Razer unveils Viper V4 Pro with 50K sensor, 8,000Hz polling, and an optical scroll wheel

The Razer Viper V4 Pro maintains the symmetrical shape of its predecessor while upgrading the internals. (Image credit: Razer)

Razer just announced a competitive gaming mouse that fixes several of the most annoying aspects of competing mice, including some older options from Razer. The newly announced Razer Viper V4 Pro promises better battery life, smoother gameplay, and crisper clicks.

The Viper V4 Pro gets up to 180 hours of battery life when set to 1,000Hz. That number dips to a still-impressive 45 hours when the mouse is set to 8,000Hz.

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Feature	Razer Viper V3 Pro	Razer Viper V4 Pro
Weight	54g	49g (Black) / 50g (White)
Sensor	Focus Pro 35K Optical (Gen-2)	Focus Pro 50K Optical (Gen-3)
Max DPI	35,000	50,000
Max Polling	8,000Hz (Wireless)	8,000Hz (HyperSpeed Gen-2)
Switches	Optical Gen-3 (90M clicks)	Optical Gen-4 (100M clicks)
Scroll Wheel	Mechanical Encoder	Optical Scroll Wheel
Battery Life	95 Hours (at 1,000Hz)	180 Hours (at 1,000Hz)
Launch Price	$159.99	$159.99

I'd say Razer didn't reinvent the wheel with the Viper V4 Pro, but that isn't exactly true. The Viper V4 Pro has an optical scroll wheel that's 3.3 times more reliable and consistent than a traditional mechanical design, according to Razer. Notably, the Viper V3 Pro has a mechanical scroll wheel.

The Viper V4 Pro also has Razer Optical Mouse Switches (Gen-4), which should last for more clicks.

Razer shaved a bit of weight when making the Viper V4 Pro. It's 9% lighter than the last gen.

Image of the Razer DeathAdder V4 Pro wireless gaming mouse. — Razer's redesigned dongle improves connectivity and provides information through LED lights. (Image credit: Windows Central | Zachary Boddy)

Even the dongle of the Viper V4 Pro is improved compared to that of the Viper V3 Pro. The dongle is larger and hemispherical, which Razer says improves connectivity and stability.

Razer debuted its hemispherical dongle with the Razer DeathAdder V4 Pro. In our review of that mouse, Zachary Boddy said:

"This may be my favorite single improvement Razer made with the DeathAdder V4 Pro, honestly, and I hope to see this dongle design come to all of Razer's most premium wireless accessories."

Well, their wish may be coming true, at least for high-end Razer mice.

Many of the changes introduced with the Viper V4 Pro would go unnoticed by most gamers. But if you want the best experience Razer to offer for competitive gameplay, the Viper V4 Pro is the mouse to grab.

Is the Razer Viper V4 Pro right-handed or symmetrical?

The shape of the Razer Viper V4 Pro is symmetrical, but the mouse is optimized for right-handed use due to its button placement.

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Sean Endicott is a news writer and apps editor for Windows Central with 11+ years of experience. A Nottingham Trent journalism graduate, Sean has covered the industry’s arc from the Lumia era to the launch of Windows 11 and generative AI. Having started at Thrifter, he uses his expertise in price tracking to help readers find genuine hardware value.

Beyond tech news, Sean is a UK sports media pioneer. In 2017, he became one of the first to stream via smartphone and is an expert in AP Capture systems. A tech-forward coach, he was named 2024 BAFA Youth Coach of the Year. He is focused on using technology—from AI to Clipchamp—to gain a practical edge.

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