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Cooler Master Mastermouse MM520 Review | 78 Data compared

Avg. price:~£45Connectivity:wiredMaximum polling rate:1000 HzMaximum DPI:12000 DPIWeight:101 g

Cooler Master Mastermouse MM520 Review: Compare 78 technical specifications and user reviews to see how this product ranks in the Mice category and whether it is worth buying.

Cooler Master Mastermouse MM520
6.0/10

Overall score

Score
6.0/ 10
✕
What it is
An overall evaluation of the mouse's quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best mice on the market.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

80%

5.7

Technical score

20%

7.4

User score

â–¼Worse than 53% of mice
7.2

Value for money

Value for money
7.2/ 10
✕
What it is
An indicator that combines the mouse's overall rating with its cost.
When it matters
When you are looking for a mouse that offers a strong balance of performance, features, and price.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

70%

6.0

Overall score

30%

10

Price

â–¼Worse than 56%
5.7

Technical score

Technical score
5.7/ 10
✕
What it is
An assessment of technical performance for products in the Mice category across these key areas: Performance & Sensor, Connectivity, Battery & Charging, Controls, Design, Features.
When it matters
When you want to compare mice based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

36%

6.0

Performance & Sensor

22%

5.0

Controls

16%

5.7

Design

14%

10

Features

7%

1.1

Connectivity

5%

1.0

Battery & Charging

â–²Better than 50%
7.4

User score

User score
7.4/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the mouse.
When it matters
When you want to understand how a mouse performs in daily use or gaming and how reliable it is in terms of comfort, button feel, tracking accuracy, and long-term durability.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

70%

7.9

User ratings

30%

6.2

Number of reviews

Based on ratings from across the web.
â–¼Worse than 82%
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of mouse Cooler Master Mastermouse MM520

Technical score
Technical score
5.7/ 10
✕
What it is
An assessment of technical performance for products in the Mice category across these key areas: Performance & Sensor, Connectivity, Battery & Charging, Controls, Design, Features.
When it matters
When you want to compare mice based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
Score components:

36%

6.0

Performance & Sensor

22%

5.0

Controls

16%

5.7

Design

14%

10

Features

7%

1.1

Connectivity

5%

1.0

Battery & Charging

5.7
User score
User score
7.4/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the mouse.
When it matters
When you want to understand how a mouse performs in daily use or gaming and how reliable it is in terms of comfort, button feel, tracking accuracy, and long-term durability.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

70%

7.9

User ratings

30%

6.2

Number of reviews

Based on ratings from across the web.
7.4
Popularity
Popularity
6.2/ 10
✕
What it is
An indicator based on the number of reviews received by the mouse.
When it matters
When you prefer a mouse that has already been chosen and reviewed by many other users.
Score distribution
â–¼
<55-66-77-88-99-10
Popularity:
Cooler Master Mastermouse MM520 has a popularity score of 6.2 points, which is lower than that of 51.8% of products in this category.
6.2
Value for money
Value for money
7.2/ 10
✕
What it is
An indicator that combines the mouse's overall rating with its cost.
When it matters
When you are looking for a mouse that offers a strong balance of performance, features, and price.
Score distribution
â–¼
<55-66-77-88-99-10
Score components:

70%

6.0

Overall score

30%

10

Price

7.2
Brand name
Cooler
Maximum polling rate
1,000 Hz
This mouse has a maximum polling rate of 1,000 Hz, which is higher than 27.8% of mice and equal to 55% of mice.
Wired polling rate
1,000 Hz
This mouse has a wired polling rate of 1,000 Hz, which is higher than 13.2% of mice and equal to 77.4% of mice.
2.4 GHz polling rate
N/A
Bluetooth polling rate
0 Hz
This mouse has a Bluetooth polling rate of 0 Hz, which is lower than 36% of mice and equal to 64% of mice.
wired only.
Show more
Connectivity
wired
This mouse supports wired connectivity, which is less versatile than 65.1% of mice and equal to 34.9% of mice.
connection modes: wired.
Bluetooth support
no
This mouse does not support Bluetooth. 35.6% of mice support Bluetooth.
Bluetooth version
N/A
Proprietary 2.4 GHz support
no
This mouse does not support proprietary 2.4 GHz wireless. 61.3% of mice support proprietary 2.4 GHz wireless.
Receiver included
no
This mouse does not include a receiver. 62.3% of mice include a receiver.
Show more
Battery life
N/A
Battery capacity
N/A
Battery form factor
N/A
Rechargeable battery
no
This mouse does not use a rechargeable battery. 46% of mice use a rechargeable battery.
Removable battery
no
This mouse does not use a removable battery. 22.3% of mice use a removable battery.
Show more
N. of buttons
6
This mouse has 6 buttons, which is more than 23.2% of mice and equal to 40% of mice.
N. of side buttons
2
This mouse has 2 side buttons, which is more than 15% of mice and equal to 68.6% of mice.
N. of programmable buttons
?
DPI switching button
yes
This mouse includes a DPI switching button. 14.7% of mice include a DPI switching button.
Profile switching button
no
This mouse does not include a profile switching button. 16% of mice include a profile switching button.
Show more
Orientation
right-handed
Weight
101 g
This mouse weighs 101 g, which is heavier than 72.6% of mice and equal to 0.8% of mice.
Extra weights
0 g
This mouse comes with 0 g extra weights, which is less than 4.6% of mice and equal to 95.4% of mice.
Cable length
1.8 m
This mouse comes with a 1.8 m cable, which is longer than 18.4% of mice and equal to 65.2% of mice.
Cable type
rubber
Show more
Onboard memory profiles
5
This mouse stores 5 onboard profiles, which is more than 81.4% of mice and equal to 18.2% of mice.
Onboard memory size
512 KB
This mouse has 512 KB of onboard memory, which is larger than 93.7% of mice and equal to 5.8% of mice.
Software name
Cooler Master Portal
Firmware upgradable
yes
This mouse supports firmware updates. 22.5% of mice support firmware updates.
Suitable for gaming
yes
This mouse is suitable for gaming. 23.9% of mice are suitable for gaming.

