Open 7 days 53 Tunnel Hill, Worcester WR4 9SD No fix, no fee · No call-out charge · Free UK delivery over £500 01905 673738

Seasonic

Seasonic CORE GX V4 850W 80 PLUS Gold ATX 3.1 Modular PSU with 120mm FDB Fan, Braided Cables & 7 Year Warranty, Black

NewBrand new, not previously used.

Product code: SRP-CGX851-A5A32SF

£126.02Only 1 left
  • Wattage: 850W
  • Size/Version: ATX 3.1
  • Modular: Fully
  • SATA Connections: 6
  • Certification: Gold
  • Colour: Black

Only 1 left in stock

  • Questions? Call 01905 673738 – you'll talk to the person who builds them
  • Collect from our Worcester shop, open 7 days
  • Free UK delivery on orders over £500 – add £373.98 more to qualify
ShareFacebookWhatsAppEmail
Specifications & details
Weight 3.1 kg

The Seasonic CORE GX 850W is a fully modular ATX 3.1 power supply designed for modern gaming PCs, workstations and performance systems. With 80 PLUS Gold certification, PCIe 5.1 support and native 12V-2×6 connectivity, it provides efficient and future-ready power delivery. Seasonic’s OptiSink thermal design improves heat dissipation and airflow, while the 120mm Hydro Dynamic Bearing fan with Smart and Silent Fan Control balances effective cooling with low operating noise. Its compact 140mm chassis and black braided-pattern modular cables make it ideal for clean, modern system builds.

Key Features
80 PLUS Gold (90% efficiency at 50% system load).
ATX 3.1 and PCIe 5.1 support.
Native 12V-2×6 connectivity for modern graphics cards.
Fully Modular cable design.
120mm Hydro Dynamic Bearing (HDB) fan.
Smart and Silent Fan Control (S²FC).
Seasonic OptiSink thermal design for improved heat dissipation.
Comprehensive OCP, OPP, OTP, OVP, SCP and UVP protection.
7-year manufacturer’s warranty.

Full Specification
Model:
CORE GX 850W ATX 3.1

Manufacturer Part Number:
SRP-CGX851-A5A32SF

Output Power:
850W continuous power

Efficiency:
80 PLUS Gold (90% efficiency at 50% system load)

Voltage Rails:
Single +12V rail

+12V Output:
70A / 840W

ATX Form Factor:
ATX/EPS

ATX Standard:
ATX 3.1

PCIe Standard:
PCIe 5.1

Cabling:
Fully Modular

Connectors:
1 x 20+4-pin ATX
2 x 4+4-pin CPU/EPS
1 x 12V-2×6 (12+4-pin)
3 x 6+2-pin PCIe
6 x SATA
3 x 4-pin Molex

Fan:
120mm Hydro Dynamic Bearing (HDB) fan

Fan Speed Control:
Smart and Silent Fan Control (S²FC)

Power Input:
100-240V AC, 50/60Hz

Operating Temperature:
0-50°C

Power Output:
DC outputs: +12V, +5V, +3.3V, -12V and +5VSB

Cable Set:
Individual black cables with braided pattern

Protection:
OCP – Over Current Protection
OPP – Over Power Protection
OTP – Over Temperature Protection
OVP – Over Voltage Protection
SCP – Short Circuit Protection
UVP – Under Voltage Protection

Special Features:
Seasonic OptiSink thermal design, native PCIe 5.1 12V-2×6 connectivity, compact 140mm chassis

Warranty:
7-year manufacturer’s warranty

Dimensions without cable (L x W x H), (mm)
140 x 150 x 86

Warranty

New items carry the manufacturer's warranty where applicable.

Components returned for warranty must be in original condition and packaging where reasonable.

Warranty remedies are repair, replacement or refund. It does not cover accidental or liquid damage, power surges, or faults caused by software the customer installed. Full details are in our Terms & conditions (sections 5 and 9).

Collection & delivery

Collection and delivery

  • Collect from our shop: 53 Tunnel Hill, Worcester WR4 9SD, open seven days a week.
  • Delivery: please call us on 01905 673738 to arrange it. Delivery times are estimates.
  • Payment is made in full by the methods we accept before collection or delivery.
Customer reviews

Rated 5.0 on Google for our shop and repairs.

There are no reviews of this product yet.

Ask us a question about this product

The quickest way is to call 01905 673738 (open today – see the top of the page for the hours), or e-mail [email protected], quoting the product code SRP-CGX851-A5A32SF.

Send us a message

Go to Top