Keyboards / Compare

Keychron K2 Ultra 8K vs NuPhy Node75 Low-Profile

A

Product A: Keychron

K2 Ultra 8K

90 of 164 known

Change Keychron K2 Ultra 8K

Compare the NuPhy Node75 Low-Profile with

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B

Product B: NuPhy

Node75 Low-Profile

78 of 164 known

Change NuPhy Node75 Low-Profile

Compare the Keychron K2 Ultra 8K with

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All 164 fields

Every value links to where we found it.

Only differences

AKeychron K2 Ultra 8K

BNuPhy Node75 Low-Profile

General

5 of 9 differ

Series

K Ultra2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026The page lists the keyboard under the K Ultra series.

Node1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Page title and spec blocks: Node series, Node75 and Node100.

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

K2U-J1, K2U-J3, K2U-J41Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 14 October 2026Global/US store variants: K2U-J1 Fully Assembled Black Apex Red, K2U-J3 Brown, K2U-J4 Banana. Regional ISO and other layouts are not included.

Keyboard Node75(White/Red Nano), Keyboard Node75(White/Blush Nano), Keyboard Node75(White/Brown Nano), Keyboard Node75(Gray/Red Nano), Keyboard Node75(Gray/Blush Nano), Keyboard Node75(Gray/Brown Nano), Keyboard Node75(Pink/Red Nano), Keyboard Node75(Pink/Blush Nano), Keyboard Node75(Pink/Brown Nano)2Maker product pagepay.nuphy.com/products/nuphy-node75-low-profile-wireless-mechanical-keyboardRead 23 October 2026Variant SKUs for the ANSI-US English layout: Keyboard Node75(White/Red Nano), White/Blush Nano, White/Brown Nano, Gray/..., Pink/... Each colour has three switches.

GTIN / EAN

4894979058003, 4894979058010, 48949790580271Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 14 October 2026Barcodes of the three variants in the product data.

Not available

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

Not available

17 October 20255Press articlenotebookcheck.net/Retro-design-meets-Apple-Touch-Bar-in-a-wireless-mechanical-keyboard-with-1000-hour-battery-NuPhy-reveals-Node75.1140271.0.htmlRead 23 October 2026Notebookcheck news of 17 October 2025: NuPhy revealed the Node75.

Status

Available7Reviewtechradar.com/computing/keyboards/keychron-k2-ultra-8k-reviewRead 14 October 2026Review says the keyboard is available now at 119.99 USD.

Available1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 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.

$119.992Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Global/US store price 119.99 USD, shown without tax. The same launch price is in the launch report.

$99.952Maker product pagepay.nuphy.com/products/nuphy-node75-low-profile-wireless-mechanical-keyboardRead 23 October 2026Page price for the ANSI layout is 99.95 USD. ISO and JIS layouts are 109.95 USD. The launch price comes from Notebookcheck.5Press articlenotebookcheck.net/Retro-design-meets-Apple-Touch-Bar-in-a-wireless-mechanical-keyboard-with-1000-hour-battery-NuPhy-reveals-Node75.1140271.0.htmlRead 23 October 2026Launch price 99.95 USD at pre-order. The US store price. Tax treatment is not stated and US prices are normally without sales tax.

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.

Not available

Not available

ColoursiThe maker's own colour names

Black1Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 14 October 2026

Lunar White, Ink Gray, Light Pink2Maker product pagepay.nuphy.com/products/nuphy-node75-low-profile-wireless-mechanical-keyboardRead 23 October 2026Colour options on the page: Lunar White, Ink Gray and Light Pink. Light Pink is sold out in the ANSI layout.

Segment

Enthusiast2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Maker sells it as a wireless custom mechanical keyboard for work, typing and gaming.

Portable6Reviewtomsguide.com/computing/keyboards/nuphy-node75-reviewRead 23 October 2026Review: flip-out feet that sit over a MacBook keyboard and a light 659 g board that travels in a bag. NuPhy markets the low-profile variants for productivity on the go. This is a judgment, the maker names no segment.

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

Complete1Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 14 October 2026Only a Fully Assembled type is sold. Switches and PBT keycaps are fitted.

Complete1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026In the box heading says PRE-BUILT KEYBOARD.

Layout

3 of 12 differ

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

75 %2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Maker states a 75% compact layout.

75 %1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs, Node75: Layout ANSI 75%.

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

ANSI2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Product tags list Standard ANSI. The Global/US reference product is the only one stored.

