The Razer Viper is a lightweight gaming mouse with an ambidextrous design. Thanks to its short and low-profile body, the mouse's shape is suitable for most hand sizes when using a fingertip grip, but people with small hands may struggle to reach the mouse clicks and scroll wheel. It has extremely low click latency, a wide and adjustable CPI range, and a very low lift-off distance. It's similar to the Razer Viper Ultimate, but the Viper is wired-only. Unfortunately, its cable isn't very flexible, and its customization software is available on Windows only.
Our Verdict
The Razer Viper is good for office use. While it doesn't have an ergonomic shape like some dedicated office mice, it should still feel very comfortable for most hand sizes using a claw or fingertip grip, but people with small or medium hands may also be comfortable with a palm grip. It feels very well-built and has many buttons you can reprogram to fit your needs; unfortunately, its customization software isn't available on macOS. Also, it isn't wireless, and some people might find the cable cumbersome.
- Feels excellently well-built.
- Comfortable, ambidextrous design.
- Four programmable side buttons.
- Cable not as flexible as some other options.
- Wired-only design may be cumbersome.
- Software not compatible on macOS.
The Razer Viper is excellent for FPS gaming. It has extremely low click latency and feels responsive. It's surprisingly very light for a mouse without a honeycomb design and feels excellently well-built. Also, its body has a low profile that is great for a fingertip grip, but small hands may struggle to reach some buttons. It has a wide and adjustable CPI range, a high polling rate, and a low lift-off distance. However, the cable is a bit stiff and might create some drag.
- Feels excellently well-built.
- incredibly low click latency.
- Wide and adjustable CPI.
- Comfortable, ambidextrous design.
- Cable not as flexible as some other options.
- Software not compatible on macOS.
The Razer Viper is very good for MMO gaming, but it doesn't have nearly as many side buttons as dedicated MMO mice. However, it has extremely low click latency, a wide and customizable CPI range, and a low lift-off distance. It feels excellently built and very comfortable, but people with larger hands may struggle with a palm grip.
- Feels excellently well-built.
- incredibly low click latency.
- Wide and adjustable CPI.
- Comfortable, ambidextrous design.
- Cable not as flexible as some other options.
- Software not compatible on macOS.
The Razer Viper isn't designed for traveling. This wired mouse won't be ideal to use in tight spaces like a plane and isn't very portable.
- Feels excellently well-built.
- Very light.
- Cable not as flexible as some other options.
- Wired-only design may be cumbersome.
- Software not compatible on macOS.
Changelog
- Updated Aug 16, 2023: We've added a link to the newly-reviewed Razer Cobra in the Shape section of this review.
- Updated Sep 16, 2022: We've converted this review to Test Bench 1.3. This update adds a new Sensor Latency test and makes minor changes to several of our existing tests, resulting in test result changes in several sections. For more information, you can check out our full changelog here.
- Updated Aug 15, 2022: We've converted this review to Test Bench 1.2. This update simplifies our Weight test and expands on our CPI test from Test Bench 1.1, resulting in changes to test results in both sections. For more details, you can see our complete changelog here.
- Updated Jun 22, 2022: We've updated this review to Test Bench 1.1, which revamped our click latency test methodology. We've updated the text to reflect our new results in various sections, including the Click Latency test box, Usages, Introduction, and other locations where we discuss click latency.
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Popular Mouse Comparisons
The Razer Viper is an excellent gaming mouse that sets itself apart by its design. While it doesn't have a honeycomb pattern to reduce its weight, it's almost as lightweight as some that do. It's also very similar to the Razer Viper Ultimate, but it can't be used wirelessly.
For other options, see our recommendations for the best gaming mice and the best wired mice, and if you'd prefer a wireless design, also check out the best wireless gaming mice.
The Razer Viper and the Razer DeathAdder V2 are very similar performing mice, and their main differences are shape and weight. The Viper has a lower profile body, while the V2 has a higher back hump. The Viper is also lighter than the V2 and has an ambidextrous design, while the V2 is slightly heavier and has a right-handed design.
The Razer Viper is overall a better mouse than the Razer Basilisk, but the Basilisk might be a better choice if you're right-handed and prefer using a palm grip. The Viper has an ambidextrous design that is noticeably lighter, and it has a lower click latency and a better cable. On the other hand, the Basilisk is suitable for all hand sizes when using a palm grip thanks to its ergo-shaped design with a thumb rest on its left side.
The Razer Viper performs similarly to the GLORIOUS Model O and is almost just as light, even though it doesn't have a honeycomb pattern to reduce its weight. The Viper has two side buttons on each side, and its body is slightly smaller than the GLORIOUS. However, if you have small hands, the GLORIOUS is also available in a smaller size, called the GLORIOUS Model O-. Also, the GLORIOUS cable is noticeably lighter and more flexible than the Razer.
The Logitech G Pro Wireless and the Razer Viper are excellent gaming mice that perform similarly, though the Logitech is made for FPS gaming, while the Razer is an ultra-light gaming mouse. The Logitech is a great fit for most hand sizes and grip types, and it can be used wired or wirelessly with its USB receiver. On the other hand, the Razer is wired-only, but it’s lighter and feels more comfortable overall. Both options have the same number of buttons, comparable sensors, and low click latency.
Test Results
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