Corsair M55 RGB Pro Mouse Review

Tested using Methodology v0.8.1
Reviewed Jan 17, 2020 at 10:08 am
Corsair M55 RGB Pro Picture
Test Methodology v0.8.1
7.3
Mixed Usage
7.0
Office/Multimedia
4.8
Travel
8.1
Video Games (FPS)
8.2
Video Games (MMO)
8.0
Ultra-Light Gaming
Connectivity Wired
Type
Standard

The Corsair M55 RGB Pro is a good gaming mouse that has an ambidextrous design and two sets of two side buttons. The mouse is rather long and large, which is better suited for people with larger hands. Its performance is good, although the sensor seems to behave differently depending on your mouse movement speed, which results in inconsistent sensitivity. On the upside, its click latency is very low and it's not too heavy if you can eliminate the weight of the wire.

Our Verdict

7.3 Mixed Usage

The Corsair M55 RGB Pro is decent for mixed usage. This mouse is mainly designed for gaming and is surprisingly lightweight if you get rid of the cable's weight. It isn't ideal for office work due to its stiff cable, and wired-only designs aren't great for traveling.

See our Mixed Usage recommendations
7.0 Office/Multimedia

This is a decent mouse for the office. Its ergonomics are good unless you prefer right-slanted or left-slanted mice. The mouse is well-built and has a few buttons to make work more fluid, but it has a wire that's stiff and can clutter up your desk.

4.8 Travel

The Corsair M55 RGB Pro isn't designed as a travel mouse. This gaming mouse is rather bulky and always-wired. It will be hard to fit it in a laptop bag.

8.1 Video Games (FPS)

Good for video games like FPS. The click latency is very low and feels responsive. The mouse is also fairly lightweight if you can eliminate the cable's weight. The mouse has a symmetrical design with two side buttons on each side, which gives you more inputs. It has a wide CPI range that's customizable, but its sensor consistency seemed a bit off during testing.

See our Video Games (FPS) recommendations
8.2 Video Games (MMO)

The Corsair M55 RGB Pro is good for MMO games. The two sets of side buttons on each side offer extra inputs, but it won't be as great as a dedicated side MMO panel with multiple buttons. On the upside, the mouse feels responsive and well-built, but there are way better MMO options available.

8.0 Ultra-Light Gaming

The Corsair M55 RGB Pro is a good mouse for ultra-light gaming, although it's not necessarily designed for that purpose. The mouse is surprisingly light when you eliminate the weight of the cable, but it won't be as light as other mice specifically designed to be the lightest possible. It's a good alternative for people looking for a lightweight standard mouse that doesn't have a honeycomb pattern.

  • 7.3 Mixed Usage
  • 7.0 Office/Multimedia
  • 4.8 Travel
  • 8.1 Video Games (FPS)
  • 8.2 Video Games (MMO)
  • 8.0 Ultra-Light Gaming
Pros
  • Good build quality.
  • Can be used left-handed.
  • Low click-latency.
Cons
  • Inconsistent sensitivity.
  • Stiff cable.

Test Results

perceptual testing image
Design
Design
Style

The Corsair M55 RGB Pro is a fairly straightforward looking mouse. It has a symmetrical design with two side buttons on each side of the mouse. It also has RGB lighting on the manufacturer logo and can have solid colors set for the CPI settings. There are also rubber grips on both sides of the mouse.

Design
Weight
Maximum Weight With Wire
120 g
Maximum Weight Without Wire
89 g
Minimum Weight Without Wire
89 g

The Corsair M55 isn't too heavy, especially if you use a bungee to get rid of the weight of the cable. However, there's no weight optimization.

5.3
Design
Portability
Length 5.1" (12.9 cm)
Height 1.8" (4.5 cm)
Width 2.9" (7.3 cm)
Volume
26.00 Cu. Inch (426 Cu. centimeter)
Cable/Receiver Storing
No

Like most wired gaming mice, the Corsair M55 isn't the most portable. It's rather bulky and might be hard to fit in a laptop case, but this won't matter for people who are looking for a gaming mouse for their home setup.

