Compare
Pick two boards from the directory and see how they differ.
Shaded rows are where they differ.
| Spec |  Keychron Keychron K3 Ultra 8K $110 “K3 Ultra 8K, from Keychron's store” |  Keychron Keychron K3 HE $120 “K3 HE, from Keychron's store” |
|---|---|---|
| Price , different | $110 | $120 |
| Size | 75% | 75% |
| Type | Pre-built | Pre-built |
| Connectivity | Wireless + Wired | Wireless + Wired |
| Released | 2026 | 2026 |
| Mounting | Tray Mount | Tray Mount |
| Case , different | Aluminum + Wood | Aluminum + Wood (per Keychron; HLPlanet reports an ABS shell) |
| Colors , different | Black, White, Black(ISO-German), Black(ISO-UK), Black(ISO-Nordic) | Black, White, Black (ISO-Nordic), Black (ISO-German), Black (ISO-UK) |
| Weight , different | 566 g +/- 10 g | 575 g |
| Dimensions , different | 320.62 x 126 mm | 318.62 x 126 mm |
| Typing angle | Not listed | Not listed |
| Front height | Not listed | Not listed |
| Switches , different | Low Profile | Hall Effect |
| Profile | Low Profile | Low Profile |
| Keycaps | LSA double-shot PBT keycaps, non-shine-through | LSA double-shot PBT keycaps, non-shine-through |
| PCB | Hot-swap | Hot-swap |
| Plates , different | Aluminum | Not listed |
| Battery , different | 2600 mAh, up to 550 hours | 2600 mAh, up to 55 hours |
| Compatible switches , different | Keychron low-profile | Keychron magnetic switches |
| Software , different | ZMK, Keychron Launcher | QMK, Keychron Launcher |
| NKRO | Yes | Yes |
| RGB , different | Yes | No |
| Features , different | 75% layout, Tri-mode, Hot-swap, ZMK, Low profile | 75% layout, Tri-mode, Hot-swap, QMK/VIA, Hall effect |
| Good for , different | Players and typists who want the best slim 75% on paper People who dislike charging often Travelers who want a premium low-profile board | Gamers who want a slim, portable Hall-effect keyboard Racing and FPS players using analog input Users who value a wood accent in a slim board |
| Skip if , different | QMK/VIA users who want to keep that firmware Buyers who need a standard-height board Anyone who wants to remap through desktop software only | Anyone who wants to swap in other switches Competitive players who need 8 kHz Buyers who would rather have a standard-height board |
| Pros , different | 8000 Hz polling and 2.4 GHz wireless (maker, Tom's Hardware) Battery rated up to 550 hours; Tom's Hardware found battery life exceptional Well-damped, tray-mounted with real wood accents (Tom's Hardware) Excellent Keychron-made switches, per Tom's Hardware Two-level flip-up feet and PBT keycaps | Rapid Trigger, analog input and multi-action (GameRevolution) Low profile with real rosewood and aluminum rails (HLPlanet) 2.4 GHz and Bluetooth, plus wired Good acoustic dampening for a slim board (GameRevolution) Good keycaps and accessory kit (HLPlanet) |
| Cons , different | Runs ZMK rather than QMK/VIA Software is online-only (Tom's Hardware) Rosewood finish is not the best (Tom's Hardware) Keycaps are good but not perfect (Tom's Hardware) Review listed an early crowdfunded unit; shipping versions may differ | Locked to Keychron's proprietary low-profile Hall-effect switches (HLPlanet) Polling capped at 1000 Hz (HLPlanet) Low-profile form is limiting if you want a standard board (GameRevolution) Battery rated at 55 hours, below the Ultra 8K and SE Case material is disputed: Keychron lists aluminum and wood, while HLPlanet describes an ABS shell with aluminum rails and rosewood panels |
| Research take , different | The standout slim 75%, according to Tom's Hardware. The firmware switch is the main catch. | A distinctive low-profile Hall-effect board with strong reviews. |