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Black SFX power supply, 100 by 125 by 63.5 mm, 92 mm fan, fully modular cables

ASRock

ASRock PG-850PSF 850W SFX power supply

SKU CH-7RP3-36HBE MPN PG-850PSF

An 850 W SFX power supply with 80 PLUS PLATINUM efficiency, ATX 3.1 and PCIe 5.1 support, fully modular cables and a 92 mm fluid-dynamic bearing fan

  • ColorBlack
  • TypeATX 3.1
  • Maximum Power850 W
  • Fans92mm Fluid Dynamic Bearing Fan
  • Energy-Efficient80 PLUS PLATINUM Certified
  • ProtectionOCP, SCP, OVP, UVP, OTP, OPP

Options PLATINUM 850W SFX

  • 850 W output powers demanding compact builds
  • 80 PLUS PLATINUM certification keeps efficiency high
  • Fully modular cables simplify SFX case routing
  • 92 mm FDB fan runs quietly under load
  • 12V-2x6 connector with temperature guard protects graphics cards

Compact SFX power for high-output builds

The ASRock PG-850PSF is an 850 W SFX power supply built to the ATX 3.1 and PCIe 5.1 specifications. It fits Mini-ITX and Micro-ATX cases while delivering the headroom modern graphics cards and CPUs demand. Fully modular cables keep the interior tidy and airflow unobstructed.

Platinum efficiency with a quiet 92 mm FDB fan

80 PLUS Platinum and Cybenetics Platinum ratings mean very little energy is wasted as heat, so the 92 mm fluid-dynamic-bearing fan can run slowly under typical loads. The unit handles up to 235 % power excursion and meets Lambda A++ noise targets. Protections include OCP, SCP, OVP, UVP, OTP and OPP across the 100-240 V, 50/60 Hz input range.

Native 12V-2x6 cable with thermal monitoring

A single 12V-2x6 connector ships in dual-colour sleeving that shows when the plug is fully seated, and an onboard NTC sensor feeds temperature data back to the PSU for automatic protection. The +5 V Boost function holds the rail near 5.15 V to counter voltage drop. Four SATA connectors, four peripheral plugs, two EPS cables and two 6+2-pin PCIe cables complete the modular set.

Highlights

  • 850 W output powers demanding compact builds
  • 80 PLUS PLATINUM certification keeps efficiency high
  • Fully modular cables simplify SFX case routing
  • 92 mm FDB fan runs quietly under load
  • 12V-2x6 connector with temperature guard protects graphics cards

Specifications

BrandASRock
ModelPG-850PSF
ColorBlack
TypeATX 3.1
Maximum Power850 W
Fans92mm Fluid Dynamic Bearing Fan
Energy-Efficient80 PLUS PLATINUM Certified
ProtectionOCP, SCP, OVP, UVP, OTP, OPP
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
ConnectorsMotherboard cable (24pin): 1
EPS 12V CPU connectors (4+4pin): 2
PCIe5.1 connectors(12+4pin) Dual Color: 1
PCIe connectors (6+2pin): 2
4-pin Peripheral connectors: 4
SATA 5-pin connectors: 4
MTBF>100,000 Hours
Dimensions100mm x 125mm x 63.5mm
Shipping weight2.50 kg
Package size274 × 198 × 102 mm

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Questions about this item

Will this SFX unit fit my mini-ITX case?

The power supply uses the standard SFX form factor at 100mm x 125mm x 63.5mm and is compatible with all SFX cases, making it suitable for mini-ITX and micro-ATX builds.

Does the 850W rating support a modern GPU with the new 12V-2x6 connector?

Yes, it includes one native PCIe 5.1 12V-2x6 dual-colour cable rated for 235% power excursion, plus two 6+2-pin PCIe connectors for additional graphics cards.

How quiet is the cooling fan under load?

A 92mm fluid-dynamic-bearing fan with auto iCOOL intelligent control adjusts speed based on temperature, and the unit carries Cybenetics LAMBDA A++ certification for low noise.

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