ANSI1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Scope is the ANSI layout. The maker also sells ISO German, ISO British, ISO French and JIS layouts at 109.95 USD. They are not stored because their weight and size are not published.

Regional layouts

US ANSI2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Global/US store product with ANSI layout. The maker names it US ANSI Layout on its regional stores.

ANSI-US English1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 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.

846Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Specifications page says number of keys 84. The default layout pages show the same 84 positions, including the right-hand Home, End, Page Up and Page Down column.

841Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs, Node75: Number of Keys 84.

Key legends for

macOS, Windows2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026The page says the keyboard comes with keycaps for both Windows and macOS.

Not available

Numpad

No6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Layout pages show no number pad.

No1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Overview: the Node100 is the one with the numpad. The Node75 is 75%.

Function row

Yes6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Layout pages show F1 to F12.

Yes1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Overview: the F-row is intact on the Node75.

Dedicated arrow keys

Yes6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Layout pages show four arrow keys.

Yes1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Maker render shows arrow keys. The maker says renderings are not exact.

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

Compact6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Layout pages show dedicated Page Up, Page Down, Home and End keys in a right-hand column.

Compact1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Maker render and the quick guide drawing show a column of Home, End, Page Up and Page Down keys at the right edge. The maker says renderings are not exact.

Key stagger

Row-staggered6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Layout pages show staggered rows.

Row-staggered1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Maker render shows the standard row-staggered layout.

Bottom row

Not available

Not available

Low profile

No1Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 14 October 2026Product tags list Profile Normal Profile.

Yes1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Product name: Node75 Low-profile. Tech Specs: Switch Type Low-Profile.

Switches

14 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.

Mechanical6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Specifications page says switch type Mechanical.

Low-profile mechanical1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: Switch Type Low-Profile. The switches are Gateron mechanical low-profile Nano switches, see the switch page. Stored as low_profile_mechanical.

Switch feel

Linear, Tactile3Maker product pagekeychron.com/cdn/shop/files/Keychron-K2-Ultra-8K-Switches-Specification.jpgRead 14 October 2026Apex Red is Linear. Apex Brown is Soft Tactile and Apex Banana is Tactile. Both are stored as tactile.

Linear, Tactile, Silent linear3Maker 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. Tom's Guide calls Blush the silent switch.6Reviewtomsguide.com/computing/keyboards/nuphy-node75-reviewRead 23 October 2026Review: red is linear, brown is tactile and Blush is the silent switch.

Switch maker

Keychron2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Keychron Apex Switch.

Gateron3Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026Gateron low-profile 3.0 switches. Tom's Guide: Gateron x NuPhy Nano switches.

Switch models

Apex Red, Apex Brown, Apex Banana2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Keychron Apex Switch in Red, Brown and Banana. Short names Apex Red, Apex Brown and Apex Banana are stored.

Red nano, Brown nano, Blush nano3Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026Names as sold on the keyboard: Red nano, Brown nano, Blush nano.

Switch stem

MX cross4Maker product pagekeychron.com/cdn/shop/files/keychron-K2-ultra-switch-details.jpgRead 14 October 2026Switch diagram labels a POM MX stem.

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.

45 to 55gf1Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 14 October 20263Maker product pagekeychron.com/cdn/shop/files/Keychron-K2-Ultra-8K-Switches-Specification.jpgRead 14 October 2026

42 to 50gf2Maker product pagepay.nuphy.com/products/nuphy-node75-low-profile-wireless-mechanical-keyboardRead 23 October 20263Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 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-node75-low-profile-wireless-mechanical-keyboardRead 23 October 20263Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 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.

2mm3Maker product pagekeychron.com/cdn/shop/files/Keychron-K2-Ultra-8K-Switches-Specification.jpgRead 14 October 2026Pre-travel 2.0 plus or minus 0.5 mm for all three switches. This is a fixed mechanical pre-travel, not an adjustable setting.

1.7mm3Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026Pre-travel 1.7 +/- 0.4 mm for the Red, Brown and Blush blocks. Stored as the actuation point.

Total travel

3.6 to 4mm1Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard.jsRead 14 October 20263Maker product pagekeychron.com/cdn/shop/files/Keychron-K2-Ultra-8K-Switches-Specification.jpgRead 14 October 2026

3.2 to 3.5mm2Maker product pagepay.nuphy.com/products/nuphy-node75-low-profile-wireless-mechanical-keyboardRead 23 October 20263Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026

Rated keystrokes

Not available

Not available

Factory-lubed switches

Yes3Maker product pagekeychron.com/cdn/shop/files/Keychron-K2-Ultra-8K-Switches-Specification.jpgRead 14 October 2026The graphic marks all three Apex switches as pre-lubed.

