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

Head to head · Prices checked Nov 2, 2026

Coolkiller Spring vs Niz L84/L99

Get the Coolkiller Spring for usb-c.

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

Quick verdict

Which one should you get?

Get the

Coolkiller Spring

USB-C

Build quality in the bottom 50% of 65% boards under $200.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • 65% layout. No function row and no numpad.

Get the

Niz L84/L99

Build quality in the bottom 5% of 75% boards under $200.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No 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.

Coolkiller Spring

Niz L84/L99

  • Layout size

    65%

    75%

  • Released

    2023

    2025

  • USB-C

    Yes

    No

KeebFinder scores

How we score
  • Coolkiller Spring
  • Niz L84/L99
Performance
59
49
Build quality
64
41
Productivity
61
57
Customizability
71
69
Portability
90
78

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
  • Display: Yes
See every spec side by side

Full specs

Coolkiller Spring vs Niz L84/L99 specs

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

3 of 16 specs differ

Coolkiller Spring

Niz L84/L99

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Low profile

Yes
Yes

Layout

Layout size

65%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

Yes
Yes

Connectivity & battery

Connection

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

Battery

3,500 mAh
—

USB-C

Yes
No

Build & materials

Case material

Aluminum
—

Keycaps

PBT
—

Weight

1,500 g
—

Backlight

RGB
RGB

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2023
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.

Niz L84/L992 stores

Still torn?

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