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Gamexplore > Hardware > Razer Deathadder V4 Pro review – the new ergonomic gaming mouse king
Hardware

Razer Deathadder V4 Pro review – the new ergonomic gaming mouse king

September 10, 2025 25 Min Read
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25 Min Read
Razer Deathadder V4 Pro review - the new ergonomic gaming mouse king
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Table of Contents

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  • Verdict
  • Specs
  • Options
  • Software program and mouse setup
  • Design and luxury
  • Efficiency
  • Battery life
  • Worth
  • Options
  • Verdict

Verdict

With an extremely low weight, blazing-fast new wi-fi tech, clickier switches, and a bunch of different tweaks and enhancements, the Razer Deathadder V4 Professional does sufficient to take the title of finest ergonomic gaming mouse. Its enhancements are refined, although, and it is a very costly mouse.

Execs

  • Class-leading sensor and wi-fi efficiency
  • Nice battery life
  • Modern design
  • Very mild
  • Subtly improved ergonomics
Cons

  • Very costly
  • Comparatively few options
  • Irritating energy button
  • Very loud switches

The Razer Deathadder is likely one of the longest-running and best-selling strains of gaming mice on this planet. Over the many years, the main target of the mouse has modified consistent with gaming developments, with this newest model, the Razer Deathadder V4 Professional, being an ultra-lightweight wi-fi mouse centered on aggressive gaming. One factor that hasn’t modified a lot in all that point, although, is the form of this mouse, with it retaining the tried and trusted massive, curvaceous, ergonomic form that is much-loved, simply with a couple of tweaks.

As an everyday entrant on our greatest gaming mouse information through the years, hopes are excessive for this newest model, however with Razer slapping a higher-than-ever value on this mouse, whereas conserving its bodily options checklist pretty brief, it nonetheless has lots to show. I have been utilizing it as my major mouse for work and play for the previous couple of weeks to see the way it really holds up, whether or not it is offering consolation for a day of labor or a couple of too many rounds of CS2 or The Finals within the night.

Why you’ll be able to belief our recommendation ✔ At , our specialists spend hours testing {hardware} and reviewing video games and VPNs. We share sincere, unbiased opinions that can assist you purchase one of the best. Discover out how we take a look at.

Specs

Razer Deathadder V4 Professional specs
SensorFocus Professional 45K Optical Sensor Gen-2 optical
Buttons5 on prime, one beneath
SwitchesRazer Optical Mouse Switches Gen-4
DPI50-45,000
Weight55g
ConnectionsRazer Hyperspeed Wi-fi Gen-2, wired
Polling priceAs much as 8kHz
BatteryAs much as 150 hours at 1kHz
As much as 22 hours at 8kHz
ExtrasUSB-C dongle, USB-A to USB-C cable (6.5ft / 2m)
Worth$169.99 / €179.99 / £169.99

Options

Razer has packed the brand new Deathadder V4 Professional with its newest sensor and wi-fi tech and tweaked the mouse’s design to be lighter and extra user-friendly than ever. Nonetheless, by way of uncooked bodily options, it is a very fundamental mouse.

It has 5 buttons on its prime (left, proper, scroll click on, again, ahead) with no DPI button on the highest or some other extras. That is a reasonably widespread association as of late for esports-focused gaming mice, however Razer has taken this formulation a step additional on the underside. Right here, we frequently discover a sliding energy swap, a DPI button, and, within the case of mice such because the Cherry Xtrfy MZ1, a number of different buttons for tweaking the mouse’s capabilities. Right here, although, there’s only a single button, to save lots of weight.

razer deathadder v4 pro review 11

This lone clicker is used to energy the mouse on and off when held down, in addition to cycle via DPI ranges when tapped. It is a mixture that basically works, and was seen on the earlier V3 Professional model of this mouse, however I discovered it surprisingly irritating.

