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  1. Hardware
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  3. Gaming Mice

The Razer Viper V4 Pro refreshes the line with "faster and more consistent aim," lower weight, super-fast sensor, and boosted battery

News
By Tabitha Baker published 24 March 2026

49g and 50,000 DPI

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Razer Viper V4 Pro gaming mouse on a black mat
(Image credit: Razer)
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Sneki has refreshed its popular FPS-first range with the new Razer Viper V4 Pro, taking the same recipe as the previous V3 Pro and adding a boosted 50K optical sensor and running battery life up to 180 hours. That's one hell of a tracker - DPI aside, this Focus Pro eye can hit 930 IPS tracking speeds with 90G acceleration - beating Logitech's Hero 2 sensor pretty easily.

With its sights set on some of the best gaming mouse models around, the Viper V4 Pro is more of an update to the original formula than an entire redesign. Unlike the Logitech G Pro X 2 Superstrike, positioned by Razer's competitor as an endgame adjustable esports mouse, the Viper doubles down on speed. It's available now for $159.99 / £159.99 via Razer.

Razer Viper V4 Pro | $159.99 at Razer

Razer Viper V4 Pro | $159.99 at Razer
The Razer Viper V4 Pro launches today at the same $159.99 MSRP as we saw on the V3 Pro. That's slightly cheaper than its main competitor, the Logitech G Pro X2 Superstrike ($179.99) in the US, but the same price in the UK.

UK: £159.99 at Razer

View Deal

Weighing in at just 49g it's one of the lighter entries to the competitive market from a mainstream brand. While the Corsair Sabre V2 Pro Ultralight is still going to feel nippier under the hand at 36g, Razer's not too far off ultra-levels of weightlessness here and it's still packing that hefty sensor inside.

930 IPS is the fastest I've seen on a high-end flagship to date, which should make for smooth, reliable tracking even during the most hectic of moments. Whether or not anyone needs that 50K DPI spec is up for debate, but safe to say this is a mouse positioned directly at high-intensity esports affairs.

Elsewhere the Viper V4 Pro updates the rodent's mouse clicks, with Gen-4 switches matching those of the Razer DeathAdder V4 Pro. Replacing the Gen-3 options on the Razer Viper V3 Pro, I found these clackers to offer a slightly crisper feel under the hand. Razer also states that they're good for a 100-million click lifecycle with no debounce delay.

Razer Viper V4 Pro gaming mouse with main clicks highlighted in green

(Image credit: Future)

Is the Razer Viper V4 Pro going to be worth the upgrade for anyone already on the Viper or DeathAdder bandwagon? It's unlikely. These are solid upgrades, but they're iterative and, especially if you're not playing at the top of your eSports league, they're not going to make a night and day difference to your speed, reliability, or final ranked position. If you feel the Viper V3 Pro's clicks are a little softer than you'd like, or you're after the biggest battery life in the lightest shell possible, there could be an in here.

  • See all gaming mice at Razer
Razer DeathAdder V4 Pro
Best gaming mice 2026
My top recommendations

1. Best overall: Razer DeathAdder V4 Pro

2. Best value: Razer Basilisk V3

3. Best budget: Logitech G203 Lightsync

4. Best wired: Endgame Gear OP1 8K

5. Best ambidextrous: Corsair M75 Wireless

6. Best lightweight: Corsair Sabre V2 Pro Ultralight

For more setup options, check out the best gaming keyboards and the best gaming headsets on the market. We're also hunting down all the best gaming monitors as well.

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TOPICS
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CATEGORIES
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Tabitha Baker
Tabitha Baker
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Managing Editor - Hardware

Managing Editor of Hardware at GamesRadar+, I originally landed in hardware at our sister site TechRadar before moving over to GamesRadar. In between, I've written for Tom’s Guide, Wireframe, The Indie Game Website and That Video Game Blog, covering everything from the PS5 launch to the Apple Pencil. Now, i'm focused on Nintendo Switch, gaming laptops (and the keyboards, headsets and mice that come with them), PS5, and trying to find the perfect projector. 

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