,000
USB (wired)	8,000

Source3Owner's manuallogitech.com/content/dam/support/g-keyboards/g512-x-75/g512-x-75-qsg-amr.pdfRead 8 October 2026Printed page 4 explicitly supports 1 kHz and 8 kHz. Factory default 1 kHz. Selection in G HUB Performance/Report Rate. Other rates, scan rate and latency are not computed from these settings.

BNuPhy Air75 V3

Connection	Polling rate (Hz)	Receiver or adapter
USB (wired)	1,000	Not available
2.4 GHz	1,000	Included 2.4G dongle
Bluetooth	125	Not available

Source1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: 2.4GHz 1000 Hz, wired 1000 Hz, Bluetooth 5.0 125 Hz. The in-the-box list includes the 2.4G dongle.

Max polling rate

8,000Hz=CalculatedFrom Polling rate per connection

1,000Hz=CalculatedFrom Polling rate per connection

Polling rate (wired)

8,000Hz=CalculatedFrom Polling rate per connection

1,000Hz=CalculatedFrom Polling rate per connection

Polling rate (2.4 GHz)

Not available

1,000Hz=CalculatedFrom Polling rate per connection

Polling rate (Bluetooth)

Not available

125Hz=CalculatedFrom Polling rate per connection

Scan rateiHow often the keyboard reads its switches. A USB report rate does not establish a scan rate.

Not available

Not available

Input latency (claimed)iMaker-published input or response latency with conditions in the source note. Do not calculate this from polling rate.

0.125ms4Press releasenews.logitech.com/press-releases/news-details/2026/Introducing-the-Logitech-G512-X-Gaming-Keyboard-Designed-to-be-Tuned-Tweaked-and-Mastered-for-Personalized-Performance/default.aspxRead 8 October 2026Literal maker press-release claim: 0.125 ms end-to-end, with True 8K polling, reporting and processing. Stored as manufacturer claim, not calculated from reciprocal 8000 Hz and not a reviewer measurement. Exact latency start/end points, test equipment, workload, firmware, fitted switch type, actuation setting and sample count are not published. It must not be treated as measured button-to-host or display latency.

Not available

Key rollover per connectioniKeys registered simultaneously over the stated connection. Connection is omitted if the source does not specify it.

ALogitech G512 X 75

Not available

BNuPhy Air75 V3

Rollover
NKRO

Source1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: N-key Rollover Support Yes. The page does not split it by connection.

Anti-ghosting

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Exact support table says N key rollover / Anti Ghosting YES but separately Anti-Gosting keys 10. Store anti-ghosting as a limited maker claim. No universal NKRO or invented 10KRO enum is inferred. The key_rollover field is omitted pending resolution.

Not available

Adjustable debounce

Not available

Not available

Minimum debounce

Not available

Not available

Measured

None of 7 known

Latency per connection (measured)iReviewer measurements for one tested setup per row. Settings and test method are stated in the source note. Missing conditions are not inferred.

Not available

Not available

Actuation point (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Total travel (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Operating force (measured)iReviewer-measured force at actuation. The switch and actuation setting are stated in the source note.

Not available

Not available

Typing noise (measured)iReviewer-measured A-weighted typing sound level. Measurement distance and conditions are stated in the source note.

Not available

Not available

Battery life (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Weight (measured)iReviewer-measured keyboard weight without cable or wrist rest. The tested configuration is stated in the source note.

Not available

Not available

Connectivity

9 of 18 differ

Connections

USB (wired)2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

USB (wired), 2.4 GHz, Bluetooth1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Mode 2.4GHz, Wired (USB-C) or Bluetooth 5.0.

Wireless technology

Not available

Not available

Bluetooth

Not available

5.01Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Bluetooth 5.0. A launch news article says 5.1. The maker page is stored.

Bluetooth device slots

Not available

34Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Section 03: Fn+1, Fn+2, Fn+3 select Bluetooth 1, 2 and 3. Fn+4 selects 2.4GHz. Long press for 3 seconds pairs.7Reviewrtings.com/keyboard/reviews/nuphy/air75-v3-air65-v3-air100-v3Read 23 October 2026Verdict: Bluetooth with up to three devices at once.

