Based on this product's specifications, here are some alternatives and similar models
Power supply Dell 495W redundant (3GHW3) for server systems, hot-swappable
Summary description:
Redundant Dell 495W power supply (model 3GHW3) designed for server environments. Provides 495 watts of output and intended for use as a redundant or replacement unit to maintain uptime. Hot-swappable form factor enables tool-free replacement without shutting down the system. Suitable for Dell servers requiring a compatible 495W redundant PSU, helping ensure continuous operation and simplify maintenance.