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Head to head · Prices checked Nov 11, 2026

Akko 5108S vs Keychron B4 Pro

Get the Akko 5108S for hot-swappable.

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Quick verdict

Which one should you get?

Get the

Akko 5108S

Hot-swappable

Build quality in the bottom 50% of 100% boards under $100.

Get the

Keychron B4 Pro

Build quality in the bottom 10% of 96% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Akko 5108S

Keychron B4 Pro

  • Layout size

    100%

    96%

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Low profile

    No

    Yes

  • Case material

    Aluminum

    ABS

KeebFinder scores

How we score
  • Akko 5108S
  • Keychron B4 Pro
Performance
76
51
Build quality
58
43
Productivity
67
71
Customizability
62
43
Portability
46
52
See every spec side by side

Full specs

Akko 5108S vs Keychron B4 Pro specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

11 of 20 specs differ

Akko 5108S

Keychron B4 Pro

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
No

Low profile

No
Yes

Layout

Layout size

100%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

Wired only
800 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS

Keycaps

PBT
ABS

Weight

1,200 g
495 g

Dimensions

41 x 442 x 132 mm
-1 x -1 x -1 mm

Typing angle

—
3°

Backlight

RGB
None

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2023
2025

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

Akko 5108S2 stores

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