Devices it can switch betweeniDistinct device connections available for switching. Do not infer this by adding wireless modes or paired Bluetooth slots.

Not available

45Reviewtomsguide.com/computing/peripherals/nuphy-air75-v3-reviewRead 23 October 2026Spec table: Paired devices max 4. This fits the manual's three Bluetooth slots plus the 2.4G dongle.

Device switchingiControl used to switch between paired device hosts. Connection-mode and OS switches are described separately.

Not available

Keys4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Section 03: short press of Fn plus a number key switches between devices.

Receiver connector

Not available

Not available

Receiver storage in keyboard

Not available

Yes4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026The rear edge diagram shows a NuPhy dongle slot. TweakTown also says there is a slot on the back for the dongle.6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: a slot on the back for the 2.4 GHz dongle.

Receiver shared with other devices

Not available

Not available

Wireless range

Not available

Not available

Detachable cable

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Yes4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026The box holds a USB-C to USB-C cable and the keyboard has a USB-C port.

Port on keyboard

USB-C2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

USB-C4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Same rear edge diagram: a USB-C port.

Cable plug

USB-A1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

USB-C1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Box list: USB-C to USB-C cable, so the plug at the computer end is USB-C.

Cable

Not available

Not available

Cable length

1.8m1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 20262Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

Not available

USB passthrough

Not available

Not available

Works withiSystems on which the keyboard works. Configuration software may have narrower system support.

Windows, macOS2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Maker at-release platform support Windows and macOS. Exact product data specifies Windows 10 or later, macOS 12 or later. Linux, ChromeOS, mobile and console operation unproved.

Windows, macOS, Linux, iOS, Android1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Compatible System macOS/Windows/Android/iOS. Linux is added from the Tom's Guide and TweakTown spec tables.5Reviewtomsguide.com/computing/peripherals/nuphy-air75-v3-reviewRead 23 October 2026Spec table: macOS, Windows, Linux.

Consoles

Not available

Not available

Battery

8 of 16 differ

Battery type

Not available

Not available

Number of batteriesiNumber of replaceable AA or AAA cells required. Internal rechargeable battery packs are not counted here.

Not available

Not available

Battery capacity

Not available

4,000mAh1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs, Air 75 V3: Battery Capacity 4000mAh. The 2500 mAh figure in the same table is the Air 65 V3.

User-replaceable battery

Not available

Not available

Battery life per mode (claimed)iMaker estimates. Store one published native duration unit per row: hours, days or months. Days and months describe calendar use including idle time, not continuous runtime. Do not convert calendar estimates into hours. Connection, lighting and polling rate are included only when published. Brightness, workload, screen status, sleep settings and up-to qualifiers go in the source note.

ALogitech G512 X 75

Not available

BNuPhy Air75 V3

Lighting	Hours (h)
Off	1,200
On	100

Source1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs, Air 75 V3: Working Time all lights off up to 1200 hours, all lights on 60~100 hours, both lab test results. Page: measured with RGB lighting turned off for the 1200 hour figure. The up-to value 100 hours is stored for lights on and the 60 hour low end is not. Connection, brightness and effects are not stated.

Longest battery life (claimed)iLongest maker estimate published in hours across the listed modes. Rows published in days or months do not contribute. Conditions can differ between products.

Not available

1,200h=CalculatedFrom Battery life per mode (claimed)

Battery life, lighting offiLongest maker estimate published in hours with lighting off. Calendar-day and calendar-month estimates are not converted and do not contribute.

Not available

1,200h=CalculatedFrom Battery life per mode (claimed)

Battery life, lighting oniLongest maker estimate published in hours with lighting enabled. Calendar-day and calendar-month estimates are not converted and do not contribute. Brightness and display conditions are stated in the source note.

Not available

100h=CalculatedFrom Battery life per mode (claimed)

Battery life, backlight on (claimed)iLongest maker up-to estimate published in calendar days with backlighting enabled. Includes idle time and the source-defined usage pattern, not continuous runtime. Brightness, workload, connection and sleep conditions remain in the table and source note. Hours and months are not converted.

Not available

Not available

Battery life, backlight off (claimed)iLongest maker up-to estimate published in calendar months with backlighting off. Includes idle time and the source-defined usage pattern, not continuous runtime. Workload, connection and sleep conditions remain in the table and source note. Hours and days are not converted.

Not available

Not available

Charging port

Not available

USB-C4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Section 02 diagram: one USB-C port with a cable icon on the rear edge.

Full charge timeiPublished time for a full charge. Approximate times remain qualified in the source note.

Not available

300min10Spec databasegreen-keys.info/en/keyboard/nuphy%EF%B8%8E-air75-v3-us-jisRead 23 October 2026Spec table: charging time about 5 hours for a full charge. Stored as 300 minutes and it is approximate. The maker page does not state a charge time.

Quick charge

Not available

Not available

Use while charging

Not available

Not available

Solar charging

Not available

Not available

Battery indicator

Not available

LED4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Right side RGB bar shows the battery level in colours (red 1 to 10 percent, orange 11 to 95, green 96 to 100). Fn+| turns on a permanent battery display. TweakTown says the sidelights are cosmetic. The manual is stored.

Build

3 of 8 differ

Case material

Post-consumer recycled ABS top, middle and bottom case2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Maker Material Used cell says PCR ABS top/middle/bottom case. Whole device is not described as metal or polycarbonate. No body resin percentage is calculated from the Black 44% whole-plastic-parts sustainability claim.

Aluminum top case, ABS bottom case1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Top Case Aluminum, Bottom Case ABS.6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: CNC-machined aluminum top case with a brushed finish on the white model and a transparent ABS bottom case.

Plate material

Polycarbonate2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Maker explicitly lists PC switch plate, stored as polycarbonate. Not an aluminum plate inferred from weight or appearance.

Polycarbonate1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Plate Material PC.

Mount style

Gasket1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Embedded additional feature PREMIUM GASKET MOUNT explicitly describes silicone gasket mounting. Does not prove stabilizer mounting or PCB flex cuts.6Reviewgame.watch.impress.co.jp/docs/review/rev1/2110360.htmlRead 8 October 2026Japanese review explicitly identifies silicone gasket mounting. Its test units are 75 Black Linear and 98 White Tactile. No JIS key count, 98 size, uncertain 41-bed count or numeric reviewer measurement transferred to the US 81-key reference.

Gasket1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Mount Type Gasket.

Flex cuts in PCB

Not available

Not available

Sound dampeningiDampening layers the maker or a review names. Foam whose position in the stack is not stated is foam. Films, pads and silicone parts that fit no other option are other.

Foam, position not stated, Other6Reviewgame.watch.impress.co.jp/docs/review/rev1/2110360.htmlRead 8 October 2026Exact 75 Black Linear sample review explicitly describes urethane foam and cushioning materials. Exact internal location is not established, so the foam is stored as foam rather than guessing case/plate/PCB foam, and the other cushioning as other. Maker additionally identifies silicone gasket noise damping.

Foam, position not stated, Silicone bottom11Reviewgreen-keys.info/en/nuphy-air75-v3-jis-japanese-array-review%EF%BD%9Cthe-appeal-of-a-low-profile-keyboard-with-a-change-in-keystroke-sound-directionRead 23 October 2026JIS layout review: sound-absorbing foam and a silicone sheet on the bottom, visible through the ABS base. RTINGS also mentions layers of internal sound-dampening material. Foam position is not stated, so it is stored as foam.

Typing anglesiKeyboard slope for each supported foot position, starting with the lowest. An adjustable-foot count does not establish angles. When the maker publishes only the angle with the feet out, that angle is stored alone.

4°, 8°3Owner's manuallogitech.com/content/dam/support/g-keyboards/g512-x-75/g512-x-75-qsg-amr.pdfRead 8 October 2026Printed page 5 default 4 degrees without removable feet, 8 degrees after installing both supplied pullers as rear feet. Both actual supported positions, not a degree estimate from photos.

4°, 8°, 10°1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Type Angle 4/8/10 degrees. Page: 3-stage adjustable kickstand.

Spill resistant

Not available

Not available

IP rating

Not available

Not available

Lighting

2 of 7 differ

Backlight

RGB per key1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

RGB per key1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: North-facing RGB-LED, 20 backlight modes. Per-key lighting is stated by the Tom's Guide spec table.5Reviewtomsguide.com/computing/peripherals/nuphy-air75-v3-reviewRead 23 October 2026Spec table: Backlighting Per-key RGB. TweakTown says the lighting appears to be zone-based. Tom's Guide is stored and the maker page says RGB-LED without a zone count.

LED position

Not available

North-facing1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: Backlight North-facing RGB-LED. The green-keys spec table says south-facing. The maker is stored.6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: north-facing per-key lighting.

Lighting zones

Not available

Not available

Brightness levelsiSelectable onboard brightness steps. The source note states whether the off position is included.

Not available

Not available

Side or underglow lighting

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Front-facing case-edge RGB Lightbar, controlled independently from key lighting in G HUB. Not just key spill light. Front strip is part of keyboard, while the optional acrylic rest amplifies diffusion without LEDs of its own. Total lighting-zone count is not inferred from the front-bar-only 33-zone review figure.

Yes4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Sections 05 and the RGB status guide: left side and right side RGB light bars with their own brightness, effect, colour and speed keys.

Lighting sensors

Not available

Not available

Lighting sync

LIGHTSYNC RGB1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Not available

Controls

7 of 12 differ

Media keysiPlayback controlled by separate buttons, an Fn layer or a multifunction knob/rocker. Volume controls are listed separately, and knob presses are excluded from the separate media-button count.

Fn layer1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Official native US photo front legends show Fn+F9 previous, Fn+F10 play/pause and Fn+F11 next. Fn+F12 mute is a volume function. These are typing-function-key shortcuts, not separate media buttons.

Fn layer1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page: a Mac multimedia key layout, with shortcut keys for Mission Control, focus, dictation and screenshots. These are Fn-row keys and no separate media buttons are listed.

Separate media buttonsiSeparate physical buttons for playback or mute, counted once each. Fn shortcuts, macro buttons, knob presses and roller presses are excluded.

01Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Complete physical controls have two rotary knobs plus rear Game Mode and Scan buttons. No separate playback/mute button. Knob press mute is excluded by schema.

Not available

Volume control

Knob1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Knob1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page: the top-right position takes a control knob. RTINGS says it controls volume by default.4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Knob diagram: volume up, volume down, mute and unmute.

Knobs

21Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

11Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026One knob position at the top right. Two knob modules, high and low, are in the box for it.

Programmable knob

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Yes1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page, Functional Knob: pair it with NuPhyIO for quicker controls. Page: low-profile knob module and high-profile knob module are both in the box.4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Section 10: NuPhyIO web configurator with Mac and Win layers.

Knob press

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Maker additional feature PROGRAMMABLE DIALS explicitly says two clickable, remappable turn dials. Left controls overall brightness by default, right controls volume. Both are counted as knobs.

Yes4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Knob diagram: turn for volume up and down, press for mute and unmute.

Separate macro keysiSeparate physical keys or buttons intended for macros. Excludes ordinary remappable keys, media buttons and a dedicated software-launch button.

01Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Complete 81-key layout has no extra macro typing buttons. Rear Game Mode and Scan buttons are system controls. Assigning ordinary keys or knob functions to macros does not create dedicated macro keys.

01Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026No separate macro keys on the render or in the manual diagrams.4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026No separate macro keys in the manual diagrams.

Built-in screen

Not available

None4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026No screen in the manual diagrams or the maker render.

Touchpad

Not available

No4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026No touchpad in the manual diagrams or the maker render.

Fingerprint reader

Not available

No4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026No fingerprint reader in the manual diagrams or the maker render.

OS mode switch

Not available

Switch4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Section 01: slide switch for Win mode and Mac mode. Section 02: slide switch for power off, wired and wireless.

Windows key lock

Yes5Reviewmezha.ua/en/reviews/oglyad-logitech-g512-x-75-310884Read 8 October 2026Exact 75 rear Game Mode button disables Windows key by default, with additional disabled keys configurable through G HUB. Not an OS-mode selector. White Tactile shared control layout corroborated by the US Black maker photo.

