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Antec HCG850 PRO power supply showing modular cable ports and top fan grille
Antec HCG850 PRO power supply showing modular cable ports and top fan grille
Antec HCG850 PRO power supply showing modular cable ports and top fan grille
Rear view of Antec HCG850 PRO power supply with AC inlet and 135mm FDB fan
Front label of Antec HCG850 PRO power supply displaying 80 PLUS Platinum rating
Antec HCG850 PRO power supply rear panel with AC input and fan grille
Antec HCG850 PRO modular power supply showing full cable connector layout
Antec HCG850 PRO 850W power supply front label with 80 Plus Platinum badge
Antec HCG850 PRO power supply rear panel showing modular ports and 12VHPWR connector
Antec HCG850 PRO power supply rear I/O with AC inlet and hybrid mode switch
Antec HCG850 PRO power supply label displaying 850W ATX 3.1 specs and 80 PLUS Platinum
Antec HCG850 PRO power supply front view showing 135mm fan and HCG PRO branding
Antec HCG850 PRO modular cable set including PCIe 5.1 and SATA connectors
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Antec HCG850 PRO, 850 W, 100 - 240 V, 50/60 Hz, 11 - 5.5 A, Power Supply

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Product Code: PSEL-099

MPN #: 0-761345-20008-0

Power users know that an unstable power source can cripple even the best hardware, causing crashes, throttling or costly damage. The Antec HCG850 PRO, 850 W, 100 - 240 V, 50/60 Hz, 11 - 5.5 A, Power Supply delivers rock-solid, ultra-efficient power to keep high-end rigs running smoothly, whether you’re gaming at 4K, streaming, or overclocking.

Antec HCG850 PRO, 850 W, 100 - 240 V, 50/60 Hz, 11 - 5.5 A, Power Supply - the answer to power-stability worries

Modern PCs demand more from their power supplies: higher wattage, tighter voltage regulation and support for the latest standards. Without a reliable PSU, you risk system instability, reduced component lifespan and noisy operation. This unit solves those issues with ATX 3.1 and PCIe 5.1 compliance, a full-modular design and a suite of industrial-grade protections, giving you confidence that every component receives clean, consistent power.

Benefits

A brief look at why this PSU improves your computing experience:

  • Quiet operation thanks to the Zero RPM fan mode, so you can game or work without distracting noise.
  • 80 PLUS Platinum efficiency cuts electricity use and lowers heat output, saving on power bills.
  • Full modular cabling reduces clutter, improves airflow and makes cable management effortless.
  • Built-in CircuitShield™ safeguards protect against over-current, over-voltage and other faults, keeping your hardware safe.
  • Compact dimensions fit a wider range of cases, giving you flexibility when building or upgrading.

Usages of Antec HCG850 PRO, 850 W, 100 - 240 V, 50/60 Hz, 11 - 5.5 A, Power Supply

This power supply is ideal for high-performance gaming rigs, workstations running demanding creative software, and servers that need reliable, continuous power. Its PCIe 5.1 cable ensures compatibility with the latest RTX 40-series GPUs, while the 850 W capacity comfortably supports multi-GPU setups, overclocked CPUs and numerous peripherals.

Key Features of Antec HCG850 PRO, 850 W, 100 - 240 V, 50/60 Hz, 11 - 5.5 A, Power Supply
  • ATX version: 3.1. Provides the newest standard for power delivery and efficiency.
  • 80 PLUS certification: Platinum. Guarantees up to 94 % efficiency at typical loads, reducing waste heat.
  • Power Factor Correction (PFC) type: Active. Improves power quality and reduces strain on your mains supply.
  • Input voltage: 100 - 240 V. Works worldwide with any standard household outlet.
  • Input frequency: 50/60 Hz. Compatible with both European and North American power grids.
  • Total power: 850 W. Supplies ample headroom for top-tier CPUs and GPUs.
  • Fan diameter: 13.5 cm (135 mm). Larger fan moves more air at lower speeds for quieter cooling.
  • Weight: 3.3 kg. Sturdy yet manageable for installation.
  • Dimensions (HxWxD): 86 mm × 150 mm × 160 mm. Compact size fits smaller cases without sacrificing performance.
  • Certification: cTUVus/TUV/CB/RCM/CE/FCC/BIS/BSMI/KC/UKCA/ICES/CCC. Confirms compliance with global safety and quality standards.

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
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