240W SFF Replacement Power Supply PSU Compatible with Dell Optiplex 390 790 990 960 7010 9010 3010 Small Form Factor, H240AS-00 H240AS-01 D240ES-00 H240ES-00 L240AS-00, P/N 3WN11 PH3C2 2TXYM 709MT

This brand-new 240W small form factor power supply is an OEM matching replacement for Dell Optiplex SFF desktops including 390, 790, 990, 960, 7010, 9010 and 3010. It can directly replace original PSU models H240AS-00, H240AS-01, D240ES-00, H240ES-00, L240AS-00 and fits Dell spare part numbers 3WN11, PH3C2, 2TXYM, 709MT.

Made of high-quality stable internal circuit components, this PSU delivers low-ripple steady power to protect motherboard, CPU, memory and storage devices under daily multitasking office loads. Built-in intelligent safety circuits will automatically cut off power once abnormal voltage, overload or overheating occurs to prevent permanent hardware damage.

Equipped with a silent cooling fan and compact heat sink, it efficiently discharges heat inside narrow SFF chassis while keeping quiet running noise suitable for office environments. All power cable interfaces and installation dimensions strictly follow Dell factory standards, no wiring adjustment or extra adapters required for quick swap installation. Every unit undergoes rigorous aging, voltage stability and safety testing before delivery, reaching OEM quality standards for enterprise PC maintenance and defective SFF power supply replacement.