Power outages, unstable voltages and noisy fans can cripple a high-end PC, leaving you frustrated during critical gaming sessions or work. The Antec HCG850 PRO, 850 W, 100 - 240 V, 50/60 Hz, 11 - 5.5 A, Power Supply delivers reliable, silent power to keep every component running smoothly, so you can focus on performance without worry.
Why Choose Antec Power Supply
Many buyers worry about whether a PSU can handle the latest graphics cards, stay quiet under load, and last for years without failure. Confusion often arises from vague efficiency ratings and unclear protection features. This unit removes doubt with ATX 3.1 and PCIe 5.1 certification, 80 PLUS Platinum efficiency, and a full suite of industrial-grade safeguards, ensuring stable power for even the most demanding builds.
Key Features of a 850 W Power Supply
- Wattage: 850 W. Provides ample headroom for high-end CPUs and multiple GPUs.
- Efficiency: 80 PLUS Platinum. Reduces electricity waste and lowers heat output.
- Certification: ATX 3.1 & PCIe 5.1. Guarantees compatibility with the newest motherboards and RTX 40-series cards.
- Capacitors: 100 % JP capacitors. Offers tight voltage regulation and minimal ripple.
- Fan: 135 mm FDB silent fan with Zero RPM manager. Keeps noise to a minimum while cooling efficiently.
- Modularity: Fully-modular cabling. Lets you use only the cables you need for a tidy build.
- Protections: OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO. Shields your system from electrical faults.
- Dimensions: 86 mm (H) × 160 mm (D) × 150 mm (W). Fits a wide range of cases despite high power.
- Weight: 3.3 kg. Sturdy yet manageable for installation.
- Warranty: 10-year coverage. Gives long-term peace of mind.
Usages of a 850 W Power Supply
Ideal for gamers building RTX 40-series rigs, content creators running multiple monitors, and enthusiasts overclocking CPUs, this PSU supplies the stable, high-current power needed for demanding workloads while staying quiet and efficient.
Benefits of Antec Power Supply
- Silent operation: Zero RPM fan mode keeps noise virtually unheard during light use.
- Future-proof: ATX 3.1 and PCIe 5.1 support let you upgrade components without replacing the PSU.
- Energy savings: Platinum efficiency lowers your electricity bill and reduces heat.
- Safety assurance: Comprehensive protection suite guards against overloads and surges.
- Longevity: Ten-year warranty and premium components ensure the unit lasts through many upgrades.
Specifications
| Power |
| Power protection features |
No load operation, Over current, Over power, Over voltage, Short circuit, Surge & inrush protection (SIP), Under voltage |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.3 A |
| Max output current (+5V) |
20 A |
| Max output current (+12V) |
70 A |
| Max output current (+3.3V) |
20 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (-12V) |
3.6 W |
| Combined power (+5V) |
100 W |
| Combined power (+12V) |
840 W |
| Combined power (+3.3V) |
100 W |
| Power Factor Correction (PFC) type |
Active |
| Input current |
11 - 5.5 A |
| AC input frequency |
50/60 Hz |
| AC input voltage |
100 - 240 V |
| Total power |
850 W |
| Ports & interfaces |
| Cabling type |
Fully-Modular |
| ATX power connector (20+4 pin) |
Yes |
| CPU power cable length |
70 cm |
| CPU power connector (4+4 pin) |
Yes |
| PCI Express power connectors (12+4 pin) |
1 |
| PCI Express power connectors (12+4 pin) cable length |
750 mm |
| PCI Express power connectors (6+2 pin) |
3 |
| Peripheral (Molex) power cable length |
100,450 mm |
| Peripheral (Molex) power connectors (4-pin) |
3 |
| SATA power cable length |
150,400,500 mm |
| Number of SATA power connectors |
14 |
| Motherboard power cable length |
61 cm |
| Motherboard power connector |
20+4 pin ATX |
| Performance |
| Silent mode |
Yes |
| ATX version |
3.1 |
| 80 PLUS certification |
80 PLUS Platinum |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| On/off switch |
Yes |
| Fan location |
Top |
| Number of fans |
1 fan(s) |
| Fan diameter |
13.5 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Operational conditions |
| Operating temperature (T-T) |
0 - 40 °C |
| Operating temperature (T-T) |
0 - 40 °C |
| Certificates |
| Certification |
cTUVus/TUV/CB/RCM/CE/FCC/BIS/BSMI/KC/UKCA/ICES/CCC |
| Weight & dimensions |
| Weight |
3.3 kg |
| Height |
86 mm |
| Depth |
160 mm |
| Width |
150 mm |
| Packaging data |
| Package type |
Box |
| Package weight |
3.91 kg |
| Package height |
133 mm |
| Package depth |
336 mm |
| Package width |
198 mm |
