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Head to head · Prices checked Nov 2, 2026

Corsair K70 Pro vs Niuniu KB40

Get the Corsair K70 Pro for knob. Get the Niuniu KB40 for hot-swappable.

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Quick verdict

Which one should you get?

Get the

Corsair K70 Pro

Knob

Build quality in the bottom 10% of 100% boards under $200.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

Niuniu KB40

Hot-swappable

Build quality in the bottom 40% of 40% boards under $300.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or numpad.

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.

Corsair K70 Pro

Niuniu KB40

  • Layout size

    100%

    40%

  • 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

    Standard

    Ortholinear

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Corsair K70 Pro
  • Niuniu KB40
Performance
85
47
Build quality
42
67
Productivity
53
80
Customizability
55
63
Portability
42
88

What they share

  • Case material: Aluminum
See every spec side by side

Full specs

Corsair K70 Pro vs Niuniu KB40 specs

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

11 of 21 specs differ

Corsair K70 Pro

Niuniu KB40

Typing & switches

Switch options

Clicky, Linear, Tactile
—

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

100%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Ortholinear

Knob

Yes
No

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

—
Aluminum, FR4

Keycaps

PBT
—

Dimensions

40 x 444 x 166 mm
—

Backlight

RGB
None

Firmware & software

N-key rollover

Yes
No

Mac & Windows

No
Yes

Extras

Released

2022
2026

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.

Niuniu KB402 stores

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