ASUS Prime 850W Gold PSU brings efficient and durable power delivery to all-round PCs, and gaming rigs
  • Dual ball fan bearings that can last up to twice as long as sleeve bearing designs.
  • An 80 Plus gold certification is the result of low-ESR capacitors and other premium components.
  • ATX 3.0 compatible: ASUS Prime Gold is compliant with ATX 3.0 guidelines and bundled with a 16-pin PCIe cable that is compatible with PCIe Gen 5.0 graphics cards.
  • 8-year warranty included.
ASUS Prime 850W Gold
Front-side angle of ASUS Prime 850W Gold showing the white surface
AP-850G
ASUS estore price starting at
Prime 750 Gold keyvisual

Prime Performance

With 80+ Gold certification, dual ball bearing fans, and an 8-year warranty, the ASUS Prime series PSU brings efficient and durable power delivery to high-performance workstations, all-round PCs, and gaming rigs.
Versatile, space-saving, secure design

Dual Ball Fan Bearings

Dual ball bearings boast a remarkable lifespan of 80,000 hours, lasting twice as long as sleeve bearings and exceeding even fluid dynamic bearings. Ensuring long-lasting, reliable cooling with minimal noise for ASUS Prime Gold series.
Versatile, space-saving, secure design

80 Plus Gold Certification

The ASUS Prime 850W Gold PSU features efficient, low-ESR capacitors to ensure efficient operation — affording it 80 PLUS® Gold status. This means it delivers up to 92% efficiency, resulting in less heat, reduced fan noise, and increased reliability.
Versatile, space-saving, secure design

ATX 3.0 Compatible

The latest power specification updates have landed. ATX 3.0 ushers in tighter voltage and current regulation guidelines for next-gen hardware - and ASUS Prime 850W Gold steps ahead of the curve by being fully compliant. A 16-pin PCIe cable that is compatible with PCIe Gen 5.0 graphics cards is bundled with the PSU, bringing large-scale capabilities.

Please see the FAQ section for specific instructions on the proper usage of this advanced 16-pin cable

[Graphics Card & PSU] How to plug in the 16-pin power cable properly
Versatile, space-saving, secure design

Choose Your Style

Two sides of the housing are painted white, and two sides are painted black, allowing you to orient the PSU to match your preferred build theme.
Versatile, space-saving, secure design

8-year Warranty

We're so sure about the reliability of the ASUS Prime 850W Gold that we back it with an 8-year warranty.
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