Cooler Master Mastermouse MM520 vs the average mouse

246810TotalPerformance & SensorConnectivityBattery & ChargingControlsDesignFeatures
  • 4 more onboard profiles
    This mouse stores 5 onboard profiles, while the average mouse stores 1 onboard profiles.
    5 vs 1
  • Adjustable lift-off distance
    This mouse supports adjustable lift-off distance, while the average mouse does not. 46.5% of mice support adjustable lift-off distance.
  • 2 more RGB zones
    This mouse has 3 RGB zones, while the average mouse has 1 RGB zones.
    3 vs 1
  • Adjustable debounce time
    This mouse supports adjustable debounce time, while the average mouse does not. 28.2% of mice support adjustable debounce time.
  • 25% higher maximum acceleration
    This mouse has a maximum acceleration of 50 G, while the average mouse has a maximum acceleration of 40 G.
    50 G vs 40 G
  • 10.2 mm lower mouse height
    This mouse is 29.5 mm tall, while the average mouse is 39.7 mm tall.
    29.5 mm vs 39.7 mm
  • 100 DPI lower minimum setting
    This mouse goes as low as 100 DPI, while the average mouse goes as low as 200 DPI.
    100 DPI vs 200 DPI
  • Adjustable lift-off distance
    This mouse supports adjustable lift-off distance, while the average mouse does not. 46.5% of mice support adjustable lift-off distance.
  • 25% higher maximum acceleration
    This mouse has a maximum acceleration of 50 G, while the average mouse has a maximum acceleration of 40 G.
    50 G vs 40 G
  • 100 DPI lower minimum setting
    This mouse goes as low as 100 DPI, while the average mouse goes as low as 200 DPI.
    100 DPI vs 200 DPI
  • Adjustable debounce time
    This mouse supports adjustable debounce time, while the average mouse does not. 28.2% of mice support adjustable debounce time.
  • 2 more RGB zones
    This mouse has 3 RGB zones, while the average mouse has 1 RGB zones.
    3 vs 1
  • 10.2 mm lower mouse height
    This mouse is 29.5 mm tall, while the average mouse is 39.7 mm tall.
    29.5 mm vs 39.7 mm
  • 4 more onboard profiles
    This mouse stores 5 onboard profiles, while the average mouse stores 1 onboard profiles.
    5 vs 1
  • No proprietary 2.4 GHz support
    This mouse does not support proprietary 2.4 GHz wireless, while the average mouse does. 61.3% of mice support proprietary 2.4 GHz wireless.
  • 23.2% higher mouse weight
    This mouse weighs 101 g, while the average mouse weighs 82 g.
    101 g vs 82 g
  • No automatic sleep mode
    This mouse does not support auto-sleep, while the average mouse does. 60.5% of mice support auto-sleep.
  • No receiver included
    This mouse does not include a receiver, while the average mouse does. 62.3% of mice include a receiver.
  • 10 million clicks shorter switch lifespan
    This mouse has a switch durability of 20 million clicks, while the average mouse has a switch durability of 30 million clicks.
    20 million clicks vs 30 million clicks
  • 37.5% lower tracking speed
    This mouse has a maximum tracking speed of 250 IPS, while the average mouse has a maximum tracking speed of 400 IPS.
    250 IPS vs 400 IPS
  • No battery level indicator
    This mouse does not include a battery level indicator, while the average mouse does. 59.4% of mice include a battery level indicator.
  • Limited connectivity
    This mouse supports wired connectivity, while the average mouse supports wireless connectivity.
    connection modes: wired.
    wired vs wireless
  • 8.2% lower user score
    User score
    7.4/ 10
    ✕
    What it is
    A rating that combines user reviews and the total number of reviews received by the mouse.
    When it matters
    When you want to understand how a mouse performs in daily use or gaming and how reliable it is in terms of comfort, button feel, tracking accuracy, and long-term durability.
    Score distribution
    ▼▼
    <55-66-77-88-99-10
    Cooler Master Mastermouse MM520
    the average mouse
    Cooler Master Mastermouse MM520 has a lower user score than the average mouse (7.4 vs 8).
    7.4 vs 8
  • 37.5% lower tracking speed
    This mouse has a maximum tracking speed of 250 IPS, while the average mouse has a maximum tracking speed of 400 IPS.
    250 IPS vs 400 IPS
  • 1 fewer stored DPI steps
    This mouse stores 4 DPI steps, while the average mouse stores 5 DPI steps.
    4 vs 5
  • No proprietary 2.4 GHz support
    This mouse does not support proprietary 2.4 GHz wireless, while the average mouse does. 61.3% of mice support proprietary 2.4 GHz wireless.
  • No receiver included
    This mouse does not include a receiver, while the average mouse does. 62.3% of mice include a receiver.
  • Limited connectivity
    This mouse supports wired connectivity, while the average mouse supports wireless connectivity.
    connection modes: wired.
    wired vs wireless
  • No automatic sleep mode
    This mouse does not support auto-sleep, while the average mouse does. 60.5% of mice support auto-sleep.
  • No battery level indicator
    This mouse does not include a battery level indicator, while the average mouse does. 59.4% of mice include a battery level indicator.
  • 10 million clicks shorter switch lifespan
    This mouse has a switch durability of 20 million clicks, while the average mouse has a switch durability of 30 million clicks.
    20 million clicks vs 30 million clicks
  • 23.2% higher mouse weight
    This mouse weighs 101 g, while the average mouse weighs 82 g.
    101 g vs 82 g
  • 12.5 mm wider mouse width
    This mouse has a width of 78.5 mm, while the average mouse has a width of 66 mm.
    78.5 mm vs 66 mm
  • 4 older release date
    This mouse has a release date of 2017, while the average mouse has a release date of 2021.
    August 2017
    2017 vs 2021

