Razer DeathAdder V4 Pro
Full specifications from our spec database — measured values, not marketing copy
- Sensor
- Razer Focus Pro 45K
- Max DPI
- 45K
- Polling rate
- 8000 Hz
- Shape
- Ergonomic
- Main switches
- Razer Optical Gen-4
- Button force
- —
- Suited grips
- Palm / Claw
- Weight
- 56 g
- Dimensions (L×W×H)
- 12.8 × 6.8 × 4.4 cm
- Size class
- Large
- Connection
- Wireless
- Price
- Not tracked — we don't publish prices we can't verify
Pros using this mouse 3 pros in our CS2 database run this mouse — tap any card for their full settings, crosshair and viewmodel
Falcons Esports 
FaZe Clan 
Our take 163 pros — and NiKo was at Razer's HQ helping engineer this one
The DeathAdder is the closest thing gaming mice have to a Toyota Corolla. Twenty million units sold. The same right-handed ergonomic shape, refined over three generations, recognizable from across a LAN hall. NiKo — 10 international Counter-Strike championships, the most decorated rifler of his generation — joined Team Razer specifically to develop the V4 Pro, and spent the first half of 2025 testing prototypes in official matches and traveling to Razer's Singapore HQ to work with the engineers directly. That's not a sponsored banner. That's a player writing the spec.
The DeathAdder V4 Pro is the first mouse to ship Razer's HyperSpeed Wireless Gen-2 — 63% more power-efficient than the previous generation, 37% lower latency, and a true 8000Hz polling rate in both wired and wireless modes. The Focus Pro 45K Gen-2 sensor pushes tracking to 900 IPS and 85G acceleration. The new Optical Mouse Switches Gen-4 rate 100 million clicks with a redesigned crisp actuation; the Optical Scroll Wheel is the first optical encoder ever shipped in a competitive mouse, three times more durable than mechanical scroll wheels. At 56g black / 57g white, the V4 Pro is more than 10% lighter than the V3 — and the entire shell was re-engineered to use 67%+ bio-based and recycled plastics without giving up the iconic shape.
The short version: the most famous ergonomic shape in competitive FPS, redesigned for 2025 with every modern spec NiKo and Spinx could ask for. If you palm grip with large hands and want Razer's best work, this is it.
Two honest caveats. The V4 Pro is genuinely large at 12.8 cm long with a 6.8 cm width and a 4.4 cm hump — small hands will find the hump forces them out of a fingertip grip they wanted. Razer has the DA V3 HyperSpeed and DA V3 Pro Wired for smaller hands, but the V4 Pro is not one of them.
And the DeathAdder lineage carries the same iconic shape as every prior generation, which means if you didn't love it on the V2, you won't love it now.
Who it's for
- Large-handed palm grippers (~19–21 cm) who want Razer's most refined ergonomic shape. The hump fills the palm in a way no symmetrical mouse can match.
- Counter-Strike players who follow NiKo or Spinx. The V4 Pro was built with their feedback integrated into every gram and every click.
- Players who want 8kHz wireless with long battery life. 150 hours at 1000Hz is the best in this category; you'll trade some of that at 8kHz but the ceiling is real.
- Anyone who has been on a DeathAdder for years. The shape didn't change; the engineering did.
Who should skip it
- Small-handed players (~17 cm or less). The hump is too tall. Razer has smaller DeathAdder variants; this is the large flagship.
- Fingertip grippers. The V4 Pro wants to be palm-gripped. Symmetrical Viper line is the answer.
- Anyone who wanted Razer's "boring reliable" wireless. The V4 Pro is the loudest of the lineup — Esports Green, RGB scroll, hemispherical dongle with LEDs.
Alternatives to consider
Each is a real pick, not filler — with one concrete reason to choose it over this mouse.
Older shape, no software, no RGB, 4kHz polling, 60g. If you wanted the DeathAdder's palm fill without the software ecosystem, the EC2-DW is the no-nonsense alternative.
EC2-DW →Same Razer engineering, symmetrical shape, 2g lighter. If you actually wanted the spec sheet and not the ergo shape, this is the same house.
Viper V3 Pro →Older Logitech flagship in the same size class. If you wanted a large flagship and don't care about ergo specifically, this is the counterpart to compare against.
G Pro X Superlight (1st gen) →More from Razer
FAQ
How involved was NiKo in designing the DA V4 Pro?
Deeply — this isn't a logo deal. NiKo joined Team Razer specifically for the V4 Pro, tested prototypes from January 2025 in official matches, and flew to Razer's Singapore HQ to work directly with engineers on weight distribution, button feel, and handling. Razer's press release quotes him on that process; Spinx, an 8-time CS champion, also fed in feedback. Players wrote this spec.
How did Razer get a DeathAdder down to 56g?
Three levers: an over-10% shell weight cut vs the V3 Pro, 67%+ bio-based and recycled plastics re-engineered for strength, and HyperSpeed Wireless Gen-2's lower power draw letting the battery shrink without losing life. The iconic ergonomic shape — the part that matters — was kept dimensionally identical; the weight came out of the internals and materials.
Is the optical scroll wheel on the V4 Pro a gimmick?
It's Razer's first optical scroll encoder in an esports mouse, rated 3.3× more reliable than mechanical designs. What you notice in game: no notched detents degrading over time, and consistent tactile feedback when you need to swap weapons mid-fight. It's not a headline feature you'll feel every round — it's durability you'll appreciate in year two.
Where does the 150-hour battery come from?
HyperSpeed Wireless Gen-2. It's 63% more power-efficient than the previous generation — the mouse polls at up to 8000Hz but sips power at 1000Hz, where Razer quotes 150 hours. Running flat at 8000Hz cuts that to about 22 hours (Razer's NiKo Edition page cites 22h at 8K). The 150h figure is the 1000Hz number; pros at tournaments mostly run 1000Hz anyway.
Why is the DA line's ergonomic shape so famous?
Over 20 million units sold across the line's lifetime makes it the best-selling ergonomic gaming mouse family ever. The shape debuted in 2006 and the right-handed palm-filling curve has been refined rather than redesigned since — pros and fans know exactly what they're getting. The V4 Pro keeps that shape dimensionally and re-engineers everything else around it.