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Head to head · Prices checked Nov 13, 2026

Ajazz AC100 vs Vgn S99

Get the Ajazz AC100 for the 8,000 mAh battery. Get the Vgn S99 for sound dampening.

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Quick verdict

Which one should you get?

Get the

Ajazz AC100

Battery

Build quality in the bottom 40% of 96% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Vgn S99

Sound dampening

Build quality in the bottom 25% of 96% boards under $100.

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 AC100

Vgn S99

  • Battery

    8,000 mAh

    6,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    Plastic

  • Display

    TFT

    LED

    A case display rather than a typing feature

  • Sound dampening

    No

    Yes

  • Plate material

    FR4, Plastic

    FR4

KeebFinder scores

How we score
  • Ajazz AC100
  • Vgn S99
Performance
57
58
Build quality
59
52
Productivity
64
62
Customizability
65
59
Portability
62
59

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Switch options: Linear
  • Mount style: Gasket Mount
  • Keycaps: PBT
See every spec side by side

Full specs

Ajazz AC100 vs Vgn S99 specs

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

8 of 21 specs differ

Ajazz AC100

Vgn S99

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

TFT
LED

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
6,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Plastic

Plate material

FR4, Plastic
FR4

Keycaps

PBT
PBT

Weight

2,100 g
—

Dimensions

20 x 145 x 410 mm
—

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2024
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.

Ajazz AC1003 stores
Vgn S992 stores

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