Thermaltake released the PurePower PST520W, a modularized power supply unit, conforming to ATX 12V 2.0 standard. It includes dual 6-pin PCI Express connectors and the power surge box provides six sets of standard 4-pin molex connectors, two sets of floppy drive power connectors and four sets of SATA power connectors. A smaller surge box adds four sets of 4-pin molex and two sets of 3-pin connectors that provide power for the fans and other accessories. Optional itens include active PFC and led fan.