Our Verdict
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.
- Good build quality.
- Can be used left-handed.
- Low click-latency.
- Inconsistent sensitivity.
- Stiff cable.
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.
- Good build quality.
- Can be used left-handed.
- Low click-latency.
- Inconsistent sensitivity.
- Stiff cable.
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.
- Good build quality.
- Can be used left-handed.
- Low click-latency.
- Inconsistent sensitivity.
- Stiff cable.
The Corsair M55 RGB Pro is a very good mouse for ultra-light gaming, although it's not 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.
- Good build quality.
- Can be used left-handed.
- Low click-latency.
- Inconsistent sensitivity.
- Stiff cable.
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.
- Good build quality.
- Can be used left-handed.
- Low click-latency.
- Inconsistent sensitivity.
- Stiff cable.
Changelog
- Updated Oct 19, 2020: Converted to Test Bench 1.0.
- Updated Jan 17, 2020: Review published.
- Updated Jan 13, 2020: Our testers have started testing this product.
- Updated Jan 13, 2020: Early access published.
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Popular Mouse Comparisons
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.
The Razer DeathAdder Elite and the Corsair M55 RGB Pro are very similar mice, but the Razer has better overall performance due to the Corsair's inconsistent sensor sensitivity. The Razer's shape and size are 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 Corsair 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.
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. 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 truly ambidextrous design, while the M65 only has side buttons on its left side.
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.
The Logitech G203 Prodigy is better than the Corsair M55 RGB Pro. Its sensor is more consistent, and it feels slightly more durable. However, the Logitech'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 Corsair has two sets of two side buttons, while the Logitech only has one on its left side.
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