It takes noticeably longer to show the mouse on or off in comparison with simply shifting a sliding swap, and it is simply fiddly sufficient to carry down (particularly provided that the mouse tends to need to slip out of your hand when held the wrong way up with a button being pressed) that I might considerably commonly not maintain it down lengthy sufficient. This resulted in both nothing occurring or simply altering the DPI as an alternative of turning off the mouse.

This state of affairs may need been alleviated considerably if Razer had added some extra distinguished and everlasting RGB lighting. Right here, you do get one LED on the entrance of the mouse, and it does mild up whenever you energy on the mouse, but it surely’s hidden on the highest, the place it isn’t seen whereas turning the mouse on, and it turns off a second after you energy up the mouse.

razer deathadder v4 pro review 06

This may increasingly all sound trivial, particularly in case you really feel such as you seldom flip your mouse off and again on, however in case you have a second mouse that you simply use for work, or have to journey along with your setup, it is surprisingly irritating. For a mouse this costly, it barely places me off.

Elsewhere on the options entrance, this mouse features a USB-C port on its entrance that can be utilized to cost the interior battery when you keep it up gaming with a wired connection to your PC.

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When it isn’t utilizing a wired connection, the Deathadder V4 Professional takes benefit of maybe this mouse’s most distinguished characteristic, which is its new wi-fi dongle. As an alternative of a standard USB-A dongle that you would be able to plug straight into your PC, Razer has made its new dongle a comparatively massive, weighted desktop puck into which you plug the mouse’s light-weight, braided cable. This makes it much less handy to make use of with laptops – whether or not you are utilizing top-of-the-line gaming laptop computer choices from our information or not – but it surely does make sure the dongle is not simply knocked round your desk.

razer deathadder v4 pro review 07

Razer has additionally chosen to take this route, as this dongle is a high-end sort that may ship 8kHz polling charges, and these gadgets are usually bulkier than conventional mouse dongles. We have seen fairly a couple of mice lately supply bigger 8kHz dongles as non-compulsory extras, however right here Razer has completed away with a smaller, extra fundamental 1kHz possibility fully.

In addition to boasting a excessive peak polling price, the dongle and mouse use Razer’s new Hyperspeed Wi-fi Gen-2 connection, which Razer claims delivers twice the bandwidth of its earlier connection system and offers a 0.291ms common latency. That is practically half the latency of Razer’s Gen-1 Hyperspeed tech (at 8kHz) and practically 1 / 4 the latency of different 8kHz wi-fi tech, in response to Razer.

On the entrance of the dongle are three lights that point out the connection energy, battery degree, and polling price of the mouse (you’ll be able to select to run it at 125Hz all the way in which as much as 8,000Hz, with decrease polling charges boosting battery life). These will all glow inexperienced when all is effectively or the polling price is maxed out, dropping to yellow, orange, and crimson as these figures fall off. You may also change the task in software program, having one mild present the DPI degree, or simply having them turned off.

razer deathadder v4 pro review 05

That is about it for exterior bodily options, however contained in the mouse, there are extra developments. In addition to the corporate’s newest Focus Professional 45K sensor (sure, that is a doable 45,000 DPI) that may monitor at as much as 900 inches per second and at 85G of hand acceleration, the left and proper buttons use Razer’s newest Gen-4 optical switches, and the scroll wheel is an optical unit too.

The brand new switches can declare 100M-click life spans, and Razer has deliberately made them even clickier-sounding than earlier fashions – some extent I am going to broaden on later. The scroll wheel, Razer claims, is 3.3x longer-lasting than mechanical scroll wheels, too. Having had a couple of mice undergo from failing wheels lately (after a few years of service), I can attest to this doubtlessly being a worthwhile improve.

