Cooler Master SK621 Keyboard Review: Page 4 of 7

Posted by James Keir on Tuesday, May 7, 2019 - 8:00am

A Closer Look

Being a 60% keyboard, the SK621 is quite the compact device that should have no trouble fitting on desks of any size. The SK621 looks quite similar to the other keyboards in the SK with the same extra slim keycaps and low-profile design. 

Cooler Master SK621

Since this keyboard is so compact to get a good look at the top panel, we had to remove a few of its keycaps. Under the keycap, we find the gunmetal brushed aluminum finish that we have seen on many Cooler Master keyboards. It’s nice to see this was continued on the SK621 as it just looks stunning. Attached to the top plate are Cherry MX’s low-profile red switches which feel exactly like regular red switches but with a 35% reduction in height.

Cooler Master SK621

Looking to the side of the top plate is a precisely machined beveled edge which extends the entire parameter of the SK621.

Cooler Master SK621

The back of the SK621 features a USB-C port which is used for when you want to use it in wired mode or recharge the battery. The keycaps themselves are raised from the body which makes cleaning the keyboard much easier than keycaps sunken into the frame.

Cooler Master SK621

The bottom of the SK621 has no adjustable feet and like other SK products, features rubberized feet on each corner of the keyboard.

Cooler Master SK621

On the left side of the SK621 is a switch for turn on/off wireless mode.

Cooler Master SK621

The SK621 comes with a black braided cable with gold plated connectors. Like many other Cooler Master peripherals, the USB connector also includes a royal purple plastic insert.

Cooler Master SK621

Upon plugging in the SK621, the keyboard immediately lights up with the Cooler Master purple RGB profile.

Cooler Master SK621

Using the onboard controls, we changed it to our favorite preset: “Rainbow Wave”.

Cooler Master SK621

Like other Cherry MX switches we have seen, the LED is located at the top.

Cooler Master SK621

Turning off the lights, you can get a sense of how bright the LEDs really are. The low-profile switches are a little bit dimmer than a normal sized switch, but still do an excellent job lighting up the SK621.

Cooler Master SK621

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