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Head to head · Prices checked Oct 31, 2026

Apos OLKB Preonic vs Epomaker EK21

Get the Apos OLKB Preonic for qmk. Get the Epomaker EK21 for hot-swappable.

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EPOMAKER EK21

Hot-swappable

Epomaker EK21

4.5 · 34 reviews

from$33at Epomaker

90-day low

Quick verdict

Which one should you get?

Get the

Apos OLKB Preonic

QMK

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

Epomaker EK21

Hot-swappable

Build quality in the top 25% of Numpad boards under $50.

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.

Apos OLKB Preonic

Epomaker EK21

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Ergonomics

    Ortholinear

    Standard

  • Case material

    Acrylic, Aluminum

    ABS

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Apos OLKB Preonic
  • Epomaker EK21
Performance
61
78
Build quality
68
76
Productivity
56
87
Customizability
74
82
Portability
40
88

What they share

  • Knob
  • Keycaps: PBT
See every spec side by side

Full specs

Apos OLKB Preonic vs Epomaker EK21 specs

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

12 of 24 specs differ

Apos OLKB Preonic

Epomaker EK21

Typing & switches

Switch options

—
Linear

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

—
Numpad

Layout standard

Colemak
ANSI

Ergonomics

Ortholinear
Standard

Knob

Yes
Yes

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

Wired only
1,000 mAh

USB-C

No
Yes

Build & materials

Case material

Acrylic, Aluminum
ABS

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

—
200 g

Dimensions

—
29 x 138 x 93 mm

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2025

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.

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