Most computer mice come in right-handed designs that can be difficult for lefties to hold. Left-handed mice do exist, of course, but they're more of a niche product. Ambidextrous designs are a nice compromise because they can be used by people who favor either hand. Of course, even lefty or ambidextrous PC gamers don't just want a mouse they can hold; it needs to be good for gaming too.

Enter the Razer Diamondback. The Diamondback was one of Razer's first gaming mice all the way back in 2004. Razer has since updated its design a few times over the few years, with the 2015 edition launching only weeks ago. The new Razer Diamondback sports Chroma full-spectrum lighting, an amazing 16,000 DPI sensor, and of course, an ambidextrous design. Read on for our detailed review with video!

Getting in shape

The Diamondback measures 125 mm / 4.92 in (Length) x 60 mm / 2.64 in (Width) x 30 mm / 1.18 in (Height). The top and portions of the sides feature a mildly textured matte plastic surface that provides just the right amount of grip.

Both the left and right sides of the mouse have a recessed area just below the side buttons. You hold the mouse by putting your thumb and pinkie or ring finger into these grooves – sort of a claw grip. The grooves also happen to be covered in a very comfortable textured rubber coating. It feels great to the touch and prevents slippage.

Razer has made the Diamondback as comfortable to hold as possible, but there's only so much you can do with an ambidextrous design. Right- and left-handed mice are naturally more ergonomic, but an ambidextrous mouse requires a different grip. If you've never had this style of mouse, you'll have to adjust for a while. But it sure beats using a mouse with your off hand.

The Diamondback connects to your PC via a seven-foot braided USB cable. The male end of the cable has a Razer logo on one side.

Razer Diamondback Ambidextrous Gaming Mouse review

Even the buttons are symmetrical

On the top of the Diamondback, you'll find two gigantic primary buttons. Unlike the Razer Mamba and Mamba TE, the buttons are completely separate from the top shell of the mouse. They have a bit more of a groove to them as well, seemingly to complement the style of grip required with this design.

Between the main buttons lies the mouse wheel. The wheel has a rubber texture that makes it easy to grip and scroll in small increments. Pushing it in acts as a mouse button, though the wheel can't be clicked left or right. Not many programs support left and right clicks, but it would still be nice to have the option with a mouse at this price point.

Razer Diamondback Ambidextrous Gaming Mouse review

Both the left and right sides of the mouse have two buttons, just above the recessed grip area. The left side buttons act as Forward and Back in web browsers by default. The right side buttons raise and lower DPI (Dots Per Inch), drawing on user-selectable sensitivity settings from the Razer Synapse application. Naturally users can swap these functions if desired.

The ambidextrous side buttons make sense, but the pinky-side buttons are difficult to press while holding the mouse. I have to move my hand to hit them. Most people don't toggle sensitivity that frequently, so it shouldn't be a big deal.

Razer Diamondback Ambidextrous Gaming Mouse review

The world's fanciest mouse sensor

The new Diamondback features the same 16,000 DPI mouse sensor as Razer's Mamba mice. Pioneer manufactures the sensor. Razer has a timed exclusivity contract on it, so you really won't find a comparable mouse sensor for the next year or two.

16,000 DPI is incredibly fast – way faster than any normal user wants or needs. People with 4K displays and extra-large mouse mats could probably make use of that 16K setting for some high-speed gaming scenarios.

But hey, you don't need to max out the Diamondback's DPI to benefit from its top-notch sensor. The DPI can be adjusted by increments of one, a feature that no other brand offers. You can literally make this mouse as fast or slow as you want. Users can save five distinct sensitivity stages through the Razer Synapse software and then toggle between them at will using the side DPI buttons.

Razer Diamondback Synapse Software

Razer Synapse

Like other Razer PC products, Razer Synapse is required to get the most out of the Diamondback. The mouse does not store profiles and settings internally. Instead, all settings are saved through the cloud and accessed via Synapse. I understand that exporting settings to a USB stick is an option, but internal storage would obviously be better.

Still, the Synapse software is actually quite good. Setting up your sensitivity and lighting preferences is a snap. Players can create macros and even enable statistic and heatmap tracking for their mouse use, though those features are a bit much for me. A certain contingent of PC gamers reject Synapse out of principle, but I find it unobtrusive overall.

Razer Diamondback Synapse Software Chroma Configurator

Chroma lighting

Impressive performance aside, one of my favorite aspects of the Diamondback is its Chroma lighting support. Chroma is Razer's name for its 16.8 million color spectrum lighting technology.

The Diamondback has three basic lighting areas: The Razer logo on the palm surface, the sides of the mouse wheel, and a long strip that wraps all the way around the sides and back of the mouse. Additionally, the lighting for the strip can be adjusted in tiny increments.

Besides turning the lighting off, users can select from six lighting presets:

  • Custom: Use the custom Chroma profile you create.
  • Breathing: All of the mouse lights pulse up and down in intensity. You can't have one light pulse a different color than the others, but you can set the lights to alternate between two different colors.
  • Reactive: When enabled, any keypress or mouse click from the Diamondback or compatible device will cause all Chroma devices set to 'Reactive' to light up. Use this feature to make your mouse and other equipment flash when firing in a game or just whenever.
  • Spectrum Cycling: The mouse cycles between various colors.
  • Static: The mouse remains lit up with a single color of the user's choosing.
  • Wave: A series of colors flow down across the mouse lights.

Razer Diamondback Ambidextrous Gaming Mouse review

Why go ambidextrous?

As mentioned before, the Diamondback won't feel quite as comfortable in your primary hand as a mouse designed for that hand would. But that doesn't mean an ambidextrous mouse like this wouldn't be the best option for some users.

For starters, some people can actually use both hands equally well. These overachievers will enjoy being able to play games and perform other computer tasks from whichever hand they like. The Diamondback would also be a great fit for a multiple user scenario such as the family or office computer. And of course, lefties will find a lot to like with this mouse. Razer doesn't make a left-handed mouse with their 16,000 DPI sensor yet, so the Diamondback should serve that need in the meantime.

The Razer Diamondback has just about everything you could want in an ambidextrous mouse. It features comfy rubber grips, a symmetrical design with plenty of buttons, sexy Chroma lighting, and that kick-a sensor. The price is a bit high as gaming mice go, but the Diamondback won't let you down in features or performance.

Featured mouse surface: Razer Firefly Light-up Mouse Mat.

Buy the Razer Diamondback at Amazon ($89.99) Buy the Razer Diamondback at Amazon UK (£79.99)