How do I change DPI on the Razer Viper?

You can change Razer Viper DPI using the DPI button on the bottom of the mouse or through Razer Synapse 3 software. Synapse lets you set custom DPI from 100 to 20,000 DPI.

What DPI do pro Valorant players use on the Razer Viper?

Most professional Valorant players using the Razer Viper use 400-800 DPI with 0.25-0.45 in-game sensitivity, resulting in an eDPI of approximately 200-360.

Razer Viper DPI Settings Guide – Best DPI for Gaming (2026)

Q: What DPI should I use for the Razer Viper?

For FPS gaming, 400-800 DPI is recommended. The Razer Viper's Focus+ optical sensor excels at these low DPI values. For general use, 1600-3200 DPI is comfortable.

Razer Viper Series — Sensor Specs

100–20,000

Viper Ultimate DPI

100–8,500

Viper Mini DPI

8,000 Hz

Viper 8K Polling

Focus+

Optical Sensor

5

DPI Stages

71g

Weight (Viper)

The Razer Viper series uses Razer's Focus+ optical sensor, which is renowned for its zero-smoothing, zero-acceleration, and zero-filtering performance. The ambidextrous design makes it popular across a wide range of grip styles.

Best Razer Viper DPI Settings by Game

Game	Recommended DPI	In-Game Sensitivity	eDPI Range
Valorant	400 – 800	0.25 – 0.45	200 – 360
CS2 / CS:GO	400 – 800	1.5 – 2.5	600 – 2,000
Apex Legends	800 – 1,600	1.0 – 1.5	800 – 2,400
Overwatch 2	800 – 1,600	3.0 – 6.0	2,400 – 9,600
Fortnite	400 – 800	0.06 – 0.12 (X/Y)	Variable
MOBA / RTS	1,600 – 3,200	High	High
General Use	1,000 – 1,600	—	—

eDPI Tip: Use our eDPI Calculator to calculate your effective DPI from your Viper's DPI and in-game sensitivity. This lets you compare your settings to pro players regardless of which game you play.

How to Change DPI on Your Razer Viper

Method 1: Hardware DPI Button

Press the DPI cycle button (located below the scroll wheel on the Viper, or on the bottom of the Viper Mini) to cycle through your saved DPI stages. The Chroma lighting briefly changes color to indicate which stage is active.

Method 2: Razer Synapse 3 Software

Download and install Razer Synapse 3 from razer.com
Open Synapse and click on your Viper in the device list
Go to Performance → Sensitivity
Click on any DPI stage to edit it (values from 100 to 20,000)
You can also enable DPI Stages and configure up to 5 stages
Click Save to apply

Verifying Your Actual DPI

Once you've set your DPI, verify it with a physical measurement using our free Mouse DPI Test tool. This confirms your Viper is actually outputting the DPI value shown in Synapse. The Razer Focus+ sensor performs optimally at native DPI values: 400, 800, 1600, 3200, 6400, 12800.

Also test your polling rate — the standard Viper supports 1,000 Hz while the Viper 8K supports 8,000 Hz for ultra-responsive input.

Frequently Asked Questions — Razer Viper DPI

What DPI should I use for the Razer Viper for Valorant?

Most Valorant professionals use 400–800 DPI. At 800 DPI, a sensitivity of 0.30–0.40 gives an eDPI of 240–320, which is the "sweet spot" for most competitive players. Calculate yours with our eDPI Calculator.

Is the Razer Viper Mini good for low DPI?

Yes — the Viper Mini's 8,500 DPI Focus sensor performs excellently at 400–800 DPI. Its lightweight 61g body is actually better suited for low DPI (large arm movements) than heavier mice, making it a favorite for FPS players.

Does Razer Viper 8K polling rate affect DPI accuracy?

Higher polling rate improves input responsiveness but doesn't change your DPI value. At 8,000 Hz, the Viper 8K sends 8,000 reports per second to your PC, reducing input lag from 1ms (1,000 Hz) to 0.125ms. Verify your DPI independently using our DPI test tool.

How do I test if my Razer Viper DPI is correct?

Use our Mouse DPI Test: place a ruler next to your mouse, enter the distance you'll move it, drag on the ruler track, then compare the result to your Synapse setting. Disable Windows "Enhance Pointer Precision" before testing for accurate results.

Razer Viper DPI Settings Guide (2026)