Great Wall has launched the GW-850HD fully modular power supply unit, which is now available on JD.com. The device is priced at ¥599 and comes with a 7-year warranty. Its physical dimensions are 150mm x 150mm x 86mm, featuring a horizontal grille design for air intake.
The power supply complies with the ATX 3.1 standard and includes a native PCIe 5.1 12V-2x6 connector. It has achieved CQC Level IV certification, with a typical load conversion efficiency exceeding 94%. The unit utilizes an LLC, synchronous rectification, and DC/DC architecture, with a single 12V rail output reaching 849.96W.
Technical performance includes voltage accuracy within ±3%, with 12V output ripple below 80mV, and 5V/3.3V ripple under 40mV. The device is equipped with a 135mm finned fan that supports smart start-stop functionality and comes with embossed soft cables.
The unit is designed for operation at altitudes up to 5000 meters. It includes comprehensive safety protections against overvoltage, overcurrent, overpower, overheating, short circuits, and surges.