Not available

Software

4 of 10 differ

Software

Logitech G HUB2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

NuPhyIO6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: NuPhyIO website, the portal for the latest customization tools.

Software runs on

Windows, macOS2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

Web6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: NuPhyIO is a web-based customization tool. RTINGS says NuPhyIO 2.0 also has an offline client, which is not stored as a platform.

Open firmware

Not available

Not available

Onboard memory

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 20262Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

Yes6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: changes are stored in two on-board profiles. Export is advised before a reset.

Onboard profilesiProfiles stored on the keyboard, including fixed defaults when the maker counts them. Software-only profiles are excluded.

32Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Exact support table explicitly states 3 profiles. Does not establish all advanced magnetic features or macros executing without G HUB.

26Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: only two on-board profiles, one for Windows and one for Mac.

Macros

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Exact maker PROGRAMMABLE DIALS feature explicitly supports quick macros, and ADVANCED G HUB CUSTOMIZATION supports KEYCONTROL layering. Macro execution from keyboard storage with G HUB closed is not established.

Yes6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: NuPhyIO can record and create custom macros.

Macros stored onboardiRecorded command sequences run from keyboard storage without the configuration app. Onboard lighting or remapping alone does not establish this.

Not available

Not available

Key remapping

Yes1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

Yes6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: select a key in NuPhyIO and change its function.

LayersiTotal key mapping layers including the base layer. Lighting effect layers and profile slots are excluded.

35Reviewmezha.ua/en/reviews/oglyad-logitech-g512-x-75-310884Read 8 October 2026Exact 75 G HUB assignment description distinguishes base assignments, Fn-combination assignments and one additional G-Shift layer. Three total mapping layers including base. These are not the three onboard profile slots. Software version not published.

44Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026Section 10: Mac mode layers 0 to 3 and Win mode layers 4 to 7. That is 4 layers per OS mode and the base layer is included.

User firmware updates

Yes3Owner's manuallogitech.com/content/dam/support/g-keyboards/g512-x-75/g512-x-75-qsg-amr.pdfRead 8 October 2026Printed page 3 G HUB checks software updates and checks connected G512 X75 for firmware updates, then directs user through instructions. Firmware version for specific review tests is not published.

Yes6Reviewtweaktown.com/reviews/11177/nuphy-air75-v3-low-profile-wireless-keyboard-smooth-operator/index.htmlRead 23 October 2026Review: the NuPhyIO portal upgrades the firmware from the browser.

Ergonomics

1 of 4 differ

Wrist rest

None1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026G512 X Palm Rest 75 sold separately. No wrist rest included in this reference box, so optional acrylic rest material and dimensions are not assigned to bundled equipment.

None1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026The Mono Wrist Rest is a separate paid add-on and not in the box.

Wrist rest material

Not available

Not available

Tenting

No3Owner's manuallogitech.com/content/dam/support/g-keyboards/g512-x-75/g512-x-75-qsg-amr.pdfRead 8 October 2026Printed page 5 shows traditional front-to-back tilt on one rigid keyboard body. No split-half or side-tenting mechanism.

Not available

Tenting angles

Not available

Not available

Dimensions and weight

2 of 6 differ

DimensionsiKeyboard body dimensions with fitted keycaps, without wrist rest and with feet folded. Any different measurement condition is stated in the source note. Width is the longest side, depth runs front to back and height is the thickness. Map by size when the maker's labels differ.

Width330.2Depth155.2Height46.6mm(13 × 6.1 × 1.8 in)2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Maker component Keyboard height 46.6 mm, width 330.2 mm, depth 155.2 mm. Body with fitted caps, excluding optional palm rest. Published feet position is unknown. Default tilt 4 degrees and optional puller-feet 8 degrees are separate from body measurement condition.

Width318.9Depth128.9Front height13.2mm(12.6 × 5.1 × 0.5 in)1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs: 318.9 mm x 128.9 mm x 13.2 mm. TweakTown and green-keys describe 13.2 mm as the thickness at the front edge, so it is stored as front height and not as height.

Dimensions with wrist rest

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Keyboard weightiKeyboard without cable or wrist rest. Weights that include accessories cannot be stored here. A cable that cannot be removed is included. Replaceable batteries are included, as built-in batteries are.

