Keychron B4 Pro
KeychronReleased 2025
B4 Pro
66/100
96% ANSI1,000 Hz pollingHot-swappableHall-effectQMK / VIAWireless
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Why we rate it
- Class-leading productivity (85/100)
- Strong portability (73/100)
- Hot-swappable switches
- First-class QMK / VIA firmware
- Customisability is the weak point (52/100)
- ABS case rather than metal
Score profile
Six weighted axes · the shape tells the storyWhere the B4 Pro wins and loses
Full specification
Grouped · supported features marked in blueSpecifications
Layout
Layout size96
StandardANSI
ProfileLow
ErgonomicsNormal
Volume knobYes
OLED / LCD screenYes
Switches & feel
Switch typesLinear · Tactile · Clicky
Hot-swappableYes
Screw-in stabilisersYes
Sound dampeningYes
Hall-effect / magneticYes
Rapid triggerYes
Connectivity & firmware
ConnectionWireless + wired
USB-CYes
Polling rate1,000 Hz
Battery800 mAh
N-key rolloverYes
QMKYes
VIAYes
VIALYes
Mac & WindowsYes
Multi-media keysYes
Build
Case materialABS
Keycap materialABS
BacklightYes
ColourwaysYes
Dimensions-1
Weight495 g
More specs
Height Mm1 mm
Low ProfileYes
Passthrough UsbYes
Head to head
Highlighted cell = better in that rowB4 Pro vs SteelSeries Apex Pro Mini
B4 ProApex Pro Mini
| KeychronB4 ProThis page | SteelSeriesApex Pro Mini | |
|---|---|---|
| Overall score | 66 /100 | 66 /100 |
| Build quality | 66 /100Better | 56 /100 |
| Performance | 56 /100Better | 54 /100 |
| Connection | Wireless + wired | Wireless |
| Polling rate | 1,000 Hz | — |
| Mount type | — | — |
| Case material | ABS | MetalBetter |
| Hot-swappable | Yes | Yes |
| QMK / VIA | Yes | Yes |
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