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

9.0
BadSeed Tech
≈ estimated
26/04/2018
Hands-on review · ergonomics, software and value
Verdict
Cooler Master MasterMouse MM520 is strongly recommended for fast play, with premium parts, easy software and good value for the money.
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Expert reviews

In-depth analysis and verdict from leading tech publications

K
kitguru.net
22/08/2017
Summary of the review
B
bit-tech.net
22/08/2017
Summary of the review
O
overclock3d.net
22/08/2017
Summary of the review
T
tweaktown.com
26/12/2017
Summary of the review
T
techradar.com
05/03/2018
Summary of the review
R
relaxedtech.com
09/03/2018
Summary of the review
A
aphnetworks.com
04/05/2018
Summary of the review
A
attackongeek.com
13/12/2017
Summary of the review
B
bit-tech.net
22/08/2017
Summary of the review
L
lesnumeriques.com
25/03/2018
Summary of the review
C
conseil-config.com
01/11/2017
Summary of the review
V
vonguru.fr
03/01/2018
Summary of the review

Third-party reviews

Based on ratings from across the web.
Reviews last updated: November 2026 · How we calculate this

What customers like about Cooler Master Mastermouse MM520

  • High-end PixArt PMW3360 optical sensor providing accurate and responsive tracking
  • Durable PBT plastic construction that resists shine and wear over time
  • Lightweight potential; reducing weight from ~101g to ~88g by removing the internal screw-in weight
  • Affordable price point offering premium features like Omron switches for a budget cost
  • Comfortable specialized ergonomic shape with a dedicated ring finger rest for claw grip users
  • Lightweight and customizable software allowing for deep button remapping and macro support
  • Vibrant three-zone RGB lighting with extensive color and pattern customization

What customers don't like about Cooler Master Mastermouse MM520

  • Unique 'ultra-wide' shape that can cause hand cramps or discomfort for users with smaller hands
  • Internal weight is not externally accessible, requiring mouse disassembly (and potentially damaging feet) to remove
  • Stock cable is made of standard rubber rather than a more flexible or durable braided material
  • Side buttons and scroll wheel click are often reported as feeling 'stiff' or 'squishy' compared to main buttons
  • Sensor may struggle with tracking on mouse pads featuring complex patterns or painted logos
  • Noticeable sensor smoothing/input lag (approx. 2ms) kicks in when used above 2000-2100 DPI
  • Side rubber grip can lose its adhesive or become slippery for some users over extended use

Verdict

The Cooler Master MasterMouse MM520 is a right-handed ergonomic gaming mouse specifically tailored for claw and fingertip grip styles, featuring a unique dedicated ring finger rest and a reinforced rubber side grip for the pinky. It is equipped with the high-performance PixArt PMW-3360 optical sensor, offering up to 12,000 DPI with on-the-fly adjustment, 250 IPS tracking speed, and 50g acceleration. Built for durability, it utilizes PBT plastic for the main buttons and Omron switches rated for 20 million clicks, all powered by a 32-bit ARM Cortex M0 processor with 512KB of onboard memory for five programmable profiles and three-zone RGB lighting. Main pros include its top-tier sensor implementation, robust build quality, and lightweight feel (approximately 101g without cable), which can be further reduced by removing an internal weight. Conversely, some users find the extra-wide shape polarizing for comfort, while others have noted stiff side buttons, a non-braided rubber cable, and software that can occasionally feel clunky.

Compare Cooler Master Mastermouse MM520 with other products in the Mice category

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