Software program and mouse setup

Razer Synapse returns to handle the capabilities of this mouse, and it is largely a straightforward expertise to get going. You may simply customise all of the buttons and arrange HyperShift assignments, which is the place the buttons carry out a special perform when the HyperShift button is pressed. You may assign the HyperShift button to be one of many mouse buttons, however given there are so few, you most likely will not need to do that. Annoyingly, nevertheless, you’ll be able to’t then assign HyperShift to a traditional keyboard mixture, for example, except you even have a Razer keyboard.

razer deathadder v4 pro review 13 synapse 2

Within the Efficiency part, you’ll be able to assign as much as 5 totally different DPI ranges, choose to have a excessive polling price solely kick in when video games are operating in full-screen mode, and use the sensitivity matcher to tune the V4 Professional’s sensitivity to match the texture of one other mouse.

razer deathadder v4 pro review 14 synapse 3

In the meantime, within the Energy part, you’ll be able to select the sleep time (one to fifteen minutes) and the low energy mode. The Calibration part permits you to tune the mouse to a specific mouse pad floor, whereas Superior permits you to arrange Dynamic Sensitivity, which is the place the sensitivity of the mouse will change relying on the velocity at which you are shifting it.

razer deathadder v4 pro review 15 synapse 4

Elsewhere within the software program, you’ll be able to assign totally different profiles to totally different video games, file macros, and obtain the Chroma app for managing the RGB lighting on different Razer {hardware} – the one mild on this mouse does not work with Chroma.

razer deathadder v4 pro review 12 synapse 1

Total, it is a complete choice that makes it straightforward and intuitive to arrange the mouse along with your most popular efficiency for a spread of conditions. The automated profile switching for when sure video games are launched is a very neat characteristic, regardless that I in the end discovered I used the identical settings for all video games.

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Design and luxury

The defining side of any Razer Deathadder mouse is its form. It deploys an asymmetrical, barely sloped form that broadly can be thought-about for a palm grip model, the place your complete hand drapes over the mouse, but it surely nonetheless works for different grip types as effectively.

In comparison with a symmetrical mouse such because the Razer Viper, or a very small fingertip grip-focused mouse, such because the Xtrfy MZ1, the bigger, curvier type of the Deathadder permits for a extra relaxed grip that helps your palm and does not require you to twist over your forearm so far as flatter mouse shapes. This bigger form does not permit as a lot freedom of motion beneath your hand as different designs, although, barely limiting its attraction for a fingertip grip.

razer deathadder v4 pro review 03

Though the core of the design hasn’t modified in years, Razer is eternally tweaking it, and this newest model packs a couple of modifications from the earlier model. These embrace a notable drop in weight from 64g to 56g, whereas the burden distribution of the mouse has been tweaked too. I did not have a V3 Professional handy throughout my testing, in order that I might straight evaluate them, however the low weight is actually spectacular for such a comparatively massive mouse, and the stability of the mouse does really feel nice too – it does not need to tip ahead or again when it is picked up.

Razer has additionally strengthened the facet partitions of the mouse a bit to provide it a extra inflexible really feel and scale back any doable creaks from flexing plastic. A tweak has additionally been made to the facet buttons, with a pronounced hole now added between them, making it a lot simpler to tell apart between them whereas centering your thumb.

The notching on the scroll wheel is a bit more outlined as effectively, and maybe probably the most notable change is that Razer has amped up the clicky sound and really feel on the primary left and proper buttons. Razer instructed us that it consulted with professional avid gamers when designing this tweak, and their suggestions indicated that they wished to have a extra pronounced click on, and boy has Razer delivered.

razer deathadder v4 pro review 10

Press the left or proper button down, and there is a distinctly louder, lower-toned click on than any of the handfuls of different mice I’ve handy. There’s typically additionally a higher-pitched metallic overtone. Launch your finger, and there is a matching clunk because the swap returns to place. You may actually sense that the mouse is kind of hole and a bit bigger than some, with the clicking seemingly reverberating across the shell.

