£137.23 Original price was: £137.23.£130.49Current price is: £130.49.
£137.23 Original price was: £137.23.£130.49Current price is: £130.49.
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Product Description
ASUS Prime 850W Gold PSU – Reliable Power for High-Performance Builds

ASUS Prime 850W Gold PSU brings efficient and durable power delivery to all-round PCs, and gaming rigs
The ASUS Prime 850W Gold power supply unit delivers exceptional efficiency and rock-solid stability, making it an ideal choice for gaming systems, content creation PCs, and all-around high-performance desktops. Built to the latest ATX 3.0 standards and supporting PCIe 5.0 GPUs via an included 16-pin connector, it’s ready for next-gen hardware.
This PSU boasts dual ball bearing fans for extended lifespan, 80 PLUS Gold certification for up to 92% efficiency, and robust safety protections to ensure long-term durability. Two-tone casing lets you flip the PSU to match your build theme, while the 8-year warranty offers peace of mind for years to come.
Choose Your Style
- 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 3.1 compatible:Â ASUS Prime Gold is compliant with ATX 3.1 guidelines and bundled with a 16-pin PCIe cable that is compatible with PCIe Gen 5.1 graphics cards.
- 8-year warranty included.

Compatibility & Connectivity
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.

| Feature | Details |
|---|---|
| Form Factor | ATX |
| Series | ASUS Prime Gold |
| Wattage | 850 W |
| Modular | Fully Modular |
| Compatibility | ATX 3.0, PCIe 5.0 |
| Efficiency Certification | 80 PLUS Gold (up to 92%) |
| Fan Type | 135mm Double Ball-Bearing Fan |
| MTBF (Lifespan) | 120,000 hrs @ 25°C |
| Protections | OPP / OVP / UVP / SCP / OCP / OTP |
| AC Input Voltage | 100–240Vac |
| PFC | Active PFC |
| Connectors | 1 × MB 24/20-pin 2 × CPU 4+4-pin 1 × PCIe 16-pin (Gen 5.0) 3 × PCIe 8-pin 5 × SATA 3 × Peripheral (Molex) |
| Package Contents | PSU, Power Cord Motherboard Power Cable (610mm) 2 × CPU Cable (650mm) 1 × PCI-E Gen 5 16-pin Cable (675mm) 1 × PCI-E (16-pin to 2×8-pin) Cable (675mm) 1 × PCI-E 1-to-1 Cable (675mm) 1 × SATA 1-to-2 Cable (400+120mm) 1 × SATA 1-to-3 Cable (400+120+120mm) 1 × Peripheral 1-to-3 Cable (400+150+150mm) User Manual |
| Weight | 1.502 kg (PSU Only), 4.25 kg (Package) |
| Dimensions (L × W × H) | 150 × 150 × 86 mm |
| Warranty | 8 Years |
Other Options
Customer Reviews
34 reviews for Asus Prime 850W Gold Gaming PSU, Fully Modular, 80+ Gold, ATX 3.0
Clear filtersRecently viewed
- 24-pin ATX 3.0
- 850W Wattage
- Fully-Modular
- 80 PLUS Gold
ASUS Prime 850W Gold PSU – Reliable Power for High-Performance Builds

ASUS Prime 850W Gold PSU brings efficient and durable power delivery to all-round PCs, and gaming rigs
The ASUS Prime 850W Gold power supply unit delivers exceptional efficiency and rock-solid stability, making it an ideal choice for gaming systems, content creation PCs, and all-around high-performance desktops. Built to the latest ATX 3.0 standards and supporting PCIe 5.0 GPUs via an included 16-pin connector, it’s ready for next-gen hardware.
This PSU boasts dual ball bearing fans for extended lifespan, 80 PLUS Gold certification for up to 92% efficiency, and robust safety protections to ensure long-term durability. Two-tone casing lets you flip the PSU to match your build theme, while the 8-year warranty offers peace of mind for years to come.
Choose Your Style
- 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 3.1 compatible:Â ASUS Prime Gold is compliant with ATX 3.1 guidelines and bundled with a 16-pin PCIe cable that is compatible with PCIe Gen 5.1 graphics cards.
- 8-year warranty included.

