Cougar 550M Gaming Mouse Review

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Looking Around the Cougar 550M

The Cougar 550M is a surprisingly large gaming mouse. It measures 5.31(L) X 2.76(W) x 1.77(H) / 135 X 70 x 45 mm and weighs 120 g making the 550M both longer and heavier than the Razer DeathAdder to which it seemingly bears a resemblance.


The Cougar 550M comes in two colors: Iron-Grey (part number CGR-WOMI-550) which is what we have for review and Metallic-Blue (part number MOC550M).

Cougar 550M Gaming Mouse

The metallic orange accents along the tail end and around the scroll wheel, the silver thumb buttons, black DPI cycle button, and black rubber textured scroll wheel and side grips are shared between the two editions of the 550M.Cougar 550M Gaming MouseCougar 550M Gaming Mouse

On the right side are two silver thumb buttons and the DPI level indicator lights. These RGB LED lights are one of two lighting zones on this mouse and each of these zones can be set to glow a different color in the Cougar UIX System software.Cougar 550M Gaming Mouse

When viewed from the side, we see that the contours of the mouse are shaped more of a circle which is more typical of palm mice. Claw mice such as the Razer DeathAdder do not usually have this shape.Cougar 550M Gaming Mouse

Even looking down the length we see a more rounded shape. Near the tail end is the other RGB lighting zone.Cougar 550M Gaming Mouse

Looking under the 550M we see the SDNS-3988 optical sensor which can track between 50 to 6400 DPI. Three large mouse feet are placed around the edges for a very smooth glide. The 6 foot long USB cable is attached to the mouse off-center from the scroll wheel.Cougar 550M Gaming Mouse

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  • crabbos

    I just bought this mouse today and I love and hate it at the same time. The size, shape, buttons and features are all excellent. The sensor seems to be very accurate so far. The UIX software is very intuitive and easy to use. This mouse feels incredibly comfortable in the hand and I actually prefer the textured plastic grips to rubber ones. My only gripe is that this thing feels HEAVY. Hopefully I’ll get used to the weight but I think they’ve made a mistake is this regard.

  • basroil

    Love the fact they put “32bit ARM processor” in the specs… Considering all modern ARM designs are 32bit, and their Cortex M0 is dirt cheap, it’s like saying a car comes with power windows! Hell, I have servomotors using M0 cores!