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Cooler Master

Cooler Master SGM-2007-KLON1 MasterMouse MM520 Gaming Mouse

★★★★★3.9 (109 reviews)

Precision and Comfort for Competitive GamingThe Cooler Master MasterMouse MM520 is engineered for claw grip gamers, offering enhanced comfort and precision. With a high-performance Pixart sensor, durable construction, and customizable RGB lighting, this mouse is designed to elevate your gaming ex...

$65.49*
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*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

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Overview

Precision and Comfort for Competitive Gaming

The Cooler Master MasterMouse MM520 is engineered for claw grip gamers, offering enhanced comfort and precision. With a high-performance Pixart sensor, durable construction, and customizable RGB lighting, this mouse is designed to elevate your gaming experience.

Specifications:

  • Brand: Cooler Master
  • Model: SGM-2007-KLON1
  • Type: Optical Gaming Mouse
  • Color: Black
  • Interface: USB
  • DPI: 12000
  • Buttons: 7
  • Sensor: Pixart 3360
  • Grip Style: Claw
  • Side Grips: Reinforced Rubber
  • Key Switches: Omron
  • RGB Lighting: Three Zones

Key Features

Rubber side grip and a ring finger rest ensure higher responsiveness and precision during competition, while an ergonomic body gives long-lasting comfort for those all-night gaming sessions

We fitted the MM520 with a Pixart 3660 optical sensor with an adjustable DPI up to 12000 which means no lag, no stutter, and no fighting with your mouse in the thick of it

Set your default DPI, and four separate DPI settings in 100 DPI increments, anywhere from 100 DPI up to 12000 DPI

Specifications

Model Number
SGM-2007-KLON1
Brand
Cooler Master
Product Name
MasterMouse MM520 Gaming Mouse
Sensor Type
Pixart 3660 Optical
Adjustable DPI Range
100-12000 DPI
DPI Increments
100 DPI
Programmable DPI Settings
Four separate settings
Ergonomic Features
Rubber side grip, ring finger rest

Pros & Cons

👍 Pros

  • Experience enhanced grip and precision during competitive gaming thanks to the integrated rubber side grip.
  • Enjoy prolonged comfort during extended gaming sessions due to the ergonomic body design and ring finger rest.
  • Benefit from highly accurate tracking with the Pixart 3660 optical sensor, minimizing lag and stutter.
  • Customize your sensitivity with adjustable DPI settings, ranging from 100 DPI up to 12000 DPI.
  • Quickly switch between four distinct DPI settings, configured in 100 DPI increments, for versatile gameplay.

👎 Cons

  • The mouse's design with a rubber side grip and ring finger rest might not suit all hand sizes or grip styles.
  • While DPI is highly adjustable, the total number of programmable buttons or other advanced gaming features is not specified.
  • The mouse is wired, which may not appeal to users who prefer the freedom of movement offered by wireless gaming mice.
  • Specific details about the durability of the rubber side grip or the expected lifespan of its switches are not provided.
  • Only a Pixart 3660 optical sensor is mentioned, without comparison to other sensors or specific performance metrics beyond DPI.

Frequently Asked Questions

The Cooler Master MasterMouse MM520 is fitted with a Pixart 3660 optical sensor.
The DPI of the MasterMouse MM520 can be adjusted up to 12000 DPI.
You can set your default DPI and four separate DPI settings in 100 DPI increments, anywhere from 100 DPI up to 12000 DPI.
Yes, its ergonomic body and a ring finger rest are designed to provide long-lasting comfort for extended gaming sessions.
Yes, it features a rubber side grip to ensure higher responsiveness and precision during competitive play.

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