FSP Twins 500W Redundant ATX Power Supply Review

A Closer Look – Interior

There are two 500W PSUs included in the Twins. Each of them are identical, and should one of them fail, you would simply order another, slot it in, and keep your system running.

They’re quite compact, but also quite heavy. There is a lot of hardware in each of these and their construction is certainly reassuring. The handle at the back folds down so it’s not in the way, but locks into place when raised for ease of use.

There’s a bit of ventilation at the rear of each module, and they’re cooler by the propeller-like fans at the rear. They’re certainly a lot smaller than the fans we often see on the top of ATX PSUs, so I’d expect they may have to work a little harder to keep things cool.

Under that fan, you’ll find a connection that looks like those found on a graphics card. This plugs into the PCB inside the ATX housing when you slide the PSU into place, allowing it to deliver power to your system. By not using cables to hook each module into the system, it means it’s safe to remove and hot swappable.