C850 Gold Core
850 Watt 80 PLUS Gold Fully Modular ATX 3.1 PSU

The NZXT Gold Core is an ATX 3.1, fully modular PSU with 80 PLUS Gold and Cybenetics Platinum efficiency, A+/A++ noise rating, and a 12V-2x6 PCIe 5.1 connector. Built for modern GPUs, it delivers clean, quiet power with easy cable management for performance PCs.

ATX 3.1 Certified, PCIE 5.1 Ready: Supports next-gen GPUs with a dual-color 12V-2x6 connector for safe, stable, and efficient power delivery—ideal for modern NVIDIA graphics cards.
80 PLUS Gold & Cybenetics Platinum Efficiency: Delivers energy-efficient, stable performance to reduce heat and power draw, even under demanding loads.
Whisper-Quiet Operation: Cybenetics noise certified for near-silent performance: A++ for C750 and C850 (<15 dBA), A+ for C1000 (15–20 dBA).
Ready for AMD & NVIDIA GPUs: Compatible with most GPUs using a 12V-2x6 cable or up to three 8-pin PCIe cables.
FDB Fan with Zero RPM Mode: 135 mm fluid dynamic bearing fan stays quiet and efficient, with Zero RPM mode during light workloads for silent operation.
Premium 105°C-Rated Capacitors: High-quality components ensure stable, long-lasting performance across a wide range of system loads.
Fully Modular with Embossed Cables: Use only the cables you need with a clean, compact design and durable, flexible cables for easy routing.
Built-In Protections : Includes essential safety features and a dual-colored 12V-2x6 connector rated for 105°C.

Essential Power for Modern Builds

NZXT Gold Core delivers 80 PLUS Gold efficiency with full ATX 3.1 support for stable performance. Its modular design keeps cable management easy and your build clean, with broad compatibility across cases and components.

ATX 3.1 & PCIe 5.1 Ready

Meets ATX 3.1 and PCIe 5.1 standards with a 600W 12V-2x6 connector for high-performance GPUs. Delivers stable power with improved efficiency and voltage control — ideal for top-tier NVIDIA and AMD cards under heavy load.

Ready for Any GPU

Supports high-performance GPUs with a 12V-2x6 connector and dual-color housing that shows when the connection is secure. Includes up to three 8-pin PCIe cables for legacy support — offering flexibility across a wide range of powerful NVIDIA and AMD builds.

Quiet When it Counts

135 mm fluid dynamic bearing fan stays silent under light loads with Zero RPM mode—automatically stopping the fan when cooling isn’t needed.

Stable Under Pressure

105°C-rated capacitors deliver steady, reliable power—even under heavy loads.

Fully Modular

Embossed cables with included combs help keep your build and cables clean.

Sized for Easy Builds

150 mm length fits easily in most PC cases, helping keep your build clean and straightforward.

Specifications

Dimensions

Width : 150 mm
Height : 86 mm
Depth : 150 mm
Weight : 1.638 kg (3.6 lb)

General

Wattage : 850 W
Form Factor : ATX
ATX Version : 3.1
80 PLUS Rating : Gold
Cybenetics Efficiency : Platinum
Cybenetics Noise : A++
Modular : Fully modular
Capacitors : 105°C performance capacitors
Cable Type : Individually embossed with cable comb
Zero RPM Fan Mode : Yes

Cable Length & Connector Quantity

24-pin ATX Power Cable : 600 mm (1)
4+4-pin CPU Power Cable : 700 mm (1)
8-pin CPU Power Cable : 700 mm (1)
6+2-pin PCIe Power Cable : 650 mm (3)
16-pin (12+4) 12V-2x6 PCIe Power Cable : 650 mm (1) (600 W)
SATA Cables : 500 + 100 mm (8)
Peripherals Cable : 500 + 100 mm (3)

AC Input Rating

100 – 240 Vac : 10 – 5 A, 50 – 60 Hz
200 – 240 Vac (South Korea) : 5 A, 50 – 60 Hz

DC Output Rating

+3.3 V and +5 V : 20 A (120 W)
+12 V : 70.8 A (850 W)
5VSB : 3 A (15 W)
Total : 850 W

Energy Efficiency

80 PLUS Rating : Gold
10% Load : 87% @ 115 V
20% Load : 91.58% @ 115 V
50% Load : 92.1% @ 115 V
100% Load : 89.33% @ 115 V

Fan Specs

Size : 135 mm
Type : PWM
Speed : 2,300 ± 10% RPM
Airflow : 103.36 CFM
Noise Level : 40.5 dBA
Bearing : Fluid dynamic bearing

Operation

MTBF : 100,000 hours
Temperature : 0 – 50 °C (continuous full load)

Electrical Features

PF Correction : Active @ 0.99
Protections : OVP (Over Voltage), UVP (Under Voltage), SCP (Short Circuit), OTP (Over Temperature), OPP (Over Power), OCP (Over Current)

Product Info

Compliance Standard : ATX12V v3.1 / EPS12V v2.92
Regulation & Certification : CE, UKCA, FCC, IC, BSMI, CB (IEC 62368-1 Ed. 3), RCM, KC
Model Number : PA-8G3BB-UK