Yes3Maker product pagepay.nuphy.com/collections/all-1/products/gateron-low-profile-3-0-switchesRead 23 October 2026Each switch block lists factory lube.

Adjustable actuation

Not available

Not available

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

Not available

Not available

Actuation stepiSmallest documented increment between selectable actuation settings.

Not available

Not available

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

Not available

Not available

Rapid trigger

No8Reviewgamerevolution.comRead 14 October 2026Review says rapid trigger is not supported because the board uses conventional switches.

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

Not available

Not available

SOCD handling

Yes7Reviewtechradar.com/computing/keyboards/keychron-k2-ultra-8k-reviewRead 14 October 2026Review lists a SOCD function with first-pressed priority, chosen-key priority or both cancel. It handles two simultaneous keys and is not analog gamepad output.

Not available

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

Not available

Not available

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

5-pin2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table says hot-swappable. The Apex switch diagram says 5-pin switch. Support for 3-pin switches is not stated for this model.

3-pin1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: Hot-swappable Support Yes. Tom's Guide says the low-profile board accepts 3-pin north-facing low-profile switches, stored as 3_pin.6Reviewtomsguide.com/computing/keyboards/nuphy-node75-reviewRead 23 October 2026Review: the low-profile variant accepts 3-pin north-facing low-profile switches.

Compatible switches

Not available

3-pin north-facing low-profile switches6Reviewtomsguide.com/computing/keyboards/nuphy-node75-reviewRead 23 October 2026Review: the low-profile variant accepts 3-pin north-facing low-profile switches.

Stabilizers

PCB screw-in2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists Screw-in PCB Stabilizer.

Plate-mounted1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: Stabilizer Type Plate Mounted.

Factory-lubed stabilizers

Not available

Not available

Keycaps

2 of 5 differ

Keycap material

PBT2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists OSA Double-Shot PBT keycaps.

PBT6Reviewtomsguide.com/computing/keyboards/nuphy-node75-reviewRead 23 October 2026Review: the keycaps are double-shot PBT. The spec table says Double-shot PBT.

Legend method

Doubleshot2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Double-shot PBT keycaps.

Doubleshot1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: Keycap Double-shot nSA. KitGuru calls the Node100 low-profile legends dye-sublimated. The maker wording is stored.

Keycap profile

OSA2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table and product tags list OSA profile.

Low profile1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: Keycap Double-shot nSA. nSA is NuPhy's low-profile keycap profile, stored as low_profile.

Keycap thickness

Not available

Not available

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

No2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Page says the keycaps are non-shine-through PBT.

Not available

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.

AKeychron K2 Ultra 8K

Connection	Polling rate (Hz)	Receiver or adapter
USB (wired)	8,000	Not available
2.4 GHz	8,000	Included Type-A 2.4 GHz receiver
Bluetooth	125	Not available

Source2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists 8000 Hz for wired and 2.4 GHz and 125 Hz for Bluetooth. The manual says the default is 1000 Hz for wired and 2.4 GHz and that the rate is changed in the Launcher. Only the maximum per connection is stored.

BNuPhy Node75 Low-Profile

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

Source1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: 2.4GHz 1000 Hz, wired 1000 Hz, Bluetooth 5.0 125 Hz. The 2.4G receiver is in the box.

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)

8,000Hz=CalculatedFrom Polling rate per connection

1,000Hz=CalculatedFrom Polling rate per connection

Polling rate (Bluetooth)

125Hz=CalculatedFrom Polling rate per connection

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.

AKeychron K2 Ultra 8K

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

Source2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists N-key rollover for wireless and wired. Bluetooth is a wireless mode.

BNuPhy Node75 Low-Profile

Rollover
NKRO

Source1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: N-key Rollover Support Yes. Not split by connection.

Anti-ghosting

Not available

Not available

Adjustable debounce

Yes7Reviewtechradar.com/computing/keyboards/keychron-k2-ultra-8k-reviewRead 14 October 2026Review says press and reset debounce have separate sliders from 10 to 50 ms in 1 ms steps.

Not available

Minimum debounce

10ms7Reviewtechradar.com/computing/keyboards/keychron-k2-ultra-8k-reviewRead 14 October 2026Lowest selectable value is 10 ms in the Launcher. It is not a measured latency.

