Keyboards / Compare

CORSAIR MAKR PRO 75 vs Keychron K3 HE

A

Product A: CORSAIR

MAKR PRO 75

88 of 164 known

Change CORSAIR MAKR PRO 75

Compare the Keychron K3 HE with

Search keyboards

B

Product B: Keychron

K3 HE

91 of 164 known

Change Keychron K3 HE

Compare the CORSAIR MAKR PRO 75 with

Search keyboards

All 164 fields

Every value links to where we found it.

Only differences

ACORSAIR MAKR PRO 75

BKeychron K3 HE

General

6 of 9 differ

Series

MAKR10Maker product pagecorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75-the-next-evolution-of-customizable-hall-effect-performanceRead 14 October 2026Maker blog, last updated 8 January 2026: the MAKR PRO 75 is the next evolution of the MAKR platform, which also has the MAKR 75 DIY kit.

K HE1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

CH-91CE21G-NA, CH-91CE21G-UK, CH-91CE21G-DE, CH-91CE21G-FR, CH-91CE21G-ND4Maker product pagecorsair.com/uk/en/p/keyboards/ch-91ce21g-uk/makr-pro-75-hall-effect-diy-keyboard-uk-ch-91ce21g-ukRead 14 October 2026Regional store pages exist for CH-91CE21G-UK, -DE, -FR and -ND with layouts UK (UK), DE (Germany), FR (France) and ND (Nordics). The Declaration of Conformity also lists NA2 and KR2 SKUs. They have no public page and are left out.

K3H-F1, K3H-F1-BO, K3H-F1-DE, K3H-F1-UK, K3H-Q11Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

GTIN / EAN

Not available

4894979045614, 4894979067913, 4894979067906, 4894979066121, 48949790456212Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboard.jsonRead 14 October 2026Barcodes of the five store variants, K3H-F1, K3H-Q1, K3H-F1-BO, K3H-F1-DE and K3H-F1-UK.

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

6 January 20263Press releasecorsair.com/newsroom/press-release/corsair-unveils-fleet-of-new-high-performance-gaming-peripherals-for-pro-level-players-at-cesRead 14 October 2026CES 2026 release dated 6 January 2026 introduces the MAKR PRO 75 Hall Effect DIY Keyboard. It carries no price or availability date.

February 20267Press articlemechkeys.com/ja/blogs/news/keychron-launches-k3-he-and-k3-ultra-low-profile-wireless-keyboards-on-february-12Read 14 October 2026Article dated 2026-02-10 reports the announcement and a February 12 launch date.

Status

Available1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Page shows In Stock on the access date with delivery estimated for 16 to 19 October 2026.

Available1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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.

$249.996Reviewtomshardware.com/peripherals/gaming-keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review dated 21 February 2026: MSRP 249.99 USD, one colorway, available now.11Press articlepcgamer.com/hardware/gaming-keyboards/corsair-brings-hall-effect-to-its-dinky-enthusiast-gaming-keyboard-in-the-form-of-the-makr-pro-75Read 14 October 2026PC Gamer, 6 January 2026, announcement coverage: about 250 USD and 220 GBP. This matches the 249.99 USD of the maker page and the Tom's Hardware MSRP.

$119.991Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 20265Reviewtechradar.com/computing/keyboards/keychron-k3-he-reviewRead 14 October 2026Review published 2026-05-30 lists $119.99 and says the board is available now in black and white. The maker store shows the same price.

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.

From €249.994Maker product pagecorsair.com/uk/en/p/keyboards/ch-91ce21g-uk/makr-pro-75-hall-effect-diy-keyboard-uk-ch-91ce21g-ukRead 14 October 20265Maker product pagecorsair.com/de/de/p/keyboards/ch-91ce21g-de/makr-pro-75-hall-effect-diy-keyboard-de-ch-91ce21g-deRead 14 October 2026

Not available

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

US, GB, DE, FR1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026US store page in USD. The UK, German and French stores list their own SKUs in GBP and EUR.

Not available

ColoursiThe maker's own colour names

Eclipse2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: colorway Eclipse.

Black, White1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Black and White. The ISO layouts are sold in Black only.

Segment

Gaming1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Maker catalogue category is gaming keyboards. The CES release says it is purpose-built for gaming.

Gaming1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

Complete2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs list fitted keyswitches and PBT keycaps. The CES release says it ships fully assembled with switches, FR4 switch plate and keycaps.

Complete1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Layout

5 of 12 differ

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

75 %1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: compact 75% form factor.

