ASUS TUF Gaming 850W Gold PSU - ATX 3.0, 80+ Gold
ASUS
ASUS TUF Gaming 850W Gold PSU - ATX 3.0, 80+ Gold
The ASUS TUF Gaming 850W Gold is a fully modular ATX 3.0 power supply built for system builders who want military-grade durability and long-term reliability. It addresses the reliability concerns that come with high-wattage builds by combining 80 PLUS Gold-certified efficiency with components rated to withstand extreme temperatures, humidity, and corrosion. Backed by a 10-year warranty, it is suited to demanding gaming rigs and workstations where consistent, clean power delivery matters.
Why this product
Military-grade components for extended lifespan
Capacitors and chokes pass stricter MTBF testing, with capacitors rated for 105°C operation and up to 170,000 hours' lifespan — delivering up to twice the lifespan of standard power supplies.
80 PLUS Gold efficiency up to 92%
Low-ESR Japanese capacitors help it achieve 80 PLUS Gold certification, meaning up to 92% efficiency, less heat generated, and lower fan noise under typical loads.
ATX 3.0 compliant with PCIe Gen 5.0 support
Full ATX 3.0 compliance means tighter voltage regulation for next-gen hardware. A bundled 16-pin PCIe cable supports up to 600W delivery to PCIe Gen 5.0 graphics cards.
Dual ball bearing fan lasts twice as long
A 135mm fan with dual ball bearings outlasts sleeve bearing designs by up to 2x, and the 0dB mode shuts the fan off entirely under light loads.
Protective PCB conformal coating
A conformal coating on the PCB guards against short-circuits caused by moisture, dust, and debris — including operation at up to 95% humidity in salt-fog conditions for up to 240 hours.
10-year warranty included
ASUS backs this unit with a full 10-year warranty, reflecting confidence in its long-term reliability.
- Total Output850W
- Efficiency80 PLUS Gold (up to 92%)
- ATX StandardATX 3.0
- Form FactorATX12V
- Fan135mm dual ball bearing, 0dB mode
- Warranty10 years
- Dimensions150 × 150 × 86 mm
- Weight2.38 kg
- SKUASU-2494
- EAN4711081786573
- Fully compliant with ATX 3.0, making it compatible with the latest ATX12V motherboard form factor and next-generation hardware.
- Compatible with PCIe Gen 5.0 graphics cards via the included 16-pin PCIe cable rated for up to 600W.
- Wide AC input range of 100–240V AC supports use in most regions worldwide.
- Fully modular cabling allows connection of up to 2x CPU 4+4-pin, 1x 16-pin PCIe, 3x 8-pin PCIe, 5x SATA, and 4x peripheral connectors.
- The 0dB fan-off mode only activates below a certain load threshold; under heavy load the fan will spin actively.
- Does not include AURA SYNC RGB — there is no lighting integration with ASUS AURA ecosystem.
Best for
- High-end gaming builds: 850W total output with a PCIe Gen 5.0-ready 16-pin connector makes it well suited to current flagship graphics cards.
- Builders prioritising longevity: Military-grade components, 170,000-hour-rated capacitors, and a 10-year warranty suit those who want to build once and not replace the PSU for years.
- Humid or challenging environments: Salt-fog corrosion resistance up to 95% humidity for 240 hours and thermal cycling from -40°C to 85°C make it unusually robust for harsh conditions.
- Noise-conscious builds: The 0dB fan-off mode and 80 PLUS Gold efficiency (less heat to dissipate) mean the PSU runs quietly or silently under moderate loads.
- Cable-management-focused builds: Fully modular etched cables mean only the connections actually needed have to be routed inside the case.
Trade-offs
- RGB-focused builds: It carries no AURA SYNC or any RGB lighting — builders wanting a lit PSU will need to look elsewhere.
- Compact or SFX cases: At 150 × 150 × 86 mm and ATX12V form factor, it will not fit small-form-factor or SFX chassis.
- Very low-power or entry-level systems: An 850W unit is more capacity than a basic office or budget gaming PC requires, and a lower-wattage unit would be more appropriate.
- Buyers wanting 80 PLUS Platinum or Titanium efficiency: Gold-tier certification delivers up to 92% efficiency; higher efficiency tiers exist if energy consumption is the primary concern.
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.
Built For The Long Haul
The ASUS TUF Gaming 850W Gold, enhanced with military-grade components, passes a stricter MTBF (mean time between failures) test to deliver up to twice the lifespan of standard power supplies, empowering you build with confidence.
EXTREME TEMPERATURE
TUF Gaming 850W Gold is capable of handling drastic temperature changes from -40°C up to 85°C for 27 cycles and maintaining operation.
CORROSION RESISTANCE
TUF Gaming 850W Gold is built with corrosion resistance. It can withstand up to 95% humidity with salt fog for up to 240 hours and come out the other side with full functionality. Even if you're living in tropical climates with harsh and wet conditions, TUF Gaming 850W Gold can weather the storm.
TUF Components
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 3.0 Compatible — Step into the future
The latest power specification updates have landed. ATX 3.0 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 5.0 graphics cards is bundled with the PSU, bringing large-scale capabilities.
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 warranty.
General
| Brand | ASUS |
|---|---|
| Model | TUF Gaming 850W Gold |
| Form Factor | ATX12V |
| ATX Standard | ATX 3.0 |
| Weight | 2.38 kg |
| Dimensions | 150 × 150 × 86 mm |
| Hazardous Materials | RoHS compliant |
| AURA SYNC | No |
Power & Efficiency
| Total Output | 850W |
|---|---|
| Efficiency Rating | 80 PLUS Gold (up to 92%) |
| PFC Type | Active PFC |
| AC Input Range | 100–240V AC |
| DC Output Rails | +3.3V, +5V, +12V, -12V, +5Vsb |
| +12V Maximum Load | 70.8A / 850W |
| +3.3V & +5V Combined | 25A each / 130W combined |
| -12V Output | 0.8A / 9.6W |
| +5Vsb Output | 3A / 15W |
Cooling & Reliability
| Fan Size | 135mm |
|---|---|
| Fan Bearing | Dual ball bearing |
| 0dB Fan-Off Mode | Supported |
| Capacitor Rating | 105°C, up to 170,000 hours |
| MTBF | >120,000 hours @ 40°C |
| Temperature Cycling | -40°C to 85°C, 27 cycles |
| Humidity Resistance | Up to 95% humidity with salt fog for 240 hours |
| PCB Protection | Conformal coating against moisture, dust and debris |
Connectors & Protection
| Motherboard Connector | 24/20-pin × 1 |
|---|---|
| CPU Connector | 4+4-pin × 2 |
| PCIe 16-pin (600W) | × 1 (PSU & component side) |
| PCIe 8-pin | × 3 |
| SATA | × 5 |
| Peripheral | × 4 |
| Modular Cabling | Fully modular, etched cables |
| Protection Features | OPP, OVP, UVP, SCP, OCP, OTP |
| Warranty | 10 years |
Shipping
All our products are shipped from the United Kingdom within 24 to 48 hours of purchase. See our Shipping and Returns page for full details.
Returns
- Tech Syndicate offers a full money-back guarantee on all purchases made in our store. If you are not satisfied with your purchase, we will provide a full refund, no questions asked.
- Refunds are available within 45 days of delivery.
- After the 45-day period you are no longer eligible for a refund, so we encourage you to try the product within the first few weeks to make sure it fits your needs.