Pros: Cheap, high quality PSU from a reliable brand. No problems here. The person that said this PSU had low 12v rails dropping to 11.78 doesn't understand what that number means.

Cons: Couldn't be happier.

Overall Review: +3.3v = 3.28V , +5V = 4.87V, +12V = 11.78V at idle -- All good.

Pros: It is cheap.

Cons: I don't know much about mice, however I expect even for a $10ish mouse that it should last longer than 2 months without breaking, especially with such high reviews. The left click button double clicks / fails to hold a click for drag operations, etc. Its innards are simply cheap and I believe there is a spring inside that goes bad to cause it. This is the second logitech mouse Ive owned that broke this way and I'm not abusive to my mice but they do get lots of use.

Overall Review: Be nice to find a reliable mouse, I've only experienced these issues with semi-recent mice and I'm afraid to pay extra for a 'better' mouse only to find it suffers the same fate due to low quality, so as the saying goes "They don't make them like they used to"

Pros: Works for awhile?

Cons: I bought 3 of these and two of them caught on fire simply due to stress from frequent use. The 3rd one I disposed of. Fire hazard beware. Make sure you inspect these very carefully and frequently to ensure it doesn't burn your house down. This goes for any wiring really, but I've never had any other usb cables burn up in the past.

Pros: Came as described.

Cons: None.

Pros: It seems to do what it says it does.

Cons: leds do not function, been that way since it arrived.

Overall Review: Writing this review quite late, since the parts of it I've used seems to work I didn't bother trying to return it over the leds.

Pros: A high quality PSU, hard to beat this in value.

Cons: none.

Overall Review: When it comes to PSUs, I only want the best, thank you Seasonic.