850g(1.9 lb)2Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026Maker Keyboard component mass 850 g, excluding separate cable and optional palm rest. Stored rear-switch/SAPP state is not specified. No reviewer-measured mass is inferred. White Tactile Stuff review lists 862 g without a scale method, so it does not replace the maker value or populate measured_weight_g.

724g(1.6 lb)1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Tech specs, Air 75 V3: 724 grams. TweakTown lists 735 grams and Tom's Guide 1.65 lb. The maker is stored.

Weight including wrist restiKeyboard plus supplied wrist rest, excluding packaging. The source note identifies any included cable.

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Box dimensions

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Box weightiOne retail package including its contents. A multi-unit shipping carton weight is excluded.

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Certifications

None of 2 known

Platform certifications

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Other certifications

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In the box

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In the box

G512 X 75 keyboard with 81 fitted Kailh Linear mechanical switches, Nine Gateron KS20 magnetic switches stored in the rear compartment, 1.8 m detachable USB-C to USB-A cable, Keycap puller, also an 8-degree tilt foot, Switch puller, also an 8-degree tilt foot, Five alternative black keycaps for Escape and arrows, Five Second Actuation Pressure Point (SAPP) rings, Documentation1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Exact product package contents lists keyboard, 9 loose magnetic switches, 1.8 m USB-C/A cable, two puller/tilt feet, 5 alternative keycaps, 5 SAPP rings and documentation. Nine magnetic switches are stored behind rear cover, not factory typing switches. No bundled palm rest.

Air75 V3 Keyboard, USB-C to USB-C Cable, High-Profile Knob Module, Low-Profile Knob Module, 2.4G Dongle, Screwdriver, Keycap/Switch Puller, User Manual/FAQ Download, Extra Keycaps (6 for ANSI-US)1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Air 75 V3 box list. Extra keycaps: ANSI-US 6, JIS 7, ISO-DE 7, ISO-UK 14, ISO-FR 24. The page says old and new packaging ship at random.2Maker product pagepay.nuphy.com/products/nuphy-air75-v3Read 23 October 2026Page repeats the box list with extra keycaps by layout. ANSI-US has 6.

Cables included

ALogitech G512 X 75

Type	Count
USB-C to USB-A	1

Source1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

BNuPhy Air75 V3

Type	Count
USB-C to USB-C Cable	1

Source1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Box list: 1 x USB-C to USB-C Cable.

Spare switches

93Owner's manuallogitech.com/content/dam/support/g-keyboards/g512-x-75/g512-x-75-qsg-amr.pdfRead 8 October 2026Nine included loose Gateron KS20 magnetic switches in rear storage. They are upgrade/replacement switches, not identical mechanical spares. Factory 81 installed switches are excluded.

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Links

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Product page

www.logitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-0139271Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026

nuphy.com/products/nuphy-air75-v31Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Read in Chrome because curl and WebFetch hit a Vercel security checkpoint and a 429.

Spec sheet

support.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-752Maker product pagesupport.logi.com/hc/en-us/articles/39413262252951-Specification-G512-X-75Read 8 October 2026

Not available

Manual

www.logitech.com/content/dam/support/g-keyboards/g512-x-75/g512-x-75-qsg-amr.pdf3Owner's manuallogitech.com/content/dam/support/g-keyboards/g512-x-75/g512-x-75-qsg-amr.pdfRead 8 October 2026

cdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdf4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/Air75_V3.pdfRead 23 October 2026One-page Quick Guide in English, Chinese, Japanese and Korean, linked as User Manual/FAQ on the product page. The PDF is an image and has no text layer.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

1 of 1 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

2years1Maker product pagelogitechg.com/en-us/shop/p/g512-x-75-gaming-keyboard.920-013927Read 8 October 2026Exact US new Black Linear product payload specsAndRequirements declares 2-Year Limited Hardware Warranty. Unrelated refurbished 1-year promotional copy is excluded. Statutory rights excluded.

1year1Maker product pagenuphy.com/products/nuphy-air75-v3Read 23 October 2026Page: 1-Year warranty. The page does not name a market.

Both are also in the API. Back to all keyboards.