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The Razer Viper V4 Pro is a 49g wireless esports mouse with a 50K DPI sensor, 8K polling, and optical switches for ultra-low latency competitive play.
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Categories : Series
SKU : POR-SER-278
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The Razer Viper V4 Pro is the pinnacle of esports engineering—a 49g ultra-lightweight wireless mouse refined with input from pro players. It combines a Focus Pro 50K DPI optical sensor, Razer HyperSpeed Wireless Gen-2 with true 8K polling, and Gen-4 optical switches for unmatched speed and reliability. Built for PC and Mac, it’s the definitive choice for gamers who demand zero compromise.
At just 49g, this mouse delivers lightning-fast flicks and hours of fatigue-free play. The symmetrical shape is trusted by professionals, while the textured side grips ensure a secure hold. Every detail is optimized for competition.
With a true 8000 Hz polling rate, input lag drops to a mere 0.125ms—55% lower than previous generations. HyperSpeed Wireless Gen-2 ensures a stable, interference-free connection, giving you a competitive edge in fast-paced action.
The third-generation Focus Pro sensor tracks up to 930 IPS with 90G acceleration, and Frame Sync aligns sensor data with your PC for pixel-perfect aim. Adjust DPI in 1-step increments via Razer Synapse 4 on PC or Mac.
Gen-4 optical switches provide a crisp tactile click with a 100-million-click lifespan, eliminating double-click issues. Battery life stretches up to 180 hours at 1000 Hz or 45 hours at 8K polling—so you can play longer without charging.
Outfit your setup with the Razer Viper V4 Pro and experience the speed that wins championships.
49g featherweight design for rapid, fatigue-free swipes
True 8000 Hz polling with HyperSpeed Gen-2 for 55% lower latency
Focus Pro 50K DPI sensor with 1-DPI steps for pixel-perfect aim
Color: Black
Model: Viper V4 Pro
Sensor: Focus Pro 50K DPI Optical Sensor Gen-3
Switch: Gen-4 Optical Switches (100M clicks)
Weight: 49g (without cable)
Included: Mouse, grip tape, HyperSpeed wireless dongle, USB-A to USB-C cable
DPI Steps: 1 DPI increments
Dimensions: 5.0 x 2.3 x 1.5 in (127 x 58 x 38 mm)
Battery Life: Up to 180 hours at 1000 Hz; 45 hours at 8000 Hz
Connectivity: Razer HyperSpeed Wireless Gen-2, USB-C wired
Polling Rate: Up to 8000 Hz (wireless)
Product Type: Wireless Esports Mouse
Compatibility: PC and Mac (Razer Synapse 4)
Seller: PortSide Gear
MPN: Viper V4 Pro
Razer Viper V4 Pro is built for the big stage. Its 49g shell is reinforced with a resilient internal frame, surviving the most intense matches. The HyperSpeed dongle offers a 2.4GHz connection with minimal interference, and the USB-C cable doubles as a charging and wired-play option. Optical scroll wheel delivers precise, tactile feedback for weapon switching. With on-board memory for up to 5 profiles, you can take your settings anywhere. It's the mouse that top pros choose to win.
Use Razer Synapse 4 on PC or Mac, go to the Performance tab, and select 8000 Hz under Polling Rate. Ensure the mouse is in wireless mode with the dongle for the highest polling rate.
Yes, it is compatible with Mac via Razer Synapse 4 for full customization, including DPI and polling rate settings.
At 8000 Hz polling, the battery lasts up to 45 hours; at 1000 Hz, it lasts up to 180 hours.
Yes, you can use it wired via the USB-C cable, which also charges the battery.
I've used many gaming mice, and this is the best. 49g is insane – it feels like you're not holding anything. The 8K polling rate makes movement incredibly smooth, especially on a high-refresh monitor. Battery life is great too.
Coming from a G Pro Superlight, the Viper V4 Pro feels even lighter and more precise. The optical switches are crisp, and the sensor tracks flawlessly. No need for any other mouse.
The mouse performs perfectly, but it's a bit smaller than I prefer. I have large hands, so it took some getting used to. If you use a claw grip, it's probably perfect. Otherwise, consider other options.
This mouse gives me confidence in my aim. The 50K DPI is overkill, but the high polling rate and low weight make a real difference in fast-paced shooters. I also love that it's USB-C. The battery lasts for days even at 8K. Definitely worth the upgrade.
So light it feels like a toy. Love it.
The mouse is fantastic, but the software (Razer Synapse) is a bit bloated. I just set my DPI and polling rate, then uninstalled it. The build quality is top-notch, and the black finish looks sleek.
I wanted to like this mouse, but the shape doesn't fit my grip style. It's very light, which is nice, but I prefer a more ergonomic shape. Also, at 8K polling, the battery drains faster, so I stick to 4K. It's a good mouse, just not my cup of tea.
After trying several wireless mice, I've settled on this one. The weight is perfect for long gaming sessions, the sensor is flawless, and the optical switches feel responsive. The 8K mode is buttery smooth on my 240Hz monitor. No regrets.
My aim has never been better. The low weight makes micro-adjustments easy.
The performance is excellent, but the side buttons are a bit small and hard to reach for my thumb. Other than that, it's a stellar mouse.
I've been through Logitech, Steelseries, and Razer's previous mice. This is the one. The 49g weight is a game-changer, and the Focus Pro sensor tracks perfectly on any surface. The 8K polling gives a tangible advantage in games. Battery life is decent, and the USB-C charging is convenient. If you're serious about esports, get this.
I was super excited about this mouse, but after two weeks, the left button started double-clicking randomly. I updated the firmware, but the issue persists. I'm sending it back for a replacement. For this price, it should be flawless.
