Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 12, 2026

ACGAM S99 vs Vgn S99

Get the ACGAM S99 for mac & windows. Get the Vgn S99 for n-key rollover.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

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.

ACGAM S99

Vgn S99

  • Case material

    Aluminum

    Plastic

  • Display

    None

    LED

    A case display rather than a typing feature

  • N-key rollover

    No

    Yes

  • Mac & Windows

    Yes

    No

  • Released

    2024

    2026

KeebFinder scores

How we score
  • ACGAM S99
  • Vgn S99
Performance
66
58
Build quality
69
52
Productivity
80
62
Customizability
65
59
Portability
68
59

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 6,000 mAh
  • Max polling rate: 1,000 Hz
  • Switch options: Linear
See every spec side by side

Full specs

ACGAM S99 vs Vgn S99 specs

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

5 of 21 specs differ

ACGAM S99

Vgn S99

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
LED

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

6,000 mAh
6,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Plastic

Plate material

—
FR4

Keycaps

PBT
PBT

Weight

1,200 g
—

Dimensions

46 x 143 x 386 mm
—

Backlight

RGB
RGB

Firmware & software

N-key rollover

No
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.

ACGAM S992 stores
Vgn S992 stores

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.