315W SFF Switching Power Supply, OEM Replacement PSU Compatible with Dell OptiPlex XE2 SFF, PN 4FCWX, Model H315ES-00 / D315ES-00

This 315W switching power supply is a direct OEM replacement unit exclusively built for Dell OptiPlex XE2 SFF business desktops, matching original part numbers 4FCWX, H315ES-00 and D315ES-00 with identical physical size, mounting holes and cable layout.

Adopting 80 PLUS Gold certified circuit and active power factor correction technology, it maintains up to 90% energy efficiency under different load levels, reducing power consumption and heat accumulation during daily office multitasking, document processing and light design workDell Canada. The multi-rail stable 12V output delivers consistent power to CPU, memory, hard drives and mid-range dedicated graphics cards via the native 6-pin PCIe port.

Built-in comprehensive safety modules automatically cut off power under abnormal current, voltage and temperature conditions, and resume normal output once faults are cleared to avoid permanent hardware damage. Every unit undergoes full load function testing before delivery to ensure stable startup and continuous operation without crash or noise issues.

Non-modular fixed wiring with factory-matched pin layout fits the XE2 SFF chassis perfectly, no cable extension or modification required. It is a cost-effective repair solution for aged, noisy or failed original power supplies in corporate office equipment.