Head to head · Prices checked Nov 10, 2026

Epomaker TH40 vs Fiio KB3

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Epomaker TH40

3.9 (56)3.9 · 56 reviews

from$55at Epomaker

90-day lowLowest price in 90 days

Compare 2 stores

Fiio KB3

No reviews

from$154at Mechkeys

Compare 3 stores

Quick verdict

Which one should you get?

Get the

Epomaker TH40

Build quality in the top 30% of 40% boards under $150.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Compact layout only. No function row, dedicated arrow keys, or numpad.

$55 at Epomaker

Get the

Fiio KB3

Build quality in the bottom 25% of Numpad boards under $200.

Rules this board out

Numpad only. This is not a full keyboard.

$154 at Mechkeys

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 TH40

Fiio KB3

Layout size
40%
Numpad
Connection
Bluetooth, 2.4 GHz, Wired
Wired, Bluetooth
Wireless for several devices and wired for lower latency
Ergonomics
Split Spacebar
Standard
Case material
ABS
Metal, Plastic
Switch options
Linear
Linear, Tactile

KeebFinder scores

How we score

Epomaker TH40
Fiio KB3

Performance: 73
45
Build quality: 75
51
Productivity: 62
60
Customizability: 85
76
Portability: 84
88

What they share

Hot-swappable
Mount style: Gasket Mount

See every spec side by side

Full specs

Epomaker TH40 vs Fiio KB3 specs

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

13 of 22 specs differ

Spec

Epomaker TH40

Fiio KB3

Typing & switches

Switch options

Linear

Linear, Tactile

Hot-swappable

Yes

Mount style

Gasket Mount

Layout

Layout size

40%

Numpad

Layout standard

ANSI

Ergonomics

Split Spacebar

Standard

Display

None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Wired, Bluetooth

Max polling rate

1,000 Hz

—

Battery

3,000 mAh

—

USB-C

Yes

Build & materials

Case material

ABS

Metal, Plastic

Plate material

Plastic, Polycarbonate

—

Keycaps

PBT

—

Weight

500 g

1,060 g

Dimensions

35 x 258 x 97 mm

44 x 329 x 140 mm

Backlight

RGB, south-facing

RGB

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2024

2023

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.

Epomaker TH402 stores