FSP Twins Pro ATX PS2 1+1 Dual Module 500W Efficiency Greater than 90% Hot-swappable Redundant Digital Power Supply with Guardian Monitor Software...

ATX PS2 size redundant PSU No front end bracket needed Ideal for mail, web, and home server/office use 'FSP Guardian' PSU monitoring software included Hot-swappable modules to stay online 24/7 LED light status indicator Meets 80 Plus Gold, compliant with latest ul 62368 standards Complete protection: over-current protection, short circuit protection, over-voltage protection, fan failure protection