NZXT C850 Core 850W ATX 3.1 Fully Modular Power Supply

The NZXT C850 Core is an 850W fully modular ATX 3.1 power supply designed for mid-to-high-end builds. It is ATX 3.1 and PCIe 5.1 compatible, includes a native 12V-2x6 connector for the latest GPU generations, and is backed by a 7-year manufacturer warranty.

UK-based seller
Tracked delivery across the UK
Genuine product sourced through established UK suppliers and distribution partners

• Wattage: 850W
• Form Factor: ATX 3.1 / PCIe 5.1
• Efficiency: 80 PLUS Gold
• Modularity: Fully modular
• Fan: 1 x 135mm fan
• +12V Rail: Single rail, 70.8A
• Native 12V-2x6 connector: Supports latest-generation GPUs without adapters
• MTBF: 100,000 hours
• Warranty: 7 years
• Colour: Black

The C850 Core steps up from the 750W model with additional PCIe output capacity, making it a better fit for more power-hungry GPU configurations. The 135mm fan keeps noise levels low under typical loads, and the compact 150mm depth fits comfortably in most modern ATX cases. A full suite of protections — OVP, UVP, OCP, OPP, SCP and OTP — safeguards all connected components.

Delivery & Fulfilment
This product is sold by TechFinder UK, a UK-based sole trader business. All hardware is sourced through established UK suppliers and distribution partners. Customers can typically expect to receive their order within 3–5 business days from the date the order is placed, with free tracked delivery across the United Kingdom.

Why Buy from TechFinder UK?

• UK-based sole trader — genuine products, real accountability
• Sourced through established distribution partners
• Secure checkout
• Free tracked UK delivery — typically 3–5 business days from the date the order is placed
• Pre- and post-purchase support available

Technical Specifications

• Form Factor: ATX 3.1
• Wattage: 850W
• Efficiency: 80 PLUS Gold
• +12V Rail: Single rail — 70.8A
• Modularity: Fully modular
• Fan: 1 x 135mm
• PFC: Active
• AC Input: 100–240VAC
• MTBF: 100,000 hours
• Motherboard Connector: 1 x 24-pin ATX
• CPU Connectors: 1 x 8-pin (4+4) EPS; 1 x 8-pin EPS
• PCIe Connectors: 1 x 16-pin 12V-2x6; 3 x 8-pin (6+2) PCIe
• SATA Connectors: 8 x SATA
• Peripheral Connectors: 3 x PATA (Molex)
• Protections: OVP, UVP, OCP, OPP, SCP, OTP
• Dimensions: 150 x 86 x 150mm (W x H x D)
• Colour: Black
• Warranty: 7 Years NZXT Manufacturer Warranty

Package Contents

• NZXT C850 Core Gold ATX 3.1 Power Supply
• UK Power Cord
• Modular Cable Set
• Mounting Screws

Product Identification
Model: C850 Core
MPN: PA-8G3BB-UK
EAN: 5056547208718