Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 11, 2026

Epomaker QK108 vs Keychron K4 V3

Get the Epomaker QK108 for the 8,000 mAh battery.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Epomaker QK108

Battery

Build quality in the top 15% of 100% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Keychron K4 V3

Build quality in the top 5% of 96% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • 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.

Epomaker QK108

Keychron K4 V3

  • Layout size

    100%

    96%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS

    Aluminum, Plastic

  • Switch options

    Linear, Silent, Tactile

    Clicky, Linear, Tactile

KeebFinder scores

How we score
  • Epomaker QK108
  • Keychron K4 V3
Performance
81
82
Build quality
75
87
Productivity
88
95
Customizability
81
96
Portability
62
54

What they share

  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • VIA
  • Sound dampening
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Epomaker QK108

3.6

9 owner reviews

Praise
“A nice Full sized mechanical keyboard under 100$ is a good deal and it's type experience is really good.”
Himanshu K.Verified buyer· via Epomaker
Critique
“Working so I sent it to place to fix it and they quoted me something crazy but the other keyboard I ordered still works I do not understand why it stopped working”
victoria l.Verified buyer· via Epomaker

Keychron K4 V3

5.0

4 owner reviews

Praise
“I am overall extremely impressed with this keyboard! I upgraded from a Corsair K70 Luxe that I had for many years, and this feels like miles better of an experience. I am impressed how good the Banana switches are, they are a little more tactile than the…”
Nick M.Verified buyer· via Keychron

Full specs

Epomaker QK108 vs Keychron K4 V3 specs

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

14 of 27 specs differ

Epomaker QK108

Keychron K4 V3

Typing & switches

Switch options

Linear, Silent, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

100%
96%

Layout standard

ANSI
ANSI, ISO, ISO-CH, ISO-DE, ISO-Nordic, ISO-UK

Ergonomics

Standard
Standard

Knob

Yes
No

Display

LED
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

1,000 Hz
1,000 Hz

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum, Plastic

Plate material

Polycarbonate
—

Keycaps

PBT
PBT, PC

Weight

1,180 g
—

Dimensions

43 x 439 x 139 mm
—

Typing angle

6°
5°

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2025

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Epomaker QK108

No ISO layout at the stores we track.

Keychron K4 V3

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-CH

    In stockShips to you

Where to buy

Compare prices

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

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.