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Head to head · Prices checked Nov 11, 2026

Epomaker HE30 vs Feker JJK21

Get the Epomaker HE30 for hall effect. Get the Feker JJK21 for hot-swappable and knob.

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Hall effect

Epomaker HE30

EPOMAKER HE30

4.3 (4)

$29at Epomaker

90-day low

Hot-swappable

Feker JJK21

FEKER JJK21 Numpad DIY Kit with Knob

2.8 (10)

$39at WhatGeek

90-day low

Quick verdict

Which one should you get?

Get the

Epomaker HE30

Hall effect

Build quality in the top 45% of Numpad boards under $50.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Feker JJK21

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.

Epomaker HE30

Feker JJK21

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Mount style

    Tray Mount

    Gasket Mount

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Epomaker HE30
  • Feker JJK21
Performance
88
76
Build quality
64
74
Productivity
73
74
Customizability
57
80
Portability
70
86

What they share

  • Layout size: Numpad
  • Case material: Plastic
  • 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 HE30

4.3

4 owner reviews

Praise
“It was a perfect product to review on my channel and it was easy to use , and so convenient for the price and was a whole different experience 😍”
Yazeed A.Verified buyer· via Epomaker
Critique
“First, typing sounds and feels great. High quality build. HID detection does not work on the publicly linked software Support had to provide an updated link via Discord That, and an "unofficial" web driver on GitHub The software is very confusing and in need…”
EnriqueVerified buyer· via Epomaker

Feker JJK21

2.8

10 owner reviews

Praise
“This numpad has been one of my favorite recent purchases. The wireless is very snappy and painless to pair. I use it to pull out when I need to enter a lot of numbers for work but then put it away for playing games. Its a great little addition and it even has…”
Jacob W.· via Epomaker
Critique
“キーを打つ度にドンドンと机を叩くような低い音が響くので、柔らかいリストレストの上に置いて使っています。 ライティングの設定は、しばらく続けるとなぜか変更を受け付けなくなるので、その度にリセット(多分Fn+Esc長押し)を押しています。 Windowsを起動した直後にpinを入れるためにキーを押しても反応が鈍く、入力をやり直す機会が増えたことも不満です。 追記 接続は、PC側もUSB-Cで繋ぐと安定しました。 ライティングを点滅させるとNumランプも一緒に点滅するので視認性が悪いです。…”
n.Verified buyer· via Epomaker

Full specs

Epomaker HE30 vs Feker JJK21 specs

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

12 of 24 specs differ

Epomaker HE30

Feker JJK21

Typing & switches

Switch options

Magnetic
—

Hall effect (magnetic)

Yes
No

Hot-swappable

No
Yes

Mount style

Tray Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

Dvorak
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

LCD
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

Wired only
1,500 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Plate material

Aluminum
Plastic

Keycaps

PBT
—

Weight

350 g
300 g

Dimensions

29 x 153 x 133 mm
—

Typing angle

6°
—

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2026
2022

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.

Feker JJK212 stores

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