When comparing Corsair Vengeance M65 vs Razer Ouroboros, the Slant community recommends Corsair Vengeance M65 for most people. In the question“What is the best gaming mouse?” Corsair Vengeance M65 is ranked 48th while Razer Ouroboros is ranked 67th.
Specs
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Pros
Pro Sturdy mouse wheel
Pro Aluminium base with configurable weights
Pro Interesting futuristic design
The Corsair Vengeance M65 has a very interesting futuristic look to its design. With its metal core to the 3 plastic pieces on the outside of the frame and the over-sized scroll wheel.
Pro Hybrid wireless/wired mouse
The Razer Ouroboros is a dual wired/wireless mouse so that when the device may be running low on battery the user can just plug it in.
Pro Swappable side magnetic panels
There are swappable magnetic side panels comprised of two thumb grip and two finger rest panels. This allows for users to customize the size and shape to their liking.
Pro Rechargeable (and removable) AA battery
There is an included rechargeable AA battery that offers 12 hours of gaming time. It can also be swapped with another battery if needed.
Pro Ambidextrous
The Razer Ouroboros is and ambidextrous device so left or right handers can use it equally.
Cons

Con Bad Palm Grip
With a design that is not ergonomic at the back and side buttons that are so far out it is not a recommended mouse for a mouse user who prefers palm grip.
Con Has input lag and smoothing
Being that this device is using a laser sensor there is expected lag and smoothing.
Con Expensive
At $149.99 this is a pretty expensive device, even if it is wireless.
