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    315W 4FCWX 04FCWX SFF Switching Power Supply H315ES-00 D315ES-00, Replacement PSU for Dell OptiPlex XE2 SFF Desktop

    • Official Dell matching power supply with cross part numbers 4FCWX / 04FCWX, hardware models H315ES-00 & D315ES-00, rated max continuous output power 315W, exclusively designed for OptiPlex XE2 SFF small form factor chassis.
    • 80 PLUS Gold high efficiency rating with active PFC, universal AC input 100-240V 4.4A 50/60Hz, stable power output with overvoltage, overcurrent and short-circuit multi-layer protection circuits.
    • Complete dedicated cable harness: 8-pin main motherboard power, 4-pin CPU auxiliary power, 6-pin PCIe graphics power, non-modular fixed wiring perfectly matching Dell SFF internal layout.
    • Broad compatibility with Dell small desktops & workstations: OptiPlex XE2, 3020, 7020, 9020 SFF and Precision T1700 SFF, direct drop-in replacement without chassis modification.
    • Compact long slim SFF form factor, built-in silent cooling fan, fully pre-tested before shipment, stable 24-hour continuous operation for office, light design and industrial workstation use.
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    This 315W SFF switching power supply carries Dell part number 4FCWX (04FCWX) and hardware model codes H315ES-00 / D315ES-00, engineered as original replacement PSU for OptiPlex XE2 SFF small tower desktops. It adopts Delta Electronics manufacturing standard, 80 Plus Gold energy-saving certification and active power factor correction to lower power consumption and heat generation. Equipped with proprietary Dell pinout connectors including 6-pin PCIe slot for low-power discrete graphics cards, it fits all compatible Dell SFF chassis without wiring adapters. Integrated full safety protection mechanisms prevent hardware damage from abnormal voltage surges. Widely used as factory replacement, maintenance spare part and upgrade power unit for commercial office PCs and entry-level compact workstations.



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