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Head to head · Prices checked Oct 30, 2026

ACGAM S99 vs Lofree Block

Get the ACGAM S99 for the 6,000 mAh battery. Get the Lofree Block for knob.

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Quick verdict

Which one should you get?

Get the

ACGAM S99

Battery

Build quality in the top 50% of 96% boards under $150.

Rules this board out

  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

Lofree Block

Knob

Build quality in the top 25% of 100% boards under $200.

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

Lofree Block

  • Layout size

    96%

    100%

  • Battery

    6,000 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    ABS

  • Knob

    No

    Yes

  • Display

    None

    Yes

    A case display rather than a typing feature

KeebFinder scores

How we score
  • ACGAM S99
  • Lofree Block
Performance
66
70
Build quality
69
65
Productivity
80
73
Customizability
65
74
Portability
68
56

What they share

  • 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

ACGAM S99 vs Lofree Block specs

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

12 of 23 specs differ

ACGAM S99

Lofree Block

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

96%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
Yes

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

6,000 mAhBetter
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS

Keycaps

PBT
PBT

Weight

1,200 g
1,090 g

Dimensions

46 x 143 x 386 mm
41 x 387 x 165 mm

Typing angle

—
4°

Backlight

RGB
White

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2023

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
Lofree Block3 stores

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