What’s extra, with the best button specifically, in case you click on and launch the button, lifting your finger totally off it, there’s an virtually bell-like high quality to the clicking. It is just like the distinction between holding a vase on the base and tapping it to supply a clear tone, and holding it across the center to dampen the sound – this button actually rings out.

razer deathadder v4 pro review 02

One closing tweak is that Razer has beefed up the glide pads/ft on the underside of the mouse. The V3 Professional has three fairly small major pads, however right here there are two a lot bigger ones, together with the small pad that surrounds the sensor.

The general impact of all these modifications is a mouse that before everything feels impressively nimble, significantly contemplating its barely bigger form than some ultra-lightweight designs. Its stability is superb, it glides effortlessly, and also you actually know whenever you’ve clicked its buttons.

As a predominantly fingertip-grip gamer, nevertheless, the form of this mouse does not really feel prefer it offers any profit to me for gaming in comparison with the likes of the G Professional X Superlight 2, MZ1, or numerous different barely lower-slung, symmetrical designs which have extra room for the mouse to maneuver below your hand. Nonetheless, your mileage could, in fact, differ.

razer deathadder v4 pro review 04

What I did discover is that, for palm and claw grip types, I really stay a bit unconvinced of the sort of form. Specifically, the rear left portion of the mouse simply sits at odds with how I maintain a mouse. The best way this space initiatives out means it simply interferes with the fleshy half on the base of my thumb. I discover the identical problem with the Logitech G Professional X Superlight 2 Dex.

In distinction, ergonomic mice such because the Logitech MX Grasp and G502 X Plus have a form that tapers in additional on the again. I discover this a much more pure match for my hand when utilized in extra of a palm grip model. In consequence, I really discover the Deathadder V4 Professional most snug to make use of when held at a 20-degree counter-clockwise angle.

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It is also notable that, in case you have considerably massive palms like mine – they’re 20cm, or simply shy of 8-inches, from base of the wrist to tip of the center finger – utilizing a palm grip on this mouse places its scroll wheel far too low again below your center finger, to the purpose the place you’ll be able to’t attain it with out shifting your complete hand backwards. You will want palms at the very least an inch shorter to comfortably attain the scroll wheel with a full palm grip.

Efficiency

The mix of the ridiculously succesful sensor and lightning-fast wi-fi tech on this mouse ends in successfully flawless efficiency. That is a sense that is true of the overwhelming majority of high-end gaming mice from the previous couple of years, with sensors and wi-fi tech being so good now, however the 8K wi-fi polling price right here, specifically, does permit for a bit bit extra of a smoother really feel in video games with very excessive body charges. When you’re used to taking part in CS2, Valorant, or The Finals at effectively over 240Hz, you might simply be capable to discern the quicker replace price of this mouse over a 1kHz or decrease mouse.

Extra impactful are the refined tweaks to the buttons and scroll wheel. Fairly other than the loud click on, the primary buttons really feel very well balanced between needing a forceful press to activate – so you do not click on them by accident – however with out feeling like an excessive amount of effort is required. The scroll wheel button can also be straightforward to activate with out knocking the wheel – not the case on the G Professional X Superlight 2 Dex, for example – and the newly separated facet buttons actually do assist to maintain a agency and centered grip.

Battery life

Razer has bumped up the battery life on the Deathadder V4 Professional by 50% over its predecessor, boasting a 150-hour life at 1kHz polling charges. It has additionally elevated life at 8kHz, though this solely strikes from 20 hours to 22 hours.

In observe, which means that for peak-level gaming, you are still going to want to recharge this mouse each two or three classes, however for lesser classes operating at 1kHz or decrease, it comfortably lasts per week between costs. In two weeks of all-day use (principally work at 1kHz with a handful of hours gaming per week at 8kHz), I solely charged the mouse as soon as.

Worth

The Razer Deathadder V4 Professional value is $169.99, making it a really costly gaming mouse, regardless of its modest total characteristic set. Nonetheless, this value continues to be roughly aggressive with different top-tier choices from competing manufacturers, such because the Logitech G Professional X Superlight 2.

