% £-140.95
Asus 850W TUF Gaming Gold PSU, Fully Modular, 80+ Gold, Double Ball Bearing Fan, ATX 3.1, PCIe 5.1
Asus 850W TUF Gaming Gold PSU, Fully Modular, 80+ Gold, Double Ball Bearing Fan, ATX 3.1, PCIe 5.1
Asus 850W TUF Gaming Gold PSU, Fully Modular, 80+ Gold, Double Ball Bearing Fan, ATX 3.1, PCIe 5.1
Asus 850W TUF Gaming Gold PSU, Fully Modular, 80+ Gold, Double Ball Bearing Fan, ATX 3.1, PCIe 5.1
ASUS

Asus 850W TUF Gaming Gold PSU, Fully Modular, 80+ Gold, Double Ball Bearing Fan, ATX 3.1, PCIe 5.1

Product SKU: PSU-850ASTUFG
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The TUF Gaming 850W Gold is an efficient, resilient and dependable PSU that's engineered for the long haul.

The ASUS TUF Gaming 850W Gold packs military-grade strength, a flagship fan design, and PCB protection for efficient, durable power delivery. The result is a PSU that will reliably fuel your rig for years to come.

  • Capacitors and chokes pass demanding tests to achieve Military-grade Certification.
  • Dual ball fan bearings can last up to twice as long as sleeve bearing designs.
  • A protective PCB coating protects against moisture, dust, and extreme temperatures.
  • An 80 Plus Gold Certification is the result of Japanese capacitors and other premium components.
  • Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure.
  • Fully modular etched cables keep your rig neat and tidy.
  • 10-year warranty included.


 
 
 
 
TUF Components
 
Top marks
With military-grade components, including capacitors rated for 105°C operation and up to 170,000 hours' lifespan, the ASUS TUF Gaming 850W Gold empowers you to build in confidence.
 
 
 
 
 
Dual Ball Fan Bearings
 
2x longer lifespan
Exemplary cooling is provided by a 135mm fan spinning on a dual ball bearing setup that will last up to twice as long as a sleeve bearing design.
 
 
 
 
 
Protective PCB Coating
 
All wrapped up
A protective conformal coating envelops the PCB to protect against short-circuits caused by moisture, dust, and debris.
 
 
 
 
 
80 Plus Gold Certification
 
Heart of gold
The TUF Gaming 850W Gold features efficient, low-ESR Japanese 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.
 
 
 
 
 
ATX 3.1 Compatible
 
Step into the future
The latest power specification updates have landed. ATX 3.1 ushers in tighter voltage and current regulation guidelines for next-gen hardware - and TUF Gaming 850W Gold steps ahead of the curve by being fully compliant. A 16-pin PCIe cable ripe for piping up to 600W of power to PCIe Gen 5.1 graphics cards is bundled with the PSU, bringing large-scale capabilities.
 
 
 
 
 
Axial-tech Fan Design
 
Better, faster, stronger
Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure. For TUF Gaming series PSUs, we've scaled that design to 135mm so it keeps things cool at low RPMs while producing less noise.
 
 
 
 
 
10-year Warranty
 
A decade of power
We're so confident about the reliability of the TUF Gaming 850W Gold that we back it with a 10-year worldwide warranty.
 
 
 
 
 
Fully Modular Etched Cables
 
Supple ply
The included fully-modular cable set is etched to provide a similar aesthetic to sleeved cables but a touch more flexibility for tight spaces.
 

 

Description

Specification

  • Form Factor: ATX
  • Series: Asus TUF Gaming
  • Wattage: 850 W
  • Modular: Fully Modular
  • Compatibility: ATX 3.1
    PCIe 5.1
  • #Hide#Wattage Range: 800 - 860W
  • Connectors: 1 x MB 24/20-pin
    2 x CPU 4+4-pin
    1 x PCI-E 16-pin
    3 x PCI-E 8-pin
    5 x SATA
    4 x PERIPHERAL
  • AC Input: 100-240Vac
  • Fan Type: 135mm
    Dual ball fan bearings
    Axial-tech fan design
  • Fan Bearing: Ball Bearing
  • Max Certification: Gold
  • Efficiency: 80+ Gold
    Up to 92% efficient
  • MTBF: "170,000 hours"
  • Protection: OPP/OVP/UVP/SCP/OCP/OTP
  • Additional Features: See Overview
  • Package Contents: 1 x Power Cord
    1 x Motherboard Power Cable (610mm)
    2 x CPU Cable x 2 (650mm)
    1 x PCI-E Gen 5 16-pin Cable (675mm)
    1 x PCI-E 1-to-1 Cable (675mm)
    1 x PCI-E 1-to-2 Cable (675mm)
    1 x SATA 1-to-2 Cable (400+120mm)
    1 x SATA 1-to-3 Cable (400+120+120mm)
    1 x Peripheral 1-to-4 Cable (400+150+150+150mm)
    3 x TUF Gaming Cable tie
    1 x User Manual
  • Weight/Dimensions: 2.38 kg
    150 x 150 x 86 mm
  • Package Weight: 3.1100 kg
  • Warranty: 10 Years
  • #Hide#ATX 3.1/3.0: ATX 3.1

Delivery & Shipping Policy

Last updated: 19/09/2025

At Tech Direct UK, we aim to get your order to you as quickly and efficiently as possible. Please see below for our delivery terms.

1. Delivery Options & Costs

  • Free Delivery – Orders over £50 qualify for free UK standard delivery.

  • Standard Delivery – Orders under £50 are charged at £4.99.

2. Delivery Times

  • Next Day Delivery – The majority of items are shipped via next day courier if ordered before 2:00pm (Monday–Friday).

  • Orders placed after 2:00pm, on weekends, or bank holidays will be processed the next working day.

  • Larger or Heavy Items – Certain products (e.g., heavy furniture, oversized goods) may take 2–5 working days for delivery. Estimated times will be displayed at checkout.

3. Delivery Areas

  • We deliver to all mainland UK addresses.

  • Deliveries to remote areas (e.g., Highlands, Islands, Northern Ireland) may take longer or incur additional charges — these will be shown at checkout before confirming your order.

4. Tracking Your Order

  • Once dispatched, you will receive an email confirmation with tracking details (where available).

  • You can track your delivery via the courier’s website.

5. Missed Deliveries

  • If you are not available at the time of delivery, the courier will leave a card or attempt redelivery.

  • Repeated failed delivery attempts may result in the parcel being returned to us. In this case, re-delivery charges may apply.

6. Risk of Loss

  • Risk of loss or damage to the goods passes to you once they are delivered.

  • Please inspect your order upon receipt and notify us of any issues within 48 hours.

7. Contact Us

If you have any questions about delivery, please contact us:
📧 Email: support@techdirectuk.com

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