Cooler Master SK620 vs Cooler Master SK621

The Cooler Master SK620 and the Cooler Master SK621 are close alternatives. The main differences: the Cooler Master SK620 is the cheaper of the two at $69 versus $89; the Cooler Master SK621 runs wireless where the Cooler Master SK620 is wired-only.

Cooler Master SK620 60% · $69
Cooler Master SK621 60% · $89

Choose the Cooler Master SK620 if

  • you mainly want it for budget.
  • you want to spend less ($69).

Choose the Cooler Master SK621 if

  • you mainly want it for mac users.
  • you need wireless.

Cooler Master SK620 vs Cooler Master SK621, spec by spec

Cooler Master SK620Cooler Master SK621
Layout 60% 60%
Height Low profile Low profile
Connectivity Wired Wired, Bluetooth (stronger spec)
Hot-swap No No
Keycaps n/a n/a
Case aluminum top plate, plastic base aluminum top plate, plastic base
Mount Tray Tray
Backlight RGB RGB
QMK / VIA No No
Battery n/a 2000 mAh
Typical price $69 (stronger spec) $89
Sound (stock) n/a n/a
Released 2021 2020

Highlighted rows are where the two differ; a check marks the objectively stronger spec (price, battery, modability). Feel and preference rows never get a check. Fields marked n/a are unpublished by the maker; we list only verifiable numbers.

Where they sit among all 509 boards we track

Price cheapest priciest
Cooler Master SK620 $69
Cooler Master SK621 $89

11% of the 509 boards tracked here cost less than the Cooler Master SK620; 22% of the 509 boards tracked here cost less than the Cooler Master SK621.

Battery smallest biggest
Cooler Master SK621 2000 mAh

7% of the 172 wireless boards tracked here carry a smaller battery than the Cooler Master SK621.

Where to buy the Cooler Master SK620

No verified retailer link right now. Check the maker or your usual keyboard retailers.

Where to buy the Cooler Master SK621

No verified retailer link right now. Check the maker or your usual keyboard retailers.

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