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

5 of 18 differ

Connections

USB (wired), 2.4 GHz, Bluetooth2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists 2.4 GHz, Bluetooth 5.2 and Type-C wired.

USB (wired), 2.4 GHz, Bluetooth1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: Mode 2.4GHz, Wired (USB-C) or Bluetooth 5.0.

Wireless technology

Not available

Not available

Bluetooth

5.22Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists Bluetooth 5.2.

5.01Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: Bluetooth 5.0.

Bluetooth device slots

36Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Page 18 says up to 3 devices through Fn+1, Fn+2 and Fn+3.

34Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Section 01: FN + 1, 2, 3 select Bluetooth 1, 2 and 3. FN + 4 selects 2.4GHz. Long press for 3 seconds to pair.

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

Not available

44Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Section 01: three Bluetooth slots plus the 2.4GHz receiver give four connections. Tom's Guide spec table says paired devices max 4.6Reviewtomsguide.com/computing/keyboards/nuphy-node75-reviewRead 23 October 2026Spec table: Paired devices max 4.

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

Keys6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026A short press of Fn+1, Fn+2 or Fn+3 switches Bluetooth host. The side toggle chooses the connection mode.

Keys4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Section 01: FN + number keys switch between devices.

Receiver connector

USB-A6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026The box holds a Type-A 2.4 GHz receiver and an extension adapter.

Not available

Receiver storage in keyboard

Not available

Not available

Receiver shared with other devices

Not available

Not available

Wireless range

10m6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Specifications page says Bluetooth operating distance within 10 meters in open space. It is not a 2.4 GHz guarantee.

Not available

Detachable cable

Yes6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026A Type-C cable plugs into the keyboard port.

Yes1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Box list: a USB-C to USB-C cable for the keyboard's USB-C port.

Port on keyboard

USB-C6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Type-C port on the keyboard.

USB-C1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: Wired (USB-C).

Cable plug

USB-C6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026The box holds a Type-C cable and a separate Type-A to Type-C adapter. The cable end that goes to the computer is Type-C.

USB-C1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Box list: USB-C to USB-C cable, so the plug at the computer end is USB-C. A USB-C to USB-A adapter is also included.

Cable

Not available

Not available

Cable length

Not available

Not available

USB passthrough

Not available

Not available

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

macOS, Windows, Linux, iOS, Android2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists macOS, Windows and Linux. The manual also names iOS and Android modes.

Windows, macOS, Linux, Android, iOS1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: macOS, Windows, Android and iOS. Linux is added from the Tom's Guide spec table.6Reviewtomsguide.com/computing/keyboards/nuphy-node75-reviewRead 23 October 2026Spec table: Operating system macOS, Windows, Linux.

Consoles

Not available

Not available

Battery

9 of 16 differ

Battery type

Li-Po2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists a rechargeable lithium polymer battery.

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

4,000mAh2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists 4000 mAh.

3,000mAh1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs, low-profile Node75: Battery Capacity 3000mAh. Tom's Guide prints 4,000 mAh, which is the high-profile figure.

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.

AKeychron K2 Ultra 8K

Connection	Lighting	Polling rate (Hz)	Hours (h)
2.4 GHz	Off	8,000	760
2.4 GHz	On	8,000	225

Source2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table says up to 760 hours at 8K with the backlight off and up to 225 hours at 8K with the lowest RGB brightness. The short description calls the 760 hours wireless 8K mode, so both rows use 2.4 GHz. Firmware version and workload are not stated.

BNuPhy Node75 Low-Profile

Lighting	Hours (h)
Off	1,000
On	100

Source1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: all lights on 60~100 hours, all lights off up to 1000 hours, both lab test results. The up-to value 100 hours is stored for lights on and the 60 hour low end is not. Connection and brightness are not stated. Notebookcheck says the 1000 hours is over Bluetooth.

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.

760h=CalculatedFrom Battery life per mode (claimed)

1,000h=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.

760h=CalculatedFrom Battery life per mode (claimed)

1,000h=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.

225h=CalculatedFrom Battery life per mode (claimed)

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

USB-C6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Specifications page says charging port Type-C.

Not available

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

300min6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Around 5 hours. This is an approximate maker figure. Charging is up to 5 V and 1 A.

Not available

Quick charge

Not available

Not available

Use while charging

Yes6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Page 17 says the keyboard can be charged in 2.4 GHz, cable and Bluetooth mode.

Not available

Solar charging

Not available

Not available

Battery indicator

LED6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Power indicator LED shows low power in blinking red, charging in static red and full in static green. The Batt key does not say how it shows the level, so no key lighting is assumed.