Options

Logitech G Professional X Superlight 2 overview (non Dex).” data-logo=”https://www./wp-content/websites/pcgamesn/2025/09/logitech-g-pro-x-superlight-2-dex-affiliate.jpg” data-gamename=”” data-affmerchant=”” data-affprevprice=”” data-affprice=”” data-affctatext=”VIEW DEAL – Logitech G Professional X Superlight 2″ data-afflink=”$179.89 – Amazon” data-affmessage=”Community N Media earns affiliate fee from qualifying gross sales.” data-widget-type=”star”>

Logitech G Professional X Superlight 2 overview (non Dex).” data-logo=”https://www./wp-content/websites/pcgamesn/2025/09/logitech-g-pro-x-superlight-2-dex-affiliate.jpg” data-gamename=”” data-affmerchant=”” data-affprevprice=”” data-affprice=”” data-affctatext=”£107.09 – Amazon” data-afflink=”https://www.amazon.co.uk/gp/offer-listing/B07W5JKP66/ref=dp_olp_ALL_mbc?ie=UTF8&situation=ALL&tag=pcgamesn0f-21″ data-affmessage=”Community N Media earns affiliate fee from qualifying gross sales.” data-widget-type=”star”>

Razer Viper V3 Professional overview. ” data-logo=”https://www./wp-content/websites/pcgamesn/2025/09/razer-viper-v3-pro-affiliate.jpg” data-gamename=”” data-affmerchant=”” data-affprevprice=”” data-affprice=”” data-affctatext=”$159.97 – Amazon” data-afflink=”https://www.amazon.com/gp/offer-listing/B0CW25XR5R/ref=dp_olp_ALL_mbc?ie=UTF8&situation=ALL&tag=pcgamesn-20″ data-affmessage=”Community N Media earns affiliate fee from qualifying gross sales.” data-widget-type=”star”>

Razer Viper V3 Professional overview. ” data-logo=”https://www./wp-content/websites/pcgamesn/2025/09/razer-viper-v3-pro-affiliate.jpg” data-gamename=”” data-affmerchant=”” data-affprevprice=”” data-affprice=”” data-affctatext=”£121.21 – Amazon” data-afflink=”https://www.amazon.co.uk/dp/B0CSPN2G5Z/ref=olp-opf-redir?aod=1&ie=UTF8&situation=ALL&tag=pcgamesn0f-21″ data-affmessage=”Community N Media earns affiliate fee from qualifying gross sales.” data-widget-type=”star”>

Verdict

The Razer Deathadder V4 Professional is undoubtedly one of the best ultralight, ergonomic-shaped wi-fi gaming mouse available on the market proper now. Its mixture of a tried and trusted form, very low weight, the very newest sensor and wi-fi tech, and simply sufficient refined design tweaks to enhance its usability over the V3 Professional makes it the one to get in case you like this model of mouse, and also you additionally need the final word in gaming efficiency for first-person shooters, specifically.

best gaming mouse - razer deathadder v4 pro

In comparison with its largest rival, the Logitech G Professional X Superlight 2 Dex, the V4 Professional is lighter, has quicker polling, better-feeling switches, a significantly better scroll wheel, and an much more succesful sensor. The precise real-world distinction of all these elements is comparatively small, however of the 2, it is the one I might purchase, besides if I already owned, or was tempted to purchase, a Logitech PowerPlay 2 mouse pad.

In any other case, there is not any denying that the worth right here is questionable for a lot of avid gamers. At $170, it is a very costly mouse with comparatively few options. Whereas the Logitech is almost as costly, there are a lot of different manufacturers with extra reasonably priced choices, even when they don’t seem to be fairly as filled with the most recent tech.

For extra on what keyboard or mouse mat is finest to pair along with your alternative of mouse, try our greatest gaming keyboard and finest gaming mouse pad guides.

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