Compatibility & Connectivity
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.

| Feature | Details |
|---|---|
| Form Factor | ATX |
| Series | ASUS Prime Gold |
| Wattage | 850 W |
| Modular | Fully Modular |
| Compatibility | ATX 3.0, PCIe 5.0 |
| Efficiency Certification | 80 PLUS Gold (up to 92%) |
| Fan Type | 135mm Double Ball-Bearing Fan |
| MTBF (Lifespan) | 120,000 hrs @ 25°C |
| Protections | OPP / OVP / UVP / SCP / OCP / OTP |
| AC Input Voltage | 100–240Vac |
| PFC | Active PFC |
| Connectors | 1 × MB 24/20-pin 2 × CPU 4+4-pin 1 × PCIe 16-pin (Gen 5.0) 3 × PCIe 8-pin 5 × SATA 3 × Peripheral (Molex) |
| Package Contents | PSU, Power Cord Motherboard Power Cable (610mm) 2 × CPU Cable (650mm) 1 × PCI-E Gen 5 16-pin Cable (675mm) 1 × PCI-E (16-pin to 2×8-pin) Cable (675mm) 1 × PCI-E 1-to-1 Cable (675mm) 1 × SATA 1-to-2 Cable (400+120mm) 1 × SATA 1-to-3 Cable (400+120+120mm) 1 × Peripheral 1-to-3 Cable (400+150+150mm) User Manual |
| Weight | 1.502 kg (PSU Only), 4.25 kg (Package) |
| Dimensions (L × W × H) | 150 × 150 × 86 mm |
| Warranty | 8 Years |

Misael (verified owner) –
A stunning white gaming PC with top-tier performance. Totally worth it, highly recommend!
Nettie (verified owner) –
Orrin (verified owner) –
Absolutely thrilled with my new custom PC! The performance is outstanding and it looks great too!
Rebecca (verified owner) –
This custom PC is a game-changer for me. Amazing flexibility and top-notch customer service!
Lazaro (verified owner) –
This is hands down the best custom game build I’ve ever used. Highly recommend to all gamers out there!
Litzy (verified owner) –
Found my perfect gaming setup here! Worth every penny and the customer support is fantastic.
Lindsay (verified owner) –
Finally, a custom PC that meets all my needs. The build quality and support are exceptional!
Marjorie (verified owner) –
Never thought I’d leave a review, but this custom game build is truly worth it! You guys nailed it!
Marta (verified owner) –
My dream gaming setup, perfect in every way. The white finish is just the cherry on top!
Margaux (verified owner) –
Beyond excited with this purchase! The custom game build exceeded my expectations. Awesome work!
Malika (verified owner) –
Almost perfect! This custom PC is amazing, just took a bit longer to arrive than anticipated.
Luz (verified owner) –
Superb performance and sleek design. This custom game build is a gamer’s dream come true. Great job, team!
Pamela (verified owner) –
Outstanding custom PC! The build is solid, and the support team was incredibly helpful. Highly recommend!
Norma (verified owner) –
Really happy with my custom game build! A few small tweaks needed, but overall it’s fantastic!
Madeline (verified owner) –
This white gaming PC is a showstopper! Not only looks amazing but performs like a beast. Love it!
Melyssa (verified owner) –
Couldn’t be happier with my custom PC. It’s powerful, reliable, and looks fantastic. Kudos to the team!
Phyllis (verified owner) –
Never knew I needed a white gaming PC until now. Sleek design and stellar performance!
Myles (verified owner) –
Absolutely in love with my new white gaming PC. It’s stylish and super powerful. Excellent purchase!
Milford (verified owner) –
Lucius (verified owner) –
Laurie (verified owner) –
Great build quality and performance. Just had to upgrade the RAM myself, but otherwise very pleased.
Myron (verified owner) –
Superb performance and sleek design. This custom game build is a gamer’s dream come true. Great job, team!
Ned (verified owner) –
My dream gaming setup, perfect in every way. The white finish is just the cherry on top!
Mckayla (verified owner) –
This custom PC is a game-changer for me. Amazing flexibility and top-notch customer service!
Margarito (verified owner) –
Really satisfied with this custom game build! Just needed some minor adjustments for peak performance.
Maynard (verified owner) –
Found my perfect gaming setup here! Worth every penny and the customer support is fantastic.
Maggie (verified owner) –
This white gaming PC is a showstopper! Not only looks amazing but performs like a beast. Love it!
Maureen (verified owner) –
Outstanding custom PC! The build is solid, and the support team was incredibly helpful. Highly recommend!
Luisa (verified owner) –
My dream gaming setup, perfect in every way. The white finish is just the cherry on top!
Lionel (verified owner) –
Raphaelle (verified owner) –
This custom PC is a game-changer for me. Amazing flexibility and top-notch customer service!
Ocie (verified owner) –
Outstanding custom PC! The build is solid, and the support team was incredibly helpful. Highly recommend!
Mina (verified owner) –
Great custom PC! Had some minor issues initially, but the support team was quick to help.
Louisa (verified owner) –
The white gaming PC looks stunning and performs well. Only minor complaint is the fan noise, but it’s manageable.