FSP Group Twins ATX PS2 1+1 Dual Module 500W PSU $117.31 Very Good Small cosmetic imperfection on top, front or sides of item. Small cosmetic imperfection on bottom or back of item. ATX PS2 redundant size, no front end bracket needed, ideal for mail, web and home server. Input Frequency 60-50 Hz Digital-controlled power supply design can be monitored by “FSP Guardian ” software Hot swappable modules design and no worry about server/PC power off when one of modules failure | Complies with ATX 12V and EPS 12V standards 80 PLUS 230V Internal Gold Certification | Alarm guard design by smart power supply status LED indicator Complete protection: over current protection, short circuit protection, over voltage protection, fan failure protection Price history (new):Read more, including price history ->