As the originator of clear power supply in the industry, logisys has come up with the enhanced model ps550cl to respond to the increasing needs for higher standard clear power supply. The power boast its performance and beauty with maximum 550w output, 20 and 24 pin atx plug, two serial ata connectors, 6 4pin 12v connectors, and pci express connector. All the cables and wires have been sleeved with green uv interactive net. We have extended the cables and wires to at least 19¡± up to 24¡± long to work with the most chassis in the market, even most of the full size tower chassis. Dual fans with blue led lighting have been added for maximum cooling performance. Specification: support intel and amd system , support 20 and 24 pin atx standard , support latest pci express and serial ,ata interface (2 satas) ,6 4pin 12v molex connectors ,extended cables and wires ,all cables sleeved by uv materials ,dual blue led litup silent fans ,low noise and ripple ,over voltage protection ,short circuit protection ,built -in emi filter and anti-interference electronic resistor ,comply with fcc part 15j class b 15vac operation and cispr 22 230 vac operation , 100% burn-in test/vibration test /hi-pot test/leakage current test