315W SFF Power Supply 4FCWX H315ES-00 D315ES-00 Replacement PSU for Dell OptiPlex XE 2 SFF Desktop Switching Power Supply

This 315W switching power supply is a dedicated replacement PSU designed exclusively for Dell OptiPlex XE 2 SFF small form factor desktops, matching OEM part numbers 4FCWX, H315ES-00 and D315ES-00 fully It adopts active PFC design and delivers steady 315W rated power, reliably supporting CPU, memory, storage and low-power discrete graphics cards for office work, document editing and light rendering tasks. The internal wiring completely replicates the original power supply, equipped with standard 8-pin CPU power, 6-pin graphics card power and 4-pin peripheral power connectors, allowing direct plug-and-play installation without wire cutting or adapter changes.

Built with comprehensive multi-protection circuits including overvoltage, overcurrent, overload and short-circuit safeguards, it effectively avoids unexpected shutdowns and hardware damage caused by unstable power fluctuations. The built-in silent cooling fan optimizes airflow inside the narrow SFF case to dissipate heat efficiently while keeping running noise low during long-hour operation. With universal 100-240V wide voltage input, this replacement PSU adapts to global household power grids. Its slim proprietary SFF size fits the Dell XE 2 SFF chassis precisely without space conflicts, serving as an ideal spare part to replace faulty, noisy or dead original power supplies and restore stable desktop performance.