Head to head · Prices checked Nov 7, 2026

Epomaker TH40 vs Razer BlackWidow V4 Pro

Get the Epomaker TH40 for hot-swappable. Get the Razer BlackWidow V4 Pro for knob.

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Hot-swappable

Epomaker TH40

3.9 (56)3.9 · 56 reviews

from$55at Epomaker

90-day lowLowest price in 90 days

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Knob

Razer BlackWidow V4 Pro

No reviews

from$355at Mechkeys

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Quick verdict

Which one should you get?

Get the

Epomaker TH40

Hot-swappable

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

Razer BlackWidow V4 Pro

Knob

Build quality in the bottom 5% of 100% boards at any price.

Rules this board out

Switches are soldered. Swapping them means soldering.

$355 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

Razer BlackWidow V4 Pro

Layout size
40%
100%
Hot-swappable
Yes
No
Switch changes without soldering
Ergonomics
Split Spacebar
Standard
Switch options
Linear
Clicky, Linear, Tactile
Knob
No
Yes

KeebFinder scores

How we score

Epomaker TH40
Razer BlackWidow V4 Pro

Performance: 74
54
Build quality: 75
39
Productivity: 62
48
Customizability: 85
52
Portability: 84
40

What they share

Case material: ABS

See every spec side by side

Full specs

Epomaker TH40 vs Razer BlackWidow V4 Pro specs

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

12 of 22 specs differ

Spec

Epomaker TH40

Razer BlackWidow V4 Pro

Typing & switches

Switch options

Linear

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

Gasket Mount

—

Layout

Layout size

40%

100%

Layout standard

ANSI

Ergonomics

Split Spacebar

Standard

Knob

Yes

Display

None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

—

Max polling rate

1,000 Hz

—

Battery

3,000 mAh

—

Build & materials

Case material

ABS

Plate material

Plastic, Polycarbonate

—

Keycaps

PBT

ABS

Weight

500 g

—

Dimensions

35 x 258 x 97 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