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Pick two boards from the directory and see how they differ.
Shaded rows are where they differ.
| Spec | Keychron Keychron Q1 Max $230 “The 2.4 GHz, Bluetooth and wired 75% Q” |  Keychron Keychron B3 Pro Ultra-Slim $35 “Ultra-slim 75% scissor board with Launcher remapping” |
|---|---|---|
| Price , different | $230 | $35 |
| Size | 75% | 75% |
| Type , different | Pre-built | Barebones |
| Connectivity | Wireless + Wired | Wireless + Wired |
| Released , different | 2023 | 2025 |
| Mounting , different | Gasket | Integrated Plate |
| Case , different | 6063 Aluminum | Not listed |
| Colors , different | — | Space Gray, Ivory White |
| Weight , different | 1.72kg (fully assembled) | 410 g / 0.90 lbs |
| Dimensions , different | 327.5 x 145mm | 296.8 x 127.5 mm |
| Typing angle , different | 5.2° | Not listed |
| Front height , different | 20.7mm | Not listed |
| Switches , different | Mechanical | Scissor |
| Profile | Standard | Standard |
| Keycaps , different | Double-shot PBT, KSA or OSA profile (fully assembled version) | ABS |
| PCB , different | Hot-swap, South-facing RGB | Fixed switches |
| Plates , different | PC | Not listed |
| Battery , different | 4000mAh (up to 180h, backlight off) | 800 mAh, up to 300 hours |
| Compatible switches , different | MX-style 3-pin and 5-pin | Fixed scissor switches (not replaceable) |
| Software , different | QMK, Keychron Launcher | Keychron Launcher |
| NKRO , different | Yes | No |
| RGB , different | Yes | No |
| Features , different | QMK/VIA, Hot-swap, Double Gasket Mount, Aluminum Case, 2.4GHz + Bluetooth 5.1, South-facing RGB, Screw-in Stabilizers, 1000Hz Polling (2.4GHz & wired) | 75% layout, Tri-mode |
| Good for , different | Typists who want a wireless 75% with a quiet, cushioned sound Users who want a low-latency dongle option without leaving the Q line People who like to open the board and adjust foam | Travel and office typists People who like to remap on a work PC without installing software |
| Skip if , different | Buyers who want a low-profile keycap shape or adjustable height Anyone who needs a travel keyboard People who want magnetic switches; the Q1 HE covers that | Gamers Anyone who needs backlighting or mechanical switches |
| Pros , different | Three connection modes: 2.4 GHz, Bluetooth 5.1 (three devices) and wired, with 1000 Hz on 2.4 GHz and wired Muffled sound with little case resonance from layered foam and a double-gasket design (AppleInsider) Thick aluminum shell that XDA Developers says will not move on the desk; Keychron lists 1,724 g PC plate, hot-swap sockets for 3-pin and 5-pin switches, QMK/VIA and a knob Gateron Jupiter Red, Brown or Banana switches come pre-installed on the assembled version 4000 mAh battery, rated up to 180 hours by Keychron | Quiet, quick scissor keys (Parka Blogs) Remapping in the browser with Keychron Launcher, no driver install Tri-mode with 1000Hz over 2.4GHz and wired; 410 g (Keychron) 75% layout with Mac and Windows legends |
| Cons , different | No adjustable feet; the angle is fixed at 5.2 degrees (AppleInsider) Wirecutter criticises the tall keycaps and the steep, non-adjustable case slope Keychron's 1000 Hz rating applies to 2.4 GHz and wired; the sibling Q1 HE drops to 90 Hz on Bluetooth (Tom's Guide) Heavy at about 1.7 kg, so not a portable 75% Wirecutter notes it costs more than its own upgrade pick, and AppleInsider's headline calls it costly | No backlight No right Ctrl and some Ctrl+Alt+Shift shortcuts did not work for Parka Blogs Fixed scissor keys, no hot-swap |
| Research take , different | The most complete mechanical 75% in the Q line: reviewers praised the build, the sound and the 2.4 GHz option. The tall caps and fixed slope are the recurring complaints, so a wrist rest is worth budgeting for. | A good small office keyboard backed by one detailed review. Pick it over the B1 Pro if you want Launcher; pick the B1 Pro for ZMK. |