The Corsair Nightsword V2 Wireless should feel like an upgrade, but I'm quite upset to see that it's lost a key selling feature of the original model | Tech Radar

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The Corsair Nightsword V2 Wireless should feel like an upgrade, but I'm quite upset to see that it's lost a key selling feature of the original model

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The Corsair Nightsword V2 Wireless is a surprise sequel of sorts, showing up to the party almost seven years after the launch of the original Nightsword RGB. Sadly, this new model has nixed the greatest selling point of its predecessor – an adjustable weight tuning mechanism – as well as failing to fix some of the first Nightsword's issues. While it's still a generally decent ergonomic gaming mouse, I just don't think it does enough to set itself apart from the competition.

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Corsair Nightsword V2 Wireless: Two-minute review

I really wanted to like the Corsair Nightsword V2 Wireless. I've had good experiences with Corsair's mice in the past – having been a big fan of both the M65 Ultra RGB and the Scimitar Elite Wireless SE – so I was hopeful that the new Nightsword would be a contender for our ranking of the best gaming mice.

For those not in the loop regarding Corsair's wide range of gaming mice, the original Nightsword launched nearly seven years ago. Needless to say, I wasn't really expecting another model, but I suppose if The Witcher 3 can get a new expansion more than a decade after its release, anything is possible.

The problem I'm having with the Nightsword V2 is that it doesn't really feel like a 'version 2' of its predecessor. For starters, the design has been changed a fair bit, with the RGB lighting scaled back and the thumb button layout slightly altered. It still maintains the ergonomic overall shape with a nice, comfortable thumb rest, but it's ditched the indent pattern that covered the original mouse.

All that wouldn't cause me to dislike this mouse, though. The problem is that the Nightsword RGB had one very cool feature: adjustable weight tuning. Six mounting points and two different sets of miniature metal weights allowed you to adjust the overall weight of the mouse, with nifty software that automatically detected the mouse’s center of gravity in real time, allowing you to fine-tune your experience to make the mouse feel perfect for you.

It was one of the key selling points of the Nightsword RGB, and Corsair focused heavily on it in its marketing. But in the Nightsword V2, it's nowhere to be found; gone, reduced to atoms.

It's a real shame, because I liked that addition a lot. Not enough gaming mice have tunable weight. It made the Nightsword feel more unique, and removing that feature makes the V2 feel... well, a bit bland, if I'm being honest.

It's certainly not a bad gaming mouse, with an ergonomic chassis that sits comfortably in the hand and a high-quality sensor for fast-paced gaming, but I'd fundamentally struggle to recommend it over some other more exciting options out there. Sorry Corsair, but this one feels like a step backward, not forward.

Corsair Nightsword V2 Wireless: Price & availability

While you could pay more for a gaming mouse these days, the Corsair Nightsword V2 Wireless certainly isn't cheap. Clocking in at

Although it's a technical upgrade from the original Nightsword RGB, the removal of the tunable weight features stings even more at this price point. Considering that there are plenty of other gaming mice on the market with comparable specs, it's difficult to justify recommending the Nightsword V2 Wireless specifically over similar offerings from other manufacturers, or even Corsair itself.

The Nightsword V2 Wireless is available now in all regions, either directly from Corsair or from assorted third-party retailers.

Thumb button grouping may be frustrating for some users

As I noted further up, this feels like a very different mouse from the original Nightsword – though at first glance, they appear quite alike.

Corsair has stripped back the RGB lighting a bit for the Nightsword V2, with the only RGB zones now being the scroll wheel, the Corsair logo, and an odd little strip on the raised rear underside edge of the mouse that isn't even visible most of the time. Feels like a bit of a waste of an LED to me, but it doesn't feel worth penalizing Corsair for that.

I'll start with the parts I liked. Removing the indent pattern from the Nightsword V2's predecessor was definitely a wise move, as those tiny grooves were just begging to be filled with grime after months of regular use. The main body of the mouse that rests beneath your palm now has a smooth matte finish, with a pattern of raised texturing (rather than the old indentation) on either side to help improve grip. The skates are standard PTFE, which offers a good amount of glide on traditional mouse mats and hard desktop surfaces.

In terms of buttons, we've got 11 in total: the two main mouse buttons, a scroll wheel with both a regular click function and left-right tilt inputs, one multifunction button behind the scroll wheel, three thumb buttons (one of which is the 'sniper button'), and two extra vertically-aligned buttons beside the left mouse button, which turn the sensitivity up and down by default. All of these are fully programmable in Corsair's i Cue software or Web Hub, so there's a good degree of versatility here for users who like to tweak their mouse inputs.

