Power outages or unstable voltage can crash a gaming rig mid-session, leaving you frustrated and risking hardware damage. The ASUS ROG STRIX-850P, 850 W, 100 - 240 V, Gaming, Power Supply delivers reliable, high-efficiency power to keep every component running smoothly, so you can focus on winning without worry.
Usages of a 850 W Power Supply
Designed for high-performance gaming PCs and workstations, this 850 W unit powers multiple graphics cards, fast CPUs and numerous peripherals, making it ideal for intense gaming marathons, 3D rendering or streaming setups that demand constant, clean power.
Benefits of ASUS Power Supply
- Stable performance: Intelligent Voltage Stabilizer maintains consistent power to your GPU, preventing drops during heavy loads.
- Energy efficiency: GaN MOSFET technology reaches up to 30 % higher efficiency, lowering your electricity bill.
- Quiet operation: Semi-passive cooling keeps the fan off until needed, delivering a near-silent environment.
- Future-proof: ATX 3.1 compliance and a native 12V-2x6 connector ready the system for next-gen hardware.
- Safe wiring: Fully-modular, UL-certified etched cables stay cool and are easy to route, reducing the risk of short circuits.
Why Choose an ASUS Power Supply
Choosing this PSU means you get more than just wattage; you receive a suite of protections-including over-current, over-voltage and short-circuit safeguards-that keep your investment safe. The active PFC ensures clean power draw from any 100-240 V outlet, while the 120 000-hour MTBF rating gives you confidence in long-term reliability. Compared with basic units, the ASUS ROG STRIX-850P offers premium components, better heat management and a design built for demanding gamers and creators.
Key Features of a 850 W Power Supply
- Wattage: 850 W. Provides ample headroom for multi-GPU rigs and high-end CPUs.
- Efficiency: 80 PLUS Platinum. Guarantees top-tier energy conversion with minimal waste.
- Form factor: ATX. Fits standard PC cases without modification.
- Modular cabling: Fully-Modular. Lets you use only the cables you need for tidy builds.
- Fan location: Top. Improves airflow and keeps the unit cool under load.
- Cooling type: Semi-passive. Fan runs only when temperatures rise, keeping noise low.
- Weight: 1.78 kg. Light enough for easy handling yet solidly built.
- Dimensions: 86 mm × 150 mm × 160 mm. Compact size fits most cases while allowing larger heatsinks.
- Connectors: 1 × 16-pin PCIe, 3 × 6+2-pin PCIe, 20+4 pin ATX, multiple SATA and Molex. Supports a wide range of components.
- Protection: Over-current, over-power, over-voltage, overheating, short-circuit, under-voltage. Safeguards your system from electrical faults.
Specifications
| Power |
| Power protection features |
Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.3 A |
| Max output current (+5V) |
25 A |
| Max output current (+12V) |
70.8 A |
| Max output current (+3.3V) |
25 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (-12V) |
3.6 W |
| Combined power (+5V) |
130 W |
| Combined power (+12V) |
850 W |
| Combined power (+3.3V) |
130 W |
| Power Factor Correction (PFC) type |
Active |
| AC input voltage |
100 - 240 V |
| Total power |
850 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| CPU power cable length |
100 cm |
| CPU power connector (4+4 pin) |
Yes |
| PCI Express power cable length |
75 cm |
| PCI Express power connectors (16-pin) |
1 |
| PCI Express power connectors (6+2 pin) |
3 |
| Peripheral (Molex) power cable length |
400,150 mm |
| Peripheral (Molex) power connectors (4-pin) |
3 |
| SATA power cable length |
400,120 mm |
| Number of SATA power connectors |
6 |
| Motherboard power cable length |
61 cm |
| Motherboard power connector |
20+4 pin ATX |
| Performance |
| Mean time between failures (MTBF) |
120000 h |
| Silent mode |
Yes |
| ATX version |
3.1 |
| 80 PLUS certification |
80 PLUS Platinum |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| Fan location |
Top |
| Number of fans |
1 fan(s) |
| Cooling type |
Semi-passive |
| Product colour |
Black |
| Certificates |
| Compliance certificates |
RoHS |
| Packaging content |
| Cables included |
CPU, PCIe, SATA, Peripheral (Molex) |
| Weight & dimensions |
| Weight |
1.78 kg |
| Height |
86 mm |
| Depth |
150 mm |
| Width |
160 mm |
| Packaging data |
| Package type |
Box |
| Package weight |
2.8 kg |
| Package height |
108 mm |
| Package depth |
200 mm |
| Package width |
320 mm |
