255W SFF Power Supply for Dell Optiplex 3020 7020 9020 T1700, Replacement for AC255ES-01 L255ES-00 L255ES-01 F255ES-00 D255AS-00 H255ES-00 H255ES-01

Aomoproing 255W power supply is a precision drop-in replacement engineered exclusively for Dell Optiplex 3020, 7020, 9020 Small Form Factor (SFF) desktops and Precision T1700 workstations. It fully replaces all OEM models: AC255ES-01, L255ES-00, L255ES-01, F255ES-00, D255AS-00, H255ES-00, H255ES-01.

Built to the exact SFF dimensions and 8+4 pin connector configuration of the original Dell PSU, it ensures perfect fit and full compatibility with the SFF motherboard, processor, and internal storage. It delivers stable 255W output with strong +12V rail performance to power Intel Core i3/i5/i7 CPUs, SSDs/HDDs, and low-profile graphics cards without voltage fluctuations.

This unit features 80 PLUS Bronze efficiency (up to 85%) and universal 100-240V AC input (50/60Hz) with active PFC, reducing power consumption and heat in compact SFF chassis. Comprehensive safety features (Over-Voltage, Over-Current, Short-Circuit, and Over-Temperature Protection) safeguard your critical business hardware.

Every Aomoproing PSU undergoes rigorous load testing and compatibility verification to meet or exceed OEM standards, making it the ideal repair or upgrade solution for maintaining optimal performance and uptime in your Dell SFF systems.