| Feature | Specification |
| Sensor | HERO 16K Optical (100–16,000 DPI) with 1:1 tracking, zero smoothing/filtering/acceleration; upgradable to 25,600 DPI via firmware |
| DPI Range | 100 – 16,000 DPI (via hardware); up to 25,600 DPI via firmware |
| Max Tracking Speed | Over 400 IPS |
| Max Acceleration | Over 40 G |
| Polling Rate | 1000 Hz (1 ms) |
| USB Data Format | 16 bits per axis |
| Microprocessor | 32-bit ARM |
| Buttons | 6 programmable buttons |
| Button Durability | Approx. 20 million clicks (mechanical/spring button tensioning) |
| Lighting | LIGHTSYNC RGB (16.8 million colors, synced to game/audio/screen effects) |
| Weight | 87.3 g (mouse only); includes removable 10 g weight |
| Dimensions (L×W×H) | 124 × 68 × 43 mm |
| Cable | 2.1 m braided USB cable |
| Side Grips | Dual-injected rubber grips |
| Software | Logitech G HUB (DPI profiles, button mapping, lighting) |
| Onboard Memory | Yes—stores profiles directly on the mouse |
| Support OS | Windows 7+, macOS 10.11+, Chrome OS |
G403 enters the ring with the next-gen HERO 25K sensor. Get ready for a mouse with next-level 1:1 tracking, 100-25,600 max DPI sensitivity range, and zero smoothing, filtering, or acceleration.
Meet the next-generation HERO 25K Sensor, our most advanced sensor ever, with 1:1 tracking, 400+ IPS, and 100-25,600 max DPI sensitivity — plus zero smoothing, filtering, or acceleration.
Game-driven, full-spectrum RGB lighting responds to in-game action, audio, and screen color, synchronizing across G gear. Customize lighting animations and effects from ~16.8M colors using G HUB gaming software, and personalize to match your rig.
Supreme Comfort and Quality
G403 is lightweight and comfortably designed to mold to your hand with rubber grips for added control. An optional 10 g removable weight lets you tune the weight to your preferences.
Configure 6 programmable buttons using Logitech G HUB software to simplify in-game actions. Customize your DPI sensitivity setting from 100 - 25,600 DPI. Choose pixel-precise, low-sens targeting to lightning-fast maneuverability.
With a 1ms response time, G403 is up to 8x faster than standard mice not designed specifically for gaming, delivering near-instantaneous moves and clicks. G403 also features advanced metal-spring button tensioning, keeping the primary left and right mouse buttons poised to trigger with less force. That means exceptional button feel, response, and consistency with every click.
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