ASRock 850W SFX (PG-850PSF)

MPN PG-850PSF UPC 4711581492547

Wattage: 850 W
Efficiency: 80 PLUS Platinum
Modular: Fully modular
Form factor: SFX
Standard: ATX 3.1
12V-2x6: Yes

Best price now

$169.99

The store's own price · checked 54 min ago · 5:54 AM

Lowest price in 30 days

Lowest in 30 days: $169.99 · typical: $169.99

Near you

In stock at 5 stores nationwide.

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Where to buy

★ 4.1 out of 5 from 57 customer ratings at Newegg. Newegg shows this rating on other versions of the product too. How we count

In store at 5 of 5 See stores $169.99

In stock ★ 4.1 (57) · Newegg · free ship · 37 min ago · 6:12 AM $169.99

In stock ASRock USA (marketplace seller) · 12 hr ago · Yesterday 6:26 PM $169.99

Not confirmed Oct 7, 7:15 PM -

In-store stock · 5 stores

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Store	Price	Stock	Open box
CCEast Bay CA	$170	2	-
CCSan Francisco CA	$170	1	-
CCSan Mateo CA	$170	3	-
CCSanta Clara CA	$170	1	-
CCSunnyvale CA	$170	3	-

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Specifications

Power

Wattage: 850 W
Efficiency: 80 PLUS Platinum
Cybenetics rating: Platinum
Standard: ATX 3.1
Native 12V-2x6 / 12VHPWR: Yes

Build

Form factor: SFX
Modular: Fully modular
Fan: 92 mm
Depth: 100 mm

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Full spec sheet from Newegg

Details/Fans: 92mm Fluid Dynamic Bearing Fan
Details/MTBF: >100,000 Hours
Details/Type: ATX 3.1 / SFX
Details/Color: Black
General/Brand: ASRock
General/Model: PG-850PSF
Features/Features: 80 PLUS Platinum efficiency, Cybenetics Platinum / A++ certification, ATX 3.1 support, iCOOL MODE (Auto), OCP/SCP/OVP/UVP/OTP/OPP protections, all Japanese capacitors, built-in 5V BOOST, PCIe 5.1 Cable TempGuard, 235% total power excursion, 100,000 hours MTBF @25°C, sleeved and individually braided cables
Details/+12V Rails: Single
Details/Connectors: 1 x 24 pin ATX, 2 x 8 pin (4+4) EPS, 1 x 16 pin (12+4) PCIe, 2 x 8 pin (6+2) PCIe, 4 x PATA, 1 x 24 pin Extension, 4 x SATA
Details/Efficiency: > 89%
Details/Protection: OCP, SCP, OVP, UVP, OTP, OPP
Fans/Top Fans Size: 92mm
Fans/Rear Fans Size: 92mm
Input/Input Current: 11A @ 100V, 5.5A @ 240V
Details/Power Rating: 850W
Details/Input Voltage: 100 - 240 V
Details/Maximum Power: 850 W
Input/Frequency Range: 50-60 Hz
Details/Main Connector: 24Pin
Details/Max PSU Length: 125 mm
Details/PSU Noise Level: Cybenetics A++
Details/Energy-Efficient: 80 PLUS PLATINUM Certified
Fans/Fans Total Quantity: 1
Output/+12V1 Max. Current: 70.9A
Fans/Top Fans Bearing Type: Fluid Dynamic Bearing
Details/Overload Protection: Yes
Fans/Rear Fans Bearing Type: Fluid Dynamic
Details/SATA Power Connector: 4
Details/Input Frequency Range: 50-60 Hz
Details/PCI-Express Connector: 1 x 12+4-Pin, 2 x 6+2-Pin
Dimension & Weight/Dimensions: 100mm x 125mm x 63.5mm
Connectors/12V Power Connector: 2 x 4+4 Pin EPS 12V, 1 x 12+4 Pin PCIe5.1
Connectors/Peripheral Connector: 4
Details/Over Voltage Protection: Yes
Protection/Over Load Protection: Yes
Protection/Over Power Protection: Yes
Protection/Over Current Protection: Yes
Protection/Short Circuit Protection: Yes
Protection/Under Voltage Protection: Yes
Protection/Over Temperature Protection: Yes
Additional Information/First Listed on Newegg: February 25, 2026

Full spec sheet from Best Buy

UPC: 4711581492547
Brand: ASRock
Modular: Fully modular
Wattage: 850.0 watts
Form Factor: ATX
Model Number: PG-850PSF
Product Name: ASRock Steel Legend PG-850PSF 850W 80+ Gold & Cybenetics Platinum Full Modular, ATX3.1/PCIe5.1, 10Y Warranty
ATX Connector: 1
Product Width: 274.32 millimeters
PCIe Connector: 1
Product Height: 101.60 millimeters
Product Length: 198.12 millimeters
Product Weight: 88.0 ounces
EPS12V Connector: 1
Warranty - Labor: Limited Warranty period (labor): 10 years
Warranty - Parts: 10 year limited warranty
Energy Efficiency: 80 PLUS Gold
PCI Express Version: PCI Express 5.1
Power Cord Included: true