Head to head · Prices checked Nov 11, 2026

Dagk Alloy40 V2 vs Yunzii B87

Get the Yunzii B87 for the 4,000 mAh battery and qmk.

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Dagk Alloy40 V2

from$106at WhatGeek

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Battery

Yunzii B87

from$89at Yunzii

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Dagk Alloy40 V2

Build quality in the top 50% 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.

$106 at WhatGeek

Get the

Yunzii B87

Battery

Build quality in the top 20% of 80% boards under $100.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No numpad.

$89 at Yunzii

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.

Dagk Alloy40 V2

Yunzii B87

Layout size
40%
80%
Battery
3,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Case material
Aluminum
ABS
Weight
930 g
1,128 g
Heavier boards stay planted and lighter ones travel
QMK
No
Yes
The deep option when you want to remap every key

KeebFinder scores

How we score

Dagk Alloy40 V2
Yunzii B87

Performance: 58
81
Build quality: 70
77
Productivity: 60
89
Customizability: 76
86
Portability: 90
73

What they share

Connection: Bluetooth, 2.4 GHz, Wired
Hot-swappable
Mount style: Gasket Mount

See every spec side by side

Full specs

Dagk Alloy40 V2 vs Yunzii B87 specs

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

9 of 22 specs differ

Spec

Dagk Alloy40 V2

Yunzii B87

Typing & switches

Switch options

—

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

Gasket Mount

Sound dampening

Yes

Layout

Layout size

40%

80%

Layout standard

ANSI

Ergonomics

Standard

Display

None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

—

1,000 Hz

Battery

3,000 mAh

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

Aluminum

ABS

Keycaps

—

PBT

Weight

930 g

1,128 g

Dimensions

22 x 100 x 289 mm

46 x 147 x 373 mm

Backlight

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2024

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.

Dagk Alloy40 V22 stores