75 %1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

ANSI, ISO1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: keyboard layout NA (North America) for this SKU. The UK SKU is ISO per the TechRadar review.7Reviewtechradar.com/computing/keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review spec table: layout 75 percent, UK ISO as tested.

ANSI, ISO1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Regional layouts

NA (North America), UK (UK), DE (Germany), FR (France), ND (Nordics)1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs of this SKU: NA (North America). The regional store pages list UK, DE, FR and ND layouts.

ANSI, ISO-Nordic, ISO-German, ISO-UK1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026ISO-Nordic is listed on the page as a pre-order that ships later than the other layouts.

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.

812Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Counted on the maker photo of the North America layout: 14 + 15 + 15 + 14 + 14 + 9 = 81 with the rotary dial outside the count. Not stated as a number by the maker.

843Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Specification page states number of keys 84. This is the ANSI count. ISO key count is not published.

Key legends for

Windows, macOS6Reviewtomshardware.com/peripherals/gaming-keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review: no Mac keys in the box, with Mac legends printed on the sides of the keycaps.

macOS, Windows1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Numpad

No2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Maker photo shows no numeric keypad on the 75 percent layout.

No1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Function row

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026FN shortcut table lists F1 to F12.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Dedicated arrow keys

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Maker photo shows four separate arrow keys.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

Full6Reviewtomshardware.com/peripherals/gaming-keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review: a line of navigation keys with Home, PgUp, PgDn and End. The maker photo shows the same four keys.

Compact1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Key stagger

Row-staggered2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Maker photo shows staggered typing rows.

Row-staggered1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Bottom row

Not available

Not available

Low profile

No6Reviewtomshardware.com/peripherals/gaming-keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review: double-shot PBT keycaps in an OEM profile, higher profile with sculpted rows. Not a low-profile board.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Switches

11 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.

Magnetic (Hall effect)1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: MGX Hyperdrive switches use Hall Effect sensors to register keypresses.

Magnetic (Hall effect)1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Page says the Ultra-Fast Lime low-profile magnetic switches are powered by Hall Effect sensing.

Switch feel

Linear2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026The quick start guide describes smooth, wobble-free magnetic switches without naming the feel. Tom's Hardware and TechRadar call them linear.6Reviewtomshardware.com/peripherals/gaming-keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review: MGX Hyperdrive magnetic switches are linear and pre-lubed.7Reviewtechradar.com/computing/keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review dated 13 June 2026: linear magnetic Hall effect MGX Hyperdrive switches. The tested unit was the UK ISO layout.

Linear6Reviewhlplanet.com/keychron-k3-he-reviewRead 14 October 2026Reviewer describes pre-lubed POM linear switches. The maker page does not name the feel.

Switch maker

CORSAIR1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: CORSAIR MGX Hyperdrive switches.

Keychron1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Switch models

CORSAIR MGX Hyperdrive1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: pre-installed CORSAIR MGX Hyperdrive switches. The tech specs row reads CORSAIR MGX V2.

Keychron Ultra-Fast Lime Low-Profile Magnetic Switch1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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.

Not available

Not available

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

Not available

Not available

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.

2mm2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Key Actuations: the default setting is 2.0 mm.

Not available

Total travel

4.1mm2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: 4.1 mm total travel.

Not available

Rated keystrokes

150million2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: guaranteed for 150 million keystrokes.

Not available

Factory-lubed switches

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: pre-lubricated keyswitches.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Page says the switches are pre-lubed.

Adjustable actuation

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: 0.1 to 4.0 mm actuation distance. Recommended range is 0.3 to 3.6 mm.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

Min0.1Max4mm2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: 0.1 to 4.0 mm actuation distance. The maker recommends 0.3 to 3.6 mm for accuracy.

Min0.2Max2.9mm1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Published as 0.2 to 2.9 mm. TechRadar reports 0.2 to 2.8 mm, the maker value is used.

Actuation stepiSmallest documented increment between selectable actuation settings.

0.1mm2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: actuation distance in 0.1 mm steps.

0.1mm1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Page says actuation points can be adjusted from 0.2 to 2.9 mm with 0.1 mm sensitivity.

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

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: MGX switches can have dynamically resetting actuation points. The quick start guide lets Web Hub and iCUE apply actuation to selected keys.2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Web Hub Key Actuations: select keys to adjust their actuation behavior. The hardware presets apply to all keys.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Page says each key can be customized.

Rapid trigger

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Highlights: CORSAIR MGX Hyperdrive switches with Rapid Trigger technology.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

Not available

0.1mm1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Spec table lists Rapid Trigger sensitivity 0.1 mm.

