Corsair’s Sabre v2 PRO Ultralight Wireless is the mouse that makes you question how much mass you actually need under your hand. At 36 grams, it feels like someone hollowed out your expectations and left only performance behind. I don’t play eSports ladders—I live in single‑player shooters, strategy games, and the occasional MMO—but I do care about a mouse that disappears in use. This one vanishes.
The first surprise is the weight. Most “ultralight” claims are marketing; 36g is reality-breaking. For context, Asus’s ROG Harpe Ace II lands roughly mid‑40s to low‑50s grams depending on variant, and Razer’s DeathAdder V4 Pro is well north of that, built for ergonomic comfort over grams. Swapping between them, the Sabre’s micro‑adjustments require less effort—like the cursor is eager, not heavy.
If you’re accustomed to a sculpted ergo hump like the DeathAdder, Sabre’s low, symmetrical shell will feel flatter and more fingertip‑centric. As a palm‑grip default, I still found the 119 mm length and gentle curves workable, but it’s obviously tuned for claw and finger grips. Harpe Ace II sits higher and suits ambidextrous fans; the Sabre sits lower and suits speed.
Sensor performance is the next anchor. Corsair’s MARKSMAN S claims true 33,000 DPI, 750 IPS tracking, and 50G acceleration. In plain English: it stays precise, doesn’t skip, and copes with frantic swipes without drama. I’d put it in the same confidence tier as Razer’s Focus Pro and Asus’s AimPoint sensors—no jitter, no phantom acceleration, just obedient tracking.
With Sabre, I felt what I call “quiet precision”—the pointer moves exactly as you intend, then stops exactly where you expect. That matters as much in lining up a stealth headshot in Cyberpunk 2077 as it does for flicks in Valorant. It’s boringly excellent, which is the highest compliment for a sensor.
Latency tuning here is serious. The mouse supports up to 8,000 Hz polling—that’s updates every 0.125 ms. If you’re not chasing milliseconds, 1,000–2,000 Hz feels faultless and saves battery. If you are, the 8K mode is available and genuinely snappy. Against Harpe Ace II, which offers strong wireless and Bluetooth flexibility, Sabre’s dedicated 2.4 GHz plus 8K combo is impressive but notably lacking in Bluetooth. Against DeathAdder V4 Pro, which also has class‑leading wireless but more mass to move, Sabre simply feels faster because there’s less inertia to overcome.
Battery life is honest. Corsair quotes up to 70 hours at 1,000 Hz and around 16 hours at 8,000 Hz. That drop isn’t a flaw; it’s physics. I parked at 2,000–4,000 Hz and charged weekly. There’s no quick‑charge, but a full refill takes about 90 minutes over USB‑C, and you can play wired while charging so I wouldn’t be concerned.
Crucially, the wireless receiver isn’t just a dongle in a box—Corsair includes a clip designed to mount the receiver to your mouse pad or desk edge, so it sits inches from the mouse. Short radio path, less interference, more consistent high‑rate performance. It’s the kind of practical detail you don’t appreciate until you push polling and your inputs stay silky. Harpe’s Bluetooth is brilliant for laptop hopping; Corsair’s clip‑to‑pad receiver is brilliant for pure signal integrity. Pick your priority.
Software is blissfully light. Instead of a heavy install of iCUE, the Sabre uses Corsairs new Web Hub that runs in your browser. You can tweak DPI stages, lift‑off distance, polling rate, remap buttons, record macros, and update firmware without dragging your OS into bloatware purgatory. On‑device DPI changes are simple: hold right‑click and the back button to cycle, with the scroll wheel LED blinking a stage colour. There’s one onboard profile, which keeps things straightforward and, yes, focused. Asus and Razer both have mature software ecosystems; Corsair’s choice to go browser‑first matches the mouse’s “no baggage” philosophy.
Out of the box, the hardware extras are thoughtful. You get grip tape and an extra set of skates. The feet are UPE—durable and smooth—but not quite the glass‑on‑ice feel of premium PTFE. Glide on a good cloth pad is excellent, just with a touch more control. If you want slipperier, aftermarket PTFE is cheap and easy; the included larger replacement feet already improve glide and stability. In hand, switches feel crisp and consistent, with a scroll wheel that avoids the hollow rattle some ultralights suffer.
Price lands in familiar premium territory. In Australia, expect around A$169 depending on retailer and promos, which puts Sabre v2 PRO shoulder‑to‑shoulder with the Harpe Ace II and often under Razer’s top‑tier ergo options. Given the engineering to hit 36g without holes, a top‑tier sensor, proper 2.4 GHz wireless, legit 8K polling, the clip‑mounted receiver, and zero bloatware, that ticket price reads fair. If Bluetooth and macOS support matter, Harpe Ace II and Razer’s lineup offer broader connectivity; if sheer input feel and fatigue reduction matter, Sabre’s value lies in how little you notice it while working or playing.
Verdict
The Sabre v2 PRO is laser‑focused on speed and low fatigue. It’s lighter than the Harpe Ace II, faster to move than the DeathAdder V4 Pro, and priced well at around A$169 in Australia. It’s built really well with no discernable compromises and yet still packs a powerful punch that gives the big boys a run for the money. The biggest trade off in my opinion is the lack of Bluetooth connectivity but if you want a mouse that disappears and lets your aim do the talking, this is it.
Corsair Australia kindly provided the Sabre V2 Pro to PowerUp for the purpose of this review.
