Razer
Razer Viper V4 Pro
Overview
The Razer Viper V4 Pro is the 2026 flagship successor to the Viper V3 Pro, redesigned from the ground up with an ultra-light 49g frame, the new Focus Pro 50K Optical Sensor Gen-3, and Razer's fourth-generation Optical Mouse Switches rated for 100-million clicks. Featuring true 8000 Hz HyperPolling Wireless technology for 0.125ms response time, up to 180 hours of battery life, and the same trusted symmetrical shape refined with pro players, the Viper V4 Pro delivers the fastest, most responsive wireless esports experience Razer has ever engineered.
Key Highlights
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Ultra-light 49g symmetrical design — the lightest Razer Viper flagship at under 49g (Black) with precision-balanced weight distribution for rapid flick shots and fatigue-free marathon sessions
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Razer Focus Pro 50K Optical Sensor Gen-3 with 50,000 DPI, 750 IPS, 70G acceleration, and 99.8% resolution accuracy for pixel-perfect tracking across any surface
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Razer Optical Mouse Switches Gen-4 rated for 100-million clicks with 0.25mm actuation distance, zero debounce delay, and balanced pre/post-travel for crisp, tactile clicks
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True 8000 Hz HyperPolling Wireless via included dongle — 0.125ms report rate for wired-level responsiveness with virtually imperceptible latency
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Up to 180 hours battery life at 1000 Hz (45 hours at 8000 Hz) with USB-C charging, 100% PTFE mouse feet, and Razer Synapse 4 onboard profile storage
Technical Specifications
| Brand | Razer |
| Model | Razer Viper V4 Pro |
| Sensor | Razer Focus Pro 50K Optical Sensor Gen-3 (50,000 DPI, 750 IPS, 70G, 99.8% resolution accuracy) |
| Buttons | 6 programmable buttons (left/right click, scroll wheel click, 2 side buttons, DPI button) |
| Switches | Razer Optical Mouse Switches Gen-4 (100-million clicks rated, 0.25mm actuation) |
| Polling Rate | Up to 8000 Hz (with included Razer HyperPolling Wireless Dongle) |
| Weight | 49 g (0.11 lbs) — Black; 50 g (0.11 lbs) — White |
| Connectivity | Razer HyperSpeed Wireless Gen-2, USB-C Wired |
| Onboard Memory | 1 profile (onboard) for DPI settings, button configs, and polling rate |
| Dimensions | 127.1 x 63.9 x 39.9 mm |
| Color | Black, White |