ASUS TUF-GAMING-850G-EVO power supply unit 850 W 20+4 pin ATX ATX Black
£124.99
inc. VATSpread the cost with Klarna, Clearpay, PayPal or FloatFrom 3 interest-free payments of £41.66 See options
Credit subject to status. 18+, UK residents only. See each provider for terms.
In stock
FREE delivery
Express £9.99
Couldn't load pickup availability
- 14-day returns Details
- UK manufacturer warranty Details
- Price Match Promise Details
- Rated 4.9/5 by customers on Trustpilot & Feefo Read reviews
Overview
- Military-grade capacitors provide premium durability.
- Dual-Ball Fan Bearings can last up to twice as long as sleeve bearing designs.
- Protective PCB coating protects against moisture, dust, and extreme temperatures.
- 80 Plus & Cybenetics Gold certified: Japanese capacitors and premium components deliver industry-leading power efficiency.
- ATX 3.1 Compatible: TUF Gaming Gold EVO series 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.
- Fully modular etched cables keep your rig neat and tidy.
TUF Gaming Gold EVO Series
Built For The Long Haul
The ASUS TUF Gaming 850W Gold EVO packs military-grade strength, a flagship fan design, and PCB protection for efficient, durable power delivery. The result is a PSU that can reliably fuel your rig for years to come.
Specifications
Power
| Total power | 850 W |
|---|---|
| AC input voltage | 100 - 240 V |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 110 W |
| Combined power (+12V) | 850 W |
| Combined power (+5V) | 110 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V) | 70.83 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Power protection features | Overheating, Over current, Over power, Under voltage, Over voltage, Short circuit |
Ports & interfaces
| Motherboard power connector | 20+4 pin ATX |
|---|---|
| Motherboard power cable length | 50 cm |
| Number of SATA power connectors | 4 |
| SATA power cable length | 400,120 mm |
| Peripheral (Molex) power connectors (4-pin) | 2 |
| Peripheral (Molex) power cable length | 400,120 mm |
| PCI Express power connectors (6+2 pin) | 3 |
| PCI Express power connectors (16-pin) | 1 |
| PCI Express power cable length | 50 cm |
| CPU power connector (4+4 pin) | Yes |
| PCI Express connector | Yes |
| Cabling type | Fully-Modular |
Show all 43 specificationsShow fewer specifications
Performance
| Purpose | PC |
|---|---|
| Power supply unit (PSU) form factor | ATX |
| 80 PLUS certification | 80 PLUS Gold |
| ATX version | 3.1 |
| Bearing technology | DBB |
| Mean time between failures (MTBF) | 120000 h |
Design
| Product colour | Black |
|---|---|
| Cooling type | Active |
| Number of fans | 1 fan(s) |
| Fan location | Top |
| Illumination | No |
| On/off switch | Yes |
Packaging content
| Cables included | CPU, PCIe, Peripheral (Molex), SATA |
|---|
Weight & dimensions
| Width | 140 mm |
|---|---|
| Depth | 150 mm |
| Height | 86 mm |
| Weight | 1.35 kg |
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.