7.5
Design
Build Quality

The Corsair M55 RGB Pro is a well-built mouse but isn't quite on par with some other Corsair mice we've reviewed so far. The whole body is made from solid plastic, but the rubber grips feel a bit cheap as they flex under moderate pressure. The clicks from all the buttons are easy to actuate and feel good. However, the increments of the scroll wheel are a bit soft and don't offer precision scrolling.

7.5
Design
Comfort Of Use
Right-handed
No
Left-handed
No
Ambidextrous
Yes
Grip Width
64 mm

The ergonomics of this mouse are good. Its long and large body makes it comfortable for a wide variety of hand grips. This design is also fully ambidextrous thanks to the two side buttons on each side of the mouse. You can also invert the left and right-click buttons in the software.

Design
Palm Grip: Hand Size Recommendation
Palm Grip: Small Hand
No
Palm Grip: Medium Hand
Yes
Palm Grip: Large Hand
Yes
Palm Grip: X.Large Hand
Yes

People with small hands might have a bit of difficulty reaching the mouse wheel and the front side buttons.

Design
Claw Grip: Hand Size Recommendation
Claw Grip: Small Hand
No
Claw Grip: Medium Hand
Yes
Claw Grip: Large Hand
Yes
Claw Grip: X.Large Hand
Yes

Just like with a palm grip, the front side buttons and the scroll wheel might be a bit harder to reach for people with smaller hands.

Design
Fingertip Grip: Hand Size Recommendation
Fingertip Grip: Small Hand
No
Fingertip Grip: Medium Hand
No
Fingertip Grip: Large Hand
Yes
Fingertip Grip: X.Large Hand
Yes

The Corsair M55 RGB Pro's wide back makes it hard for people with small and medium hands to have nice control over the mouse with a fingertip grip.

0
Design
Wireless
Bluetooth
No
Receiver
No
Battery Type
No Batteries
Use When Charging
No
On/Off Activation
None

This mouse is wired-only and can't be used wirelessly.

6.0
Design
Cable
Cable Length 6.1 ft (1.9 m)
Braided
Yes
Port Type: Mouse End
No Port
Port Type: PC End
USB

The Corsair M55 RGB Pro's cable is fairly rigid and keeps a lot of kink from the packaging. It's quite similar to some Razer mice.

Design
In The Box

  • Corsair M55 RGB Pro mouse
  • Manuals
  • Control
    Control
    Sensor
    Sensor Technology
    Optical (LED)
    Works On Glass
    No
    8.3
    Control
    Click Latency
    Click Latency: Receiver
    N/A
    Click Latency: Bluetooth
    N/A
    Click Latency: Wired
    12 ms

    The Corsair M55's click latency is very low and most gamers won't notice any delay when playing games. The mouse clicks feel very responsive.

    9.4
    Control
    Performance
    Minimum CPI (DPI)
    200 CPI (DPI)
    Maximum CPI (DPI)
    12400 CPI (DPI)
    CPI (DPI) Adjustment Steps
    100 CPI (DPI)
    CPI (DPI) Error
    -0.9 %
    Mouse Acceleration
    No
    Lift Off Distance
    3.6 mm
    Maximum Polling Rate
    1000 Hz

    The Corsair M55 RGB Pro's performance is very good. It has a wide CPI range that can be customized inside its software. You can also switch its polling rate between 125-250-500-1000Hz. However, its lift-off distance is noticeably higher than most gaming mice, which is sub-par. Also, the mouse seems to overshoot with slow movement and undershoot with fast movement, which averages out at an excellent CPI error. This isn't ideal for users as the sensitivity changes when using the mouse at different speeds, which is unwanted.

    8.5
    Control
    Buttons
    Buttons Activation
    Mechanical
    Number Of Buttons
    8
    Number Of Programmable Inputs
    8
    Profile Switching Button
    Yes
    CPI (DPI) Switching Button
    Yes

    You can easily program each of the Corsair M55's buttons in its software. It has a dedicated CPI switch button on top of the mouse, but you'll have to program a profile switching button in the software if you want it.

    6.0
    Control
    Mouse Wheel
    Vertical Wheel
    Physical
    Vertical Wheel Incremented
    Yes
    Vertical Wheel Unlock Button
    No
    Vertical Wheel Tilt
    No
    Horizontal Wheel
    None
    Horizontal Wheel Incremented
    No horizontal Wheel

    The Corsair M55 RGB Pro's scroll wheel has very soft increments, which don't provide the best feedback for precise scrolling.

    Operating System And Software
    8.5
    Operating System And Software
    Compatible Software Option
    Software Name Corsair iCUE
    Software Windows Compatibility
    Yes
    Software macOS Compatibility
    Yes
    Account Needed
    No
    On-Board Memory
    No
    CPI (DPI) Adjustment
    Yes
    Polling Rate Adjustment
    Yes
    Profile Configuration
    Yes
    RGB On/Off
    Yes

    The Corsair iCUE software allows you to customize the RGB lighting, the performance settings, and save different profiles for the mice. You can also disable either the left or right side buttons, or use all four.

    10
    Operating System And Software
    Mouse Compatibility
    Windows Compatibility Fully
    macOS Compatibility Fully

    Excellent compatibility. Since the software is available on Windows and macOS, you can customize the mouse's settings to your preference on both operating systems.

    Compared to other mice

    The Corsair M55 RGB Pro is a good gaming mouse, but unfortunately, its sensor seems to be a bit inconsistent, making it a worse choice than similar products with a better sensor. On the upside, the mouse is rather lightweight, without having an ultra-light honeycomb pattern. It also has two sets of side buttons, which is great, but might not be enough for MMO players. See our recommendations for the best gaming mice, the best wireless gaming mice, and our overall top picks for the best mice. If you're interested in Corsair products, also check out the best Corsair mice.

    Razer DeathAdder Elite
    SEE PRICE
    Amazon.com

    The Razer DeathAdder Elite and the Corsair M55 RGB Pro are very similar mice, but the DeathAdder has better overall performance due to the M55's inconsistent sensor sensitivity. The DeathAdder shape and size is also better suited for a wider variety of hand sizes and grips, due to its right-slanted design. Its lift-off distance is also noticeably lower. On the other hand, the M55 will be a better option if you want to use your mouse left-handed, and it has more inputs thanks to two side buttons on each side of the mouse.

    Logitech G203
    SEE PRICE
    Amazon.com

    The Logitech G203 is better than the Corsair M55 RGB Pro. Its sensor is more accurate and consistent and it feels slightly more durable. However, the G203's low-profile might not be ideal for everyone and will be better suited for smaller hands than the Corsair. The Logitech's cable is also better and doesn't feel as stiff, but the M55 has two sets of two side buttons, while the G203 only has one of its left side.

    Corsair M65 RGB Elite
    SEE PRICE
    Amazon.com

    The Corsair M65 RGB Elite is a better mouse than the Corsair M55 RGB Pro. The M65 is better-built thanks to its aluminum frame, but it's a bit heavier as well. Also, its sensor is more consistent and doesn't seem to undershoot or overshoot depending on the mouse's movement speed. On the other hand, the M55 has two side buttons on each side, giving it a true ambidextrous design, while the M65 only has side buttons on its left side.

    Corsair Scimitar Pro RGB
    SEE PRICE
    Amazon.com

    The Corsair M55 RGB Pro is very different than the Corsair Scimitar Pro RGB. The M55 will be better suited for FPS games while the Scimitar will be better for MMO games thanks to its 12-button side panel. The Scimitar is also noticeably heavier but feels better-built thanks to its aluminum body.

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