LED4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Dot Matrix section: the dot matrix LEDs show battery level in five steps from 1 to 100 percent.

Build

5 of 8 differ

Case material

CNC aluminum frame and ABS bottom case2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists body material CNC aluminum plus ABS and a bottom case material of ABS.

ABS top and bottom case1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs, Materials: Top Case ABS, Bottom Case ABS.

Plate material

Steel2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists a steel plate.

Polycarbonate1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs, Materials: Plate Material PC.

Mount style

Tray8Reviewgamerevolution.comRead 14 October 2026Review describes a tray-mounted steel plate. Keychron does not state the mount style.

Gasket1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 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.

Silicone bottom, Foam, position not stated, Other2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026The page lists EVA foam, IXPE foam with PET film, EPDM foam, a bottom case PET film and a silicone bottom pad. Only the silicone pad has an exact option. The foams are stored as foam because their position is not stated. The PET films are other.

Not available

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

4°, 8°, 11°1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: Type Angle 4/8/11 degrees.

Spill resistant

Not available

Not available

IP rating

Not available

Not available

Lighting

1 of 7 differ

Backlight

RGB per key2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Page describes Per-key RGB and a Mix RGB mode with two lighting zones.

RGB per key1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: North-facing RGB-LED, 20 backlight modes. Per-key lighting comes from Tom's Guide.6Reviewtomsguide.com/computing/keyboards/nuphy-node75-reviewRead 23 October 2026Spec table: Backlighting Per-key RGB.

LED position

South-facing2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists south-facing RGB LED.

North-facing1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: North-facing RGB-LED.

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

3 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 layer6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Mac layer has playback keys on the top row. The Windows layer reaches them through Fn. These share function positions with other keys.

Multifunction control4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Section 04: double tap mutes and triple tap skips to the next track on the touch bar. Play and pause are not listed.

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

Not available

01Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Media control is the touch bar. No separate media buttons are named on the page.

Volume control

Keys6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Volume keys on the function row. There is no knob.

Touch slider4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Section 04 Touch Bar Functions: slide for volume down and up.

Knobs

06Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026The overview page and layouts show no rotary control.

01Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026The Node75 has a touch bar and no knob. The page FAQ is about the touch bar and the overview names no knob.

Programmable knob

Not available

Not available

Knob press

Not available

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

Not available

Not available

Touchpad

Not available

Not available

Fingerprint reader

Not available

Not available

OS mode switch

Switch6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Side toggle Win/Android and Mac/iOS.

Switch4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Section 02: System Selection slide switch with Win mode and Mac mode.

Windows key lock

Not available

Not available

Software

4 of 10 differ

Software

Keychron Launcher2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026The page names the Keychron Launcher web app.

NuPhyIO1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Page FAQ: How do I customize the touch bar functions. The software is NuPhyIO, named in the other sources.

Software runs on

Web2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Launcher is a web app. It needs a current Chrome, Edge or Opera browser and a wired connection.

Web5Press articlenotebookcheck.net/Retro-design-meets-Apple-Touch-Bar-in-a-wireless-mechanical-keyboard-with-1000-hour-battery-NuPhy-reveals-Node75.1140271.0.htmlRead 23 October 2026NuPhyIO is the company's web-based customisation suite.

Open firmware

ZMK2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Page states open-source ZMK firmware.

Not available

Onboard memory

Yes6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Page 8 says four layers of key settings are on the keyboard. No profile-slot count is given.

Not available

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

Not available

Not available

Macros

Yes2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Page says macros are created in the Launcher.

Yes4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Section 11 points to NuPhyIO. Notebookcheck says NuPhyIO has macro creation.5Press articlenotebookcheck.net/Retro-design-meets-Apple-Touch-Bar-in-a-wireless-mechanical-keyboard-with-1000-hour-battery-NuPhy-reveals-Node75.1140271.0.htmlRead 23 October 2026NuPhyIO allows macro creation.

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

Yes2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Page says each key can be remapped in the Launcher.

Yes5Press articlenotebookcheck.net/Retro-design-meets-Apple-Touch-Bar-in-a-wireless-mechanical-keyboard-with-1000-hour-battery-NuPhy-reveals-Node75.1140271.0.htmlRead 23 October 2026NuPhyIO allows key remapping and remapping of the touch bar.

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

46Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Page 8 says four layers. Layers 0 and 1 are for Mac and layers 2 and 3 for Windows.

44Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Section 11: 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

Yes6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026Page 9 describes a firmware update through the Keychron Launcher in wired mode.

Not available

Ergonomics

0 of 4 differ

Wrist rest

None7Reviewtechradar.com/computing/keyboards/keychron-k2-ultra-8k-reviewRead 14 October 2026Review says no wrist rest is included.

None1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026The Node Wrist Rest is a separate paid add-on and not in the box.

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.

Width311.5Depth121.54mm(12.3 × 4.8 in)2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists 311.50 x 121.54 mm. Front height 22.85 mm and back height 31.20 mm exclude keycaps, so no fitted height is stored.

Width317.1Depth137.1Front height13.2mm(12.5 × 5.4 × 0.5 in)1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: 317.1 mm x 137.1 mm x 13.2 mm for the ANSI board. The 13.2 mm is read as the front thickness, as on the Air75 V3. Green-Keys prints 14 mm. KitGuru names a 13.8 mm front height for the Node100 low-profile.

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.

1,084g(2.4 lb)2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026Specs table lists 1084 g plus or minus 10 g.

659g(1.5 lb)1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Tech Specs: 659 grams (1.45 pound). Tom's Guide gives 1.45 lb. GadReview prints 667 g.8Reviewgreen-keys.info/en/nuphy-node-series-review%EF%BD%9Can-entry-level-but-sophisticated-75-and-96-size-keyboardRead 23 October 2026Review spec table: 659 g for the low-profile Node75, 827 g for the high-profile.

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

K2 Ultra 8K wireless mechanical keyboard, Type-C cable, Type-A to Type-C adapter, Keycap and switch puller, Screwdriver, Hex key, Type-A 2.4 GHz receiver, Extension adapter for receiver, Extra keycaps set, Manual, Quick Start Guide5Maker product pagekeychron.com/cdn/shop/files/Keychron-K2-Ultra-8K-Inbox_293d4512-8928-430b-acae-a15c3c2eb762.jpgRead 14 October 2026Box graphic lists the keyboard, Type-C cable, Type-A to Type-C adapter, 2.4 GHz receiver, extension adapter, keycap and switch puller, screwdriver and hex key. The manual adds the extra keycap set, manual and quick start guide. The manual does not list the screwdriver and hex key.

Node75/100 Low-Profile Keyboard, 2.4G Receiver, USB-C to USB-C Cable, USB-C to USB-A adapter, Keycap/Switch Puller, Extra Keycaps (6 for ANSI-US), Quick Start Guide (FAQ & Instructions) Download1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026In the box list. Extra keycaps by layout: ANSI-US 6, JIS 6, ISO-DE 6, ISO-UK 13, ISO-FR 23.

Cables included

AKeychron K2 Ultra 8K

Type	Count
Type-C cable	1

Source5Maker product pagekeychron.com/cdn/shop/files/Keychron-K2-Ultra-8K-Inbox_293d4512-8928-430b-acae-a15c3c2eb762.jpgRead 14 October 2026One Type-C cable. The Type-A to Type-C adapter is not a cable.

BNuPhy Node75 Low-Profile

Type	Count
USB-C to USB-C Cable	1

Source1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026Box list: 1 x USB-C to USB-C Cable and a USB-C to USB-A adapter.

Spare switches

Not available

Not available

Links

Not compared

Product page

www.keychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard2Maker product pagekeychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboardRead 14 October 2026

nuphy.com/products/nuphy-node-series-low-profile1Maker product pagenuphy.com/products/nuphy-node-series-low-profileRead 23 October 2026The long Node75 low-profile URL redirects to this Node series page. Read in Chrome because curl and WebFetch hit a Vercel security checkpoint.

Spec sheet

Not available

Not available

Manual

cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdf6Owner's manualcdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdfRead 14 October 2026

cdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdf4Owner's manualcdn.shopify.com/s/files/1/0268/7297/1373/files/NuPhy_Node75-LP_260225.pdfRead 23 October 2026Quick Start Guide for the Node75 Low-Profile, linked from the in the box section. The text is outlined, so it was read from the page images.

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

0 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.

1year10Maker product pagekeychron.com/pages/warrantyRead 14 October 2026Global store warranty is twelve months unless purchase documents say otherwise. Regional terms and local law can differ. The quick start guide says defective parts are replaced rather than the whole keyboard.

1year2Maker product pagepay.nuphy.com/products/nuphy-node75-low-profile-wireless-mechanical-keyboardRead 23 October 2026Page: 1-year limited warranty. The page does not name a market.

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