Cooler Master SK621

Cooler Master · 60% · low profile

Cooler Master SK621 mechanical keyboard
Image courtesy of Cooler Master

A 60% low-profile mechanical keyboard with Bluetooth wireless and wired connectivity, an aluminum top plate, and per-key RGB for a slim portable setup.

Best for: travel, office, typing, mac users.

Cooler Master SK621 specs

Layout 60%
Height Low profile
Connectivity Wired, Bluetooth
Hot-swap No
Stock switches CM Low Profile Blue, CM Low Profile Red
Keycaps n/a
Case aluminum top plate, plastic base
Mount Tray
Backlight RGB
QMK / VIA No
Battery 2000 mAh
Typical price $89
Sound (stock) n/a
Released 2020

Fields marked n/a are unpublished by the maker; we list only verifiable numbers rather than guesses.

Unverified: specs compiled from manufacturer listings

Where to buy

No verified retailer link right now (the Cooler Master SK621 typically sells for around $89). Check Cooler Master directly or your usual mechanical-keyboard retailers.

Alternatives to the Cooler Master SK621

Cooler Master SK620 60% · $69 A wired 60% low-profile mechanical keyboard with a compact aluminum-topped case and per-key RGB, designed for a slim desktop footprint. Compare: Cooler Master SK621 vs Cooler Master SK620
Cooler Master CK720 65% · $119 A 65% hot-swappable keyboard with a gasket-mount aluminum case and USB-C wired connectivity, aimed at enthusiasts wanting a compact daily driver.

Not sure this is the one?

Answer five questions in KeebScout and it narrows every mechanical board we track to ones that match your use case, size, and budget. The Cooler Master SK621 ships soldered, so choose the stock switch carefully from the switch database.

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