Cooler Master Masterset MS121 Keyboard/Mouse Combo Review



  • Mem-chanical Clicky Switches Cooler Master’s exclusive switches are durable, feel and sound like mechanical clicky switches. No more mushy keys, just satisfying clicks and clacks with a 50M+ rated lifespan. The switches also feature a 3.8mm travel distance and 1.8mm actuation point.
  • Up to 26-keys Anti-Ghosting
  • Cooler Master 2017 new imagine floating design with sleek style, elegant and classic look.
  • Brilliant Per-key RGB lighting.
  • Win Lock and Full key lock Function through FN.
  • Multimedia Shortcuts through FN.
  • Adjustable Repeat Rate (1x, 8x)



  • Avago 3050 Optical Sensor for optimized for Gaming with 4 levels of adjustable DPI between 500 to 3500
  • Ambidextrous Small Claw Grip design for high action controls
  • Durable OMROM 10M micro switches for the best feedback and durability.
  • On-the-Fly DPI Switch Button



Product Name MasterSet MS121
Model Number MS-121-KKMF1-US
Interface USB 2.0
DPI 4 levels (500, 750, 1500, 3500)
LED backlight RGB
Lighting mode Two Zones
Dimension 114 (L) x 64 (W) x 39 (H) mm
Weight 91g
Switch Type Mem-chanical Clicky
Switch Lifespan 50M+
Material Plastic
Color Black
Lighting Mode Per-key full backlight, multiple modes and reactive effects. Controllable through FN key combo.
FW Updates Yes, online updates for LED modes
Polling Rate 125 Hz
On board Memory 32KB
Multimedia Through FN
Connector Cable USB 2.0
Dimension 441 (L) x 132.5 (W) x 38 (H) mm
Weight 1041.5 g


Now let us open the box and see what awaits us!


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Chris has been a long time enthusiasts of anything computer related. He is a 2010 Graduate with a Bachelor's degree in Computer Science. His expertise ranges from simple coding to systems analysis. He has always enjoyed exploring the vast world of computer hardware and now gets to share that passion with all funky followers!