Multi-action keys

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Quick start guide: the Multi-Action Keys tab enables secondary actuation points.2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Web Hub Multi-Action Keys and iCUE Two Actions setting: a second actuation point per key.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Dynamic keystrokes, up to four actions per key by press depth.

SOCD handling

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Highlights: FlashTap SOCD handling. The maker name is FlashTap.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Last Key Priority (LKP) and Snap Click, both disabled by default.

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

Not available

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Analog Mode gives variable gamepad-style input. Listed as Gamepad Analog in the low-profile series comparison.

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

Magnetic1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: hotswap in your favorite compatible magnetic switches.

Magnetic1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Spec table: compatible with Keychron Ultra-Fast Lime Low-Profile magnetic switch only.

Compatible switches

Compatible magnetic switches1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: compatible magnetic switches.

Keychron Ultra-Fast Lime Low-Profile magnetic switch only1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Stabilizers

PCB screw-in1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Highlights: gasket mounting, screw-in stabilizers and 8-layer sound dampening. The surface the stabilizers screw into is not stated, so PCB screw-in is the nearest option.

Plate-mounted1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Spec table lists a plate-mounted stabilizer.

Factory-lubed stabilizers

No8Reviewigorslab.de/corsair-makr-75-pro-im-ueberblick-modulare-75-prozent-tastatur-mit-fokus-auf-anpassbarkeitRead 14 October 2026German review dated 3 April 2026 of the DE layout: the stabilizers are not lubricated at the factory and rattle or tick.

Not available

Keycaps

2 of 5 differ

Keycap material

PBT2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: keycaps PBT double shot.

PBT1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Legend method

Doubleshot2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: keycaps PBT double shot.

Doubleshot1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Keycap profile

OEM6Reviewtomshardware.com/peripherals/gaming-keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review: double-shot PBT keycaps in an OEM profile.

Low profile1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026LSA, low-profile spherical-angled keycaps.

Keycap thickness

Not available

Not available

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

Yes6Reviewtomshardware.com/peripherals/gaming-keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review: shine-through, double-shot PBT keycaps.7Reviewtechradar.com/computing/keyboards/corsair-makr-pro-75-reviewRead 14 October 2026Review: double-shot PBT, shine-through keycaps.

No1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Performance

7 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.

ACORSAIR MAKR PRO 75

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

Source1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: report rate up to 8,000Hz with AXON, adjustable in device settings. The 1000 Hz row is the factory setting reported by Tom's Hardware.2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: USB report rate up to 8,000Hz hyper-polling, adjustable in iCUE and Web Hub device settings.

BKeychron K3 HE

Connection	Polling rate (Hz)	Receiver or adapter
USB (wired)	1,000	Not available
2.4 GHz	1,000	Included Type-A 2.4 GHz receiver
Bluetooth	125	Not available

Source1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 20261000 Hz in wired and 2.4 GHz modes, 125 Hz over Bluetooth.

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.

Not available

Not available

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

ACORSAIR MAKR PRO 75

Rollover
NKRO

Source1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: key rollover full key (NKRO). No connection is named.

BKeychron K3 HE

Connection	Rollover
USB (wired)	NKRO
2.4 GHz	NKRO
Bluetooth	NKRO

Source1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Page lists N-key rollover as Yes for wireless and wired. Wireless covers both 2.4 GHz and Bluetooth.

Anti-ghosting

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: full key rollover (NKRO) with 100% anti-ghosting.

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

10 of 18 differ

Connections

USB (wired)1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: keyboard connectivity wired. The wireless module is an optional add-on sold separately.

USB (wired), 2.4 GHz, Bluetooth1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Wireless technology

Not available

Not available

Bluetooth

Not available

5.21Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Bluetooth device slots

Not available

31Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

Not available

Not available

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

Not available

Keys3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Fn+1, Fn+2 and Fn+3 select Bluetooth hosts.

Receiver connector

Not available

USB-A1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Receiver storage in keyboard

Not available

Not available

Receiver shared with other devices

Not available

Not available

Wireless range

Not available

10m3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Bluetooth operating distance within 10 meters in open space.

Detachable cable

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Package contents list a USB Type-C cable and the quick start guide calls it detachable.

Yes3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Charging and wired mode use a Type-C cable plugged into the keyboard port.

Port on keyboard

USB-C2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Getting to know your keyboard: USB Type-C port. The cable is USB Type-C to Type-A.

USB-C1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Cable plug

USB-A1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: wired connectivity USB Type-A.

