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Head to head · Prices checked Nov 11, 2026

Ajazz AK816 Pro vs Apos NPKC RO75

Get the Ajazz AK816 Pro for knob. Get the Apos NPKC RO75 for the 6,000 mAh battery and via.

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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.

Ajazz AK816 Pro

Apos NPKC RO75

  • Battery

    3,000 mAh

    6,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum, Plastic

    Aluminum

  • Knob

    Yes

    No

  • Weight

    1,060 g

    1,680 g

    Heavier boards stay planted and lighter ones travel

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • Ajazz AK816 Pro
  • Apos NPKC RO75
Performance
69
86
Build quality
70
82
Productivity
85
89
Customizability
70
82
Portability
83
91

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

Ajazz AK816 Pro vs Apos NPKC RO75 specs

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

11 of 25 specs differ

Ajazz AK816 Pro

Apos NPKC RO75

Typing & switches

Switch options

—
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
4,000 Hz

Battery

3,000 mAh
6,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
Aluminum

Plate material

Polycarbonate
FR4, Polycarbonate

Keycaps

PBT
ABS, PBT

Weight

1,060 g
1,680 g

Dimensions

40 x 136 x 321 mm
35 x 312 x 135 mm

Typing angle

—
15°

Backlight

RGB
RGB

Firmware & software

VIA

No
Yes

VIAL

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2022
2025

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.

Ajazz AK816 Pro2 stores
Apos NPKC RO752 stores

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