Power SuppliesSeasonic
Seasonic Core GX 850W Fully Modular 80+ Gold PCIE 5.1 Power Supply/PSU ATX3.1
MPN: Core GX 850
Key specifications
Wattage850 W
Form factorATX 3.1
ModularFull Modular
Efficiency80 PLUS Gold
Depth140 mm
Full Specifications49 fields
Additional Information
Model Number
Core GX 850
Gtin
4711173878476
Cable Specifications
Max Cpu Power Cable Length
750 mm
Max 24 Pin Motherboard Power Cable Length
610 mm
Colour
Primary Colour
Black
Cooling
Semi Passive Power Supply
Yes
Dimensions
Length Depth
140 mm
Width
150 mm
Height
86 mm
Efficiency Class
80plus Efficiency
80 PLUS Gold
Fan Specifications
Fan Size
120 mm
Internal Ports
Cpu Power Connectors 12v Atx Eps
2
8 Pin Pcie Power Connectors
1
6 2 Pin Pcie Power Connectors
1
Sata Power Connectors
3
4 Pin Molex Power Connectors
3
Lighting
Lighting Rgb
No
Power Specifications
Total Power Output
850 W
Power Output 12v Rails
840 W
Power Supply
Psu Format
ATX
Atx Standard
ATX 3.1
12v Distribution
single rail
Modular Power Supply
Yes
Specifications
Form Factor
ATX 3.1
Edition
Core GX ATX3 (2024)
Wattage
850 W
Energy Efficiency Certification
80 PLUS Gold
Max Efficiency At 230vac
-
Cooling
Fan
Fans
1 x 120mm
Internal 12v Rails
Single Rail
Rail 1 12v
70 A
Rail 2 12v
N/A
Rail 3 12v
N/A
Rail 4 12v
N/A
Rail 5 12v
N/A
Rail 6 12v
N/A
Max Combined Output 12v
70 A
Modular
Yes
Modularity
Full Modular
Sli Crossfire
No
Eps 12v
Yes
Motherboard Connector
20+4-pin
Connectors
1 x 12VHPWR
2 x 4+4-pin CPU +12V (EPS)
3 x 4-pin Molex
3 x 6+2-pin PCIe
6 x SATA
Dimensions
150 x 86 x 140 (WxHxD)
Package Type
Retail
Warranty
7 Year
Best indexed price
£126.25GBP
Indexed 25 May 2026 — verify at retailer
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