You also get plenty of flexibility in terms of sensor control and connectivity. The Corsair Nightsword V2 Wireless supports tri-mode connectivity, with a physical switch on the underside of the mouse letting you easily swap between Bluetooth, wired, and direct wireless connections (with a bundled USB-A dongle and adapter as well as a power cable). There's also a slot on the underside that can house the dongle, making it easy to take the Nightsword V2 Wireless on the go.

The Corsair Marksman S sensor supports up to 33,000 DPI, and this mouse also includes up to 8,000 Hz polling rate support (though not in Bluetooth mode), both of which can be tweaked to your liking in i Cue – though for my money, 8K polling is a bit of a gimmick that will only really benefit the absolute highest tier of skilled esports players.

The whole thing feels pretty durable and well-constructed, sitting comfortably in the hand for palm and claw grip styles. Fingertip grippers should be advised that mice with thumb rests are simply not designed for them, so you probably shouldn't have clicked on this review in the first place – go buy yourself the excellent Logitech G Pro X2 Superstrike instead.

The buttons are sturdy with a good degree of tactile feedback, though I wasn't overly impressed by the scroll wheel; there's no free-scroll mode, and it lacks the firm motion bump of higher-quality scrollers. The grouping of the buttons on the side of the mouse is also a little awkward, at least for users with large hands like me; while trying to use the sniper DPI button in Valorant and Marathon, I kept accidentally hitting the thumb button immediately above it, using a noisy ability when I was trying to quietly take aim at enemy players. Having scanned through the digital archives of several other reviewers, it seems that thumb button positioning was a bit of a frustration with the original Nightsword too, so it's a shame to see this issue hasn't been addressed.

Of course, I have to further discuss Corsair's baffling decision to eliminate the tunable weight feature of the Nightsword. As someone who loves the Logitech G502 Lightspeed Wireless so much I've bought two of them, due in part to its magnetic tunable weight system, I can't help but feel that Nightsword V2 Wireless could have been a serious competitor to my favorite mouse.

All the other features I like from the G502 Lightspeed are there: a thumb rest, a sniper button, tilt wheel inputs, and a dongle for low-latency wireless connectivity. But removing the weighting system means I can no longer find the perfect balance of heft and handling that I love about my G502, and I'm left simply confused as to why Corsair would remove it for this new iteration of the Nightsword.

At the end of the day, this is a mostly well-designed mouse with a few noticeable foibles, but I can't help but dream of what could have been. It no longer feels like the Nightsword has anything to set itself apart from the crowd, or even from Corsair's own selection of mice; the ergonomic design with a thumb rest is shared by Corsair's M65, Dark Core, and Ironclaw models, for example.

Oh, and as Tech Radar's resident southpaw, I have to note that there's no left-handed model available here. I'm pretty sure they call us lefties because we're left out so often – even if I've personally managed to adapt to using my mouse right-handed.

No noticeable input latency even in 1K polling mode

In practical use, the Corsair Nightsword V2 Wireless is perfectly competent and comfy to use for extended periods thanks to its ergonomic shape and thumb rest. I'm a palm-type grip user, and I didn't have any issues whatsoever with hand or finger strain even after a solid six-hour run in Marathon (the new season is about to start, and I had priority contracts to finish, alright?)

I tested the Nightsword V2 in both 1K and 8K polling rate modes, and frankly didn't notice much of a difference whatsoever – but to be clear, that's not really an outright criticism, as I found the mouse to be highly responsive both in terms of movement and clicks regardless of which polling mode I was in.

I prefer a fairly high DPI, especially for shooters, and the sensitivity here is great. High-skill users who want a really sensitive mouse may want to look for one with a 40K+ DPI sensor (which will probably cost you more), but the 33K Marksman S sensor in the Nightsword V2 ought to be plenty for the majority of PC gamers.

Aside from the issue I mentioned further up regarding the tight grouping of the thumb buttons leading to potential misinputs, I found that the buttons generally felt great. With optical switches for minimal input latency and improved longevity, the main mouse buttons have a decent amount of travel and a firm, satisfying click. The same goes for virtually every other button on the mouse; no cheap, flimsy feeling or wobbliness here.

I actually quite liked the feel of the sniper button (when I wasn't accidentally firing off an ill-timed energy blast instead of lining up a headshot, anyway). It has a good tactile response, so I know when it's been clicked even with my headset on during a noisy firefight, but it doesn't require much force at all to actuate, meaning that it's easy to hold down for careful aiming.

I did have to remap some of the default button settings, because having the DPI up/down adjustment set to the two side finger buttons just didn't feel right – I opted for the typical setting of the button behind the scroll wheel to swap between DPI presets instead.

