WRIARICH 290W Replacement Power Supply PSU Compatible with Dell Optiplex 3020 7020 9020, Precision T1700, PowerEdge T20, L290AM-00 PS-3291-1DF H290EM-00 H290AM-00, P/N RVTHD KPRG9 HYV3H D290A001L

This brand-new 290W power supply is a reliable OEM replacement unit designed for Dell Optiplex 3020, 7020, 9020 desktops, Precision T1700 workstations and PowerEdge T20 entry servers. It directly replaces original power supply models L290AM-00, PS-3291-1DF, H290EM-00, H290AM-00 and matches Dell OEM part numbers RVTHD, KPRG9, HYV3H, D290A001L.

Constructed with industrial-grade internal electronic components, this PSU delivers low-ripple steady clean power to protect motherboard, CPU, memory and storage hardware under continuous office and light server loads. Built-in intelligent multi-protection circuits automatically cut off power once abnormal voltage, overload or overheating occurs to avoid permanent hardware damage.

Equipped with optimized low-noise cooling fan and internal heat sink structure, it quickly exhausts internal heat while maintaining quiet working noise for office and small business environments. All power cable interfaces and installation screw hole positions strictly follow factory original standards, enabling fast simple installation without wiring changes or extra adapters. Every unit passes strict factory aging, voltage stability and safety testing before shipment to reach OEM equivalent durability, perfect for enterprise PC maintenance, workstation/server repair and defective PSU replacement.