£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
49 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 |

Marielle (verified owner) –
Product works, manual wasn’t very clear
Marco (verified owner) –
Worked after a few restarts
Rahsaan (verified owner) –
Great customer support and fast dispatch
Margarita (verified owner) –
Performance is inconsistent under load
Malcolm (verified owner) –
Very efficient and stays cool
Lenora (verified owner) –
Speed boost was immediately noticeable
Makenzie (verified owner) –
Support was slow to respond
Lilla (verified owner) –
Installation was tricky for beginners
Opal (verified owner) –
Not bad, but there are better options for the price
Marilou (verified owner) –
Exactly what I needed for my gaming rig
Margaux (verified owner) –
No issues at all, plug and play with great performance
Malachi (verified owner) –
Good value but no included cables
Matilda (verified owner) –
Reliable, powerful, and works as expected
Mariana (verified owner) –
This component exceeded my expectations
Oleta (verified owner) –
Super fast delivery and the product works perfectly
Novella (verified owner) –
Really impressed with the durability
Noemie (verified owner) –
Installation was simple and quick
Linnea (verified owner) –
No major issues, just wish support was quicker
Lee (verified owner) –
A must-have upgrade for any serious gamer
Osvaldo (verified owner) –
Exactly as described and works great
Luis (verified owner) –
Perfect for gaming and multitasking
Meggie (verified owner) –
Amazing value for money, my PC runs smoother than ever
Magnus (verified owner) –
Does the job well, no major complaints
Rafaela (verified owner) –
Highly recommend for any PC build
Noble (verified owner) –
Very satisfied, just a small scratch on arrival
Maritza (verified owner) –
Came with everything needed to get started
Miles (verified owner) –
Would definitely buy again from this store
May (verified owner) –
Very stable even under heavy load
Napoleon (verified owner) –
Fantastic price for this level of performance
Myles (verified owner) –
Happy with the product, minor noise under load
Leon (verified owner) –
Solid quality and very quiet in operation
Max (verified owner) –
Zero compatibility issues, great experience
Michele (verified owner) –
No major issues, but lacks polish
Litzy (verified owner) –
Performance boost was noticeable
Melyssa (verified owner) –
Happy overall, just had to replace a missing screw
Porter (verified owner) –
Improved my system but not as much as I hoped
Mertie (verified owner) –
Decent component but came in basic packaging
Price (verified owner) –
Speed boost was immediately noticeable
Patrick (verified owner) –
Upgraded my system and noticed the difference instantly
Melyna (verified owner) –
Works flawlessly with my setup
Murphy (verified owner) –
Not perfect but definitely worth the price
Laurence (verified owner) –
Exactly what I needed for my gaming rig
Marques (verified owner) –
No issues at all, plug and play with great performance
Paolo (verified owner) –
Could be better for the money
Marley (verified owner) –
Decent thermal performance, not the best
Nicola (verified owner) –
Slight improvement over my old part
Lamar (verified owner) –
Super fast delivery and the product works perfectly
Marisol (verified owner) –
Not bad, but there are better options for the price
Lesley (verified owner) –
Installation was simple and quick