USB-C6Reviewhlplanet.com/keychron-k3-he-reviewRead 14 October 2026Reviewer lists a USB-C cable plus USB-A-to-C and C-to-A adapters. The manual lists a Type-C cable and a Type-A to Type-C adapter.

Cable

Braided1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: keyboard cable material braided. The package contents list a braided USB Type-C cable. The quick start guide specification table says tangle-free rubber, so the maker documents differ.

Braided6Reviewhlplanet.com/keychron-k3-he-reviewRead 14 October 2026Reviewer describes a braided right-angled USB-C cable.

Cable length

1.8m2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: cable 1.8 m / 6 ft, USB Type-C to Type-A, detachable.

Not available

USB passthrough

Not available

Not available

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

Windows, macOS1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: PC or Mac, Windows 10 or macOS 10.15.

Windows, macOS, Linux1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Consoles

PlayStation, Xbox2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Setting up: Xbox One and Series X|S work out of the box. PlayStation 4 and 5 use a shortcut mode.

Not available

Battery

8 of 16 differ

Battery type

Not available

Li-Po1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

2,600mAh1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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.

ACORSAIR MAKR PRO 75

Not available

BKeychron K3 HE

Hours (h)
55

Source1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Published as up to 55 hours, lab test results may vary. Connection, lighting and polling rate 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

55h=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

Not available

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

Not available

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-C1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

Not available

228min3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Around 3.8 hours. Manual recommends 5 V 1 A or USB 3.0.

Quick charge

Not available

Not available

Use while charging

Not available

Yes3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Manual says the keyboard can be charged in 2.4GHz, cable and Bluetooth mode.

Solar charging

Not available

Not available

Battery indicator

Not available

LED3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Power indicator LED blinks red when low, stays red while charging and turns green when full. A Batt key is listed on layers 1 and 3.

Build

5 of 8 differ

Case material

Full aluminium top cover and bottom1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026The 100 percent aluminium housing is a headline feature. The quick start guide lists top cover and bottom as full aluminium. Tom's Hardware lists a plastic chassis with an anodized aluminum top plate in its table.

Aluminum and wood frame with ABS plastic bottom case1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Body material aluminum plus wood, bottom case ABS plastic.

Plate material

FR41Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: rigid FR4 switch plate.

Aluminium1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Mount style

Gasket1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: gasket mounting.

Tray1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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.

Plate foam, Switch pads, Silicone bottom, Foam, position not stated, Other1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Layer list: PU plate foam, transparent PET backing, IXPE switch foam, PET film, socket foam, PU pad foam, pad foam PET backing and silicon rubber pad. Stored as plate foam, switch pads and silicone bottom, foam for the remaining foam layers and other for the PET layers.

Case foam, Silicone bottom, Foam, position not stated, Other1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Sound-absorbing foam of unstated position, bottom case acoustic foam, silicone bottom pad and PET film. Foam of unstated position is stored as foam and PET film as other.

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.

Not available

2°, 4.5°, 7.5°1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Spec table angle 2, 4.5 and 7.5 degrees, feet height 2 mm.

Spill resistant

Not available

Not available

IP rating

Not available

Not available

Lighting

1 of 7 differ

Backlight

RGB per key2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: individually LED lit and per-key programmable, RGB.

RGB per key1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

LED position

Not available

North-facing1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

Not available

Not available

Lighting sensors

Not available

Not available

Lighting sync

Not available

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 pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: media and volume controls yes. Playback runs through Fn shortcuts and the rotary dial.

Fn layer3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Media functions sit on the F-row in the Mac layer and on the Fn layer for Windows.

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

02Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: media control by FN shortcuts and the rotary dial. The maker photo shows no separate media buttons. The dial press is excluded.

Not available

Volume control

Knob1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: the rotary dial controls volume, skips tracks and runs other customizable functions.

Not available

Knobs

11Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: one rotary dial. The LCD module replaces it.

03Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Keyboard overview lists no knob.

Programmable knob

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Rotary dial modes include iCUE custom actions and macro recording. Dial modes are chosen in Web Hub and iCUE.

Not available

Knob press

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Rotary dial function table lists a press action for each mode, such as mute and play or pause.

Not available

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

Not available

Not available

Built-in screen

None2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026The base keyboard has the rotary dial. The 1.3 inch LCD module is an optional add-on that replaces it.

Not available

Touchpad

Not available

Not available

Fingerprint reader

Not available

Not available

OS mode switch

Switch2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Getting to know your keyboard: WIN/MAC switch.

Switch3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Win/Android and Mac/iOS toggle on the left side.

Windows key lock

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: Win lock by Fn shortcut.

