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Head to head · Prices checked Oct 21, 2026

Epomaker QK108 vs Keychron J3 SE

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

EPOMAKER QK108

Battery

Epomaker QK108

3.6 · 9 reviews

from$99at Epomaker

Shop nowSee all prices
Keychron J3 SE QMK Wireless Mechanical Keyboard

Keychron J3 SE

5.0 · 1 reviews

from$129at Keychron

Shop nowSee all prices

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 J3 SE

  • Layout size

    100%

    96%

  • Battery

    8,000 mAh

    4,000 mAh

  • Switch options

    Linear, Silent, Tactile

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Display

    LED

    None

KeebFinder scores

How we score
  • Epomaker QK108
  • Keychron J3 SE
Performance
81
80
Build quality
76
68
Productivity
89
89
Customizability
82
86
Portability
62
57

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Case material: ABS
  • 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 J3 SE

5.0

1 owner reviews

Praise
“I love the keyboard! Everything was as expected but the keys are even smoother than I could have hoped for. I love the color, it matches exactly what was displayed on the website. Setup was very easy once I actually read the manual. I like that it gives you…”
Nathalia N.· via Keychron

Full specs

Epomaker QK108 vs Keychron J3 SE specs

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

10 of 25 specs differ

Epomaker QK108

Keychron J3 SE

Typing & switches

Switch options

Linear, Silent, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
Yes

Layout

Layout size

100%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

LED
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, 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
ABS

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

1,180 g
1,145 g

Dimensions

43 x 439 x 139 mm
43 x 406 x 139 mm

Typing angle

6°
—

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • EpomakerUS

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    Visit
  • KeychronHK

    In stock
    $129Visit
  • AmazonGlobal

    Check price
    Visit

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