COOLER MASTER GX-Series Power Supplies
GX 550W 80 PLUS, GX 650W 80 PLUS, GX 750W 80 PLUS.
The Cooler Master GX series offer high reliability with an MTBF (Mean Time Between Failure) rating in excess of 100,000 hours. All models in the GX series also comes backed with a five year warranty. There are currently three models in the GX series, the GX 550W (RS-550-ACAA-E3), the GX 650W (RS-650-ACAA-E3) and the GX 750W (RS-750-ACAA-E3).