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Hands On: Rosewill M55 and M57 Gaming Mice

Rosewill has long been known to make great entry level peripherals for those who place affordability above bleeding edge features and customization. The M55 and M57 are their latest gaming mice that look to provide users with the most bang for their buck.

They’re priced at $50 for the M55, and $40 for the M57.

Design and Comfort

Rosewill went in different directions with the M55 and the M57. The primary difference is that the M57 is an ambidextrous mouse, while the M55 is a more traditional right handed mouse.

The M57 is a lot smaller than the M55, and the M55 is more angular and jagged, while the M57 is fatter, heavier, and more bulbous. Which design you prefer is obviously a matter of taste, but I have big hands, so the M55’s larger design was a better fit for me. On the M57, my fingers hung over the left and right buttons when gripping it palm style.

Both mice are made of plastic, with a black matte finish. There are rubber side grips on each mouse, though the ambidextrous M57 has them on both sides. Both mice also have excellent placement of their side buttons. They were easy to reach with my thumb and clearly distinct from one another.

However, I wish the M57 had side buttons on both sides of the mouse, to go along with its ambidextrous design. I can’t see how a left handed person could use the side buttons with their pinky. (ED: yes, lefties like myself want the buttons)

If you have smaller hands, prefer a lighter mouse, or absolutely need an ambidextrous mouse, the M57 fits the bill.

Both mice feature a small plastic band that runs around the body. This plastic band serves as the source of the 16.8 million color RGB lighting. The Rosewill logo also lights up, but due to the placement directly underneath your palm, you’re almost never going to see it unless you’re walking back from your desk. On the M57, the scroll wheel is also lit, but the M55’s wheel doesn’t light up.

I’m not sure why that’s the case, especially considering the M55 is slightly more expensive. The lights are nice and subtle, and you can configure the colors based on your DPI settings. There are also a few different back lighting effects you can play around with, too.

Performance and Features

Both the M55 and the M57 offer several different polling rates. The M55 has more DPI options, going up to a whopping 6000 DPI. By comparison, the M57 “only” goes to 4000. Curiously, DPI’s from 3000 to 6000 can only be achieved by switching the DPI Dial switch on the bottom of the M55. I found it frustrating to not be able to easily cycle between DPI “levels” in game. Why the inclusion of a switch? I’d much prefer the top DPI switcher button, which works perfectly fine, include all the available DPIs. The M55 and the M57 have 1000hz polling rates, making for a smooth, accurate pointing experience.

The biggest difference in the two mice are their sensors. The M55 has an A4090 optical sensor, while the M57 has an A3050. The A3050 is the older sensor of the two, having been used in a slew of other gaming mice, while the A4090 is brand new. In my real world usage, I could barely tell the difference between the two. They both have good liftoff and glide, so you’ll always feel in control of even the smallest movements. I’m going to go out on a limb and say that both sensors are virtually identical.

Both mice huse high quality Omron switches, and they have a satisfying and consistent click feel.

Rosewill’s software allows you to tweak a fair amount of settings. Beyond the aforementioned lighting settings, you can record macros for any of the six buttons, adjust polling rates and DPI, double click and scroll speed, angle snap, and save individual profiles for different games and office functions.

It’s surprisingly robust software for an entry level gaming mouse.

How They Compare

The M55 is a little more expensive, but in my experience, it’s the better value. It fit better in my hand, had a great amount of heft to it, and just all around felt better to use. If you have smaller hands, prefer a lighter mouse, or absolutely need an ambidextrous mouse, the M57 fits the bill. But if you don’t mind shelling out the extra dough, the M55 is the way to go. Regardless of your choice, both these mice pack far more of a punch than their entry-level pricepoint would have you believe.