The Dell H1000EGM-00

 It is a 1000-watt switching power supply designed primarily for high-performance Alienware and Dell desktop systems. It is an 80 Plus Gold-certified unit, featuring a full modular design and a multi-rail 12V output to support high-end CPUs and GPUs. 

Technical Specifications

According to manufacturer data from Dell and CPU Medics, the unit has the following power ratings:

• Max Output: 1000 Watts.
• AC Input: 100-240V ~ 12A, 50/60Hz.
• DC Output Rails:
• +12VA: 42A.
• +12VB: 52A.
• +12VD: 16A.
• +3.3V / +5.1V: 20A each.
• Efficiency: 80 Plus Gold Certified.
• Dimensions: 150mm x 86mm x 190mm.
• Form Factor: Proprietary Alienware/Dell PSU. 

System Compatibility

This PSU is widely used as a replacement or upgrade for Dell systems originally shipped with 850W units. Confirmed compatible models include: 

• Alienware Aurora: R2, R5, R6, R7, R8, R9, R10, R11, R12.
• Dell XPS: 8920, 8930.
• Dell Precision: T3630, T3640, T3650.
• Dell Inspiron: 5675, 5680.
• Interchangeable Part Numbers: RD0G0, 0WTGN, 0PDJK, RGJRX, D1000EGM-00, HU1000EGM-00. 

Connectivity and Installation

• Modular Design: The unit is fully modular, allowing users to connect only the necessary cables, though replacement units often do not include the cable set itself.
• Standard Connectors: Supports typical motherboard 24-pin, CPU 4-pin/8-pin, and multiple 6+2 PCIe connectors for graphics cards.
• Built-in Self-Test (BIST): Includes a diagnostic button and LED on the rear to troubleshoot power failures without opening the chassis. 

Performance and Reliability

Reviewers on eBay highlight the unit for its quiet operation and good value for high-demand builds. It is noted for steady performance under gaming or workstation loads, though some users on Reddit caution that cable lengths are often specifically tailored for Dell chassis, which may complicate its use in standard aftermarket PC cases. 

These product listings provide compatibility details and technical specifications for the Dell H1000EGM-00 power supply: