Replacement 350W/550W 80 Plus Redundant Hot-Swap Server PSU — Y8Y65 M95X4 0Y8Y65 0M95X4 for R320 R420

Direct replacement power supply compatible with Dell PowerEdge R320 and R420 servers. Offered in 350W and 550W ratings, this 80 Plus efficient unit is designed for redundant, hot-swap operation to help maintain system uptime. Compatible part numbers: Y8Y65, M95X4, 0Y8Y65, 0M95X4 — suitable for repair or upgrade of redundant PSU configurations.