Not available

Software

6 of 10 differ

Software

CORSAIR Web Hub and iCUE1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Overview: CORSAIR Web Hub is the web-based interface. The quick start guide also covers iCUE.

Keychron Launcher1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Software runs on

Windows, macOS, Web1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Web Hub runs in the browser. iCUE platforms are in the quick start guide.

Web1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Open firmware

Not available

QMK1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Onboard memory

Yes1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: on-board memory 8MB.

Not available

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

51Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: onboard profiles 5.

Not available

Macros

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Macro recording in iCUE and Web Hub, or with Fn plus M.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Key Assignments tab remaps keys in Web Hub and iCUE.

Yes1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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

22Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Web Hub Key Assignments: keys are assigned in the Main layer or the FN layer.

43Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Four layers. Layers 0 and 1 for Mac, layers 2 and 3 for Windows.

User firmware updates

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026iCUE and Web Hub device settings: update the firmware.

Yes3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Firmware update through the Keychron Launcher web app in wired mode.

Ergonomics

0 of 4 differ

Wrist rest

None2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026No wrist rest in the package contents.

None3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026No wrist rest in the box list. A silicone palm rest is a separate accessory.

Wrist rest material

Not available

Not available

Tenting

Not available

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.

Width332Depth145Height50mm(13.1 × 5.7 × 2 in)2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: 332 (L) x 145 (W) x 50 (H) mm. No measuring condition given. TechRadar and Tom's Hardware print 330 x 142 x 47 mm.

Width318.62Depth126Height25.4Front height22mm(12.5 × 5 × 1 × 0.9 in)1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Size 318.62 x 126 mm. Front height 22.0 mm and back height 25.4 mm, both including keycaps. Back height is stored as height.

Dimensions with wrist rest

Not available

Not available

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.

1,282g(2.8 lb)1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: weight 1.282, read as kilograms. The quick start guide rounds it to 1.3 kg. Reviews print 1.282 kg. Cable and optional modules are not stated.2Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Tech specs: 1.3 kg, rounded. The product page value 1.282 kg is stored.

575g(1.3 lb)1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026Published as 575 g. The configuration is not stated.

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

Not available

Not available

Box dimensions

Not available

Not available

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

Not available

Not available

Certifications

None of 2 known

Platform certifications

Not available

Not available

Other certifications

Not available

Not available

In the box

2 of 3 differ

In the box

MAKR PRO 75 Hall Effect DIY keyboard, Braided USB Type-C cable, 2-in-1 Key Switch/Keycap puller, Screwdriver, L-shaped hex wrench, Extra gaskets and screws1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Package contents list is cut off on the page after replacement screw. The items before it are stored. Extra gaskets and screws come from the Tom's Hardware review.

1x Fully Assembled Keyboard, 1x Type-C Cable, 1x Type-A to Type-C Adapter, 1x Type-A 2.4GHz Receiver, 1x Extension Adapter For Receiver, 1x Keycap & Switch Puller, 1x Screwdriver3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026Fully assembled version package list.

Cables included

ACORSAIR MAKR PRO 75

Type	Count
USB Type-C to Type-A cable	1

Source1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Package contents: braided USB Type-C cable. The quick start guide and reviews call it a USB Type-C to Type-A cable.

BKeychron K3 HE

Type	Count
Type-C cable	1

Source3Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdfRead 14 October 2026

Spare switches

Not available

Not available

Links

Not compared

Product page

www.corsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-na1Maker product pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026

www.keychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboard1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

Spec sheet

www.corsair.com/us/en/explorer/gamer/keyboards/makr-pro-752Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026The technical specifications table is part of the same page.

Not available

Manual

www.corsair.com/us/en/explorer/gamer/keyboards/makr-pro-752Owner's manualcorsair.com/us/en/explorer/gamer/keyboards/makr-pro-75Read 14 October 2026Manual and quick start guide with the technical specifications table, the Web Hub and iCUE sections and the FN shortcut tables.

cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_HE_User_Manual.pdf1Maker product pagekeychron.com/products/keychron-k3-he-wireless-magnetic-switch-custom-keyboardRead 14 October 2026

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.

Not available

Not available

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 pagecorsair.com/us/en/p/keyboards/ch-91ce21g-na/makr-pro-75-hall-effect-diy-keyboard-ch-91ce21g-naRead 14 October 2026Tech specs: keyboard warranty 2 year. Local country regulations apply.

1year4Maker product pagehelp-center.keychron.com/en-us/article/360021443594-how-long-is-the-keyboard-warranty-forRead 14 October 202612 months global warranty.

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