The good news about remapping is that you no longer need to install Corsair's i Cue software to tweak your peripherals. It's still available, but like a few other PC hardware manufacturers (including Razer), Corsair now offers a fully functional in-browser web app.

The Corsair Web Hub, which I mentioned earlier in this review, allows you to access all the usual software-level modifications for your Corsair devices all within an super-simple browser page. As someone who has long bemoaned the plethora of proprietary software tools for PC peripherals, it's immensely refreshing to be able to do everything I want to do in a regular browser tab, with no downloads required. I arguably can't really say that this is a point in favor of the Nightsword V2 specifically, but good work on the new Web Hub, Corsair.

Lastly, the battery life on the Nightsword V2 Wireless is seriously good, with Corsair rating it for up to 170 hours of use. Across seven days of regular use (more than eight hours a day on average, since I used the Nightsword V2 both for my daily work and gaming after hours), I didn't need to charge it once after my initial testing with the wired configuration.

Should you buy the Corsair Nightsword V2 Wireless?

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The ergonomic design is comfortable in the hand and whole mouse feels durable, but the thumb buttons are too close together and the lack of tuneable weight is a real shame.

The ergonomic design is comfortable in the hand and whole mouse feels durable, but the thumb buttons are too close together and the lack of tuneable weight is a real shame.

The Nightsword V2 is snappy and responsive with nice tactile clicks from its optical switches, and also offers a long battery life.

The Nightsword V2 is snappy and responsive with nice tactile clicks from its optical switches, and also offers a long battery life.

While it's a mechanically decent mouse that will appeal to fans of ergonomic designs, the Nightsword V2 simply doesn't do enough to stand out against the competition.

While it's a mechanically decent mouse that will appeal to fans of ergonomic designs, the Nightsword V2 simply doesn't do enough to stand out against the competition.

You want something comfortable The ergonomic shape and thumb rest make the Corsair Nightsword V2 Wireless a comfy mouse to use for long gaming binges.

You want lots of buttons 11 programmable buttons (including scroll wheel tilt inputs) mean you can do a lot of different things at once with this mouse – great for MMO and MOBA players.

You don't want to charge your mouse often With up to 170 hours of battery life and customizable sleep options in the Corsair Web Hub, the Nightsword V2 can go for days and days without needing to be plugged in.

You liked the original Despite being a reasonably good gaming mouse, the Nightsword V2 throws away the most unique feature of the Nightsword RGB.

You're a fingertip gripper The elevated thumb positioning of fingertip-style mouse grips is ill-suited for the ergonomic thumb rest design of the Nightsword V2 Wireless.

You’re left-handed Granted, this applies to more than two-thirds of the gaming mice on the market, but it's still a shame for lefties.

It's a few years old now, but if it ain't broke, don't fix it. The MX Master 3S is simply one of the best ergonomic mice money can buy, making it a strong alternative to the Nightsword V2 if you're specifically looking for a mouse built for comfort. Read our full Logitech MX Master 3S review.

If you're a PC gamer looking for something a little more serious, the Deathadder V4 Pro from Razer packs low-latency optical switches like the Nightsword V2 but also delivers much higher maximum sensitivity thanks to its 45K DPI sensor. Read our full Razer Deathadder V4 Pro review

How I tested the Corsair Nightsword V2 Wireless

As usual for peripheral reviews, the Corsair Nightsword V2 Wireless became my regular mouse for just over a week while I was testing it out, replacing my daily driver, the Logitech G502 Lightspeed Wireless.

I used it every weekday for my regular work at Tech Radar, which in terms of how I use my mouse, is mostly just clicking stuff in my browser and sometimes highlighting text. More pertinently, I used it to play a whole bunch of games: Warframe, Marathon, Valorant, Overwatch, and Apex Legends all currently feature in my regular gaming rotation, and I also used it for Slay the Spire II – though I doubt it had my impact on the quality of my gameplay in that particular title. I'm still really bad at the Necrobinder.

Christian is Tech Radar’s UK-based Computing Editor. He came to us from Maximum PC magazine, where he fell in love with computer hardware and building PCs. He was a regular fixture amongst our freelance review team before making the jump to Tech Radar, and can usually be found drooling over the latest high-end graphics card or gaming laptop before looking at his bank account balance and crying.

Christian is a keen campaigner for LGBTQ+ rights and the owner of a charming rescue dog named Lucy, having adopted her after he beat cancer in 2021. She keeps him fit and healthy through a combination of face-licking and long walks, and only occasionally barks at him to demand treats when he’s trying to work from home.

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• The Corsair Nightsword V2 Wireless should feel like an upgrade, but I'm quite upset to see that it's lost a key selling feature of the original model

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