Epomaker DynaTab 75X vs Keychron B3 Pro Ultra-Slim
Keychron B3 Pro Ultra-Slim is the cheaper pick at $34.99, roughly 72% under Epomaker DynaTab 75X ($125.99). Epomaker DynaTab 75X ships hot-swap, making switch experimentation trivial versus a soldered build. The right pick comes down to which spec trade-offs fit your build — the pick-if grid below breaks that out in detail.
Detailed comparison
Spec-by-spec breakdown — differences highlighted in cyan.
| Spec | Epomaker DynaTab 75X | Keychron B3 Pro Ultra-Slim |
|---|---|---|
| Name | Epomaker DynaTab 75X | Keychron B3 Pro Ultra-Slim |
| Brand | EPOMAKER | Keychron |
| Price range | $125.99 | $34.99 |
| Community score | — | — |
| Form factor | 75% | 75% |
| Key count | 84 | 84 |
| Hot-swap | Yes | No |
| Supported switch pins | 3, 5 | 3, 5 |
| Case material | — | — |
| Plate material | — | — |
| Mounting style | — | — |
| Connectivity | 2.4GHz wireless (dongle) | Wired USB-C, Bluetooth (5.0+), 2.4GHz wireless (dongle) |
| RGB lighting | Yes | No |
| Layouts supported | ANSI | — |
| QMK support | No | No |
| VIA support | No | No |
| Weight (g) | — | — |
| Polling rate (Hz) | — | — |
Name
- Epomaker DynaTab 75X
- Epomaker DynaTab 75X
- Keychron B3 Pro Ultra-Slim
- Keychron B3 Pro Ultra-Slim
Brand
- Epomaker DynaTab 75X
- EPOMAKER
- Keychron B3 Pro Ultra-Slim
- Keychron
Price range
- Epomaker DynaTab 75X
- $125.99
Community score
Form factor
Key count
Hot-swap
Supported switch pins
Case material
Plate material
Mounting style
Connectivity
- Epomaker DynaTab 75X
- 2.4GHz wireless (dongle)
- Keychron B3 Pro Ultra-Slim
- Wired USB-C, Bluetooth (5.0+), 2.4GHz wireless (dongle)
RGB lighting
Layouts supported
QMK support
VIA support
Weight (g)
Polling rate (Hz)
Which should you buy?
Keychron B3 Pro Ultra-Slim is the cheaper pick at $34.99, roughly 72% under Epomaker DynaTab 75X ($125.99). Epomaker DynaTab 75X ships hot-swap, making switch experimentation trivial versus a soldered build. The right pick comes down to which spec trade-offs fit your build — the pick-if grid below breaks that out in detail.
Pick Epomaker DynaTab 75X if
From $125.99
- You plan to swap switches without soldering
- You want per-key RGB lighting
Pick Keychron B3 Pro Ultra-Slim if
From $34.99
- You're on a tighter budget
Also compared
Popular pairings that involve DynaTab 75X or Pro Ultra-Slim.