NZXT C850 Gold Core power supply unit 850 W 24-pin ATX ATX Black

£121.96 £101.63
850 W, ATX 3.1, A++, PWM, 103.36 CFM, 40.5 dBA, 100 - 240 V, 50 – 60 Hz, 150 x 150 x 86 mm
  • GPU Power: 12V-2x6 (PCIe 5.1) or triple 8-pin PCIe
  • Efficiency Rating: 80 PLUS Gold, Cybenetics Platinum
  • Noise Rating: Cybenetics A++ (<15 dBA)
  • Fan Control: Zero RPM Mode

More Information

More Information
SKU PA-8G3BB-UK
EAN 5056547208718
Manufacturer NZXT
Availability Y

Description

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 & Cybernetics 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 & 7-Year Warranty: Includes essential safety features and a dual-colored 12V-2x6 connector rated for 105°C, all backed by a 7-year warranty.

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

Cooling
Fan diameter13.5 cm
Number of fans1 fan(s)
Fan speed0 - 2300 RPM
Cooling typeActive
Performance
On/off switchYes
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Gold
PurposePC
ATX version3.1
Noise level40.5 dB
Mean time between failures (MTBF)100000 h
CertificationCE UKCA FCC IC BSMI CB (IEC 62368-1 Ed. 3) RCM KC
Bearing technologyFDB
Supported motherboard form factorsATX
Design
80 PLUS certification80 PLUS Gold
CertificationCE UKCA FCC IC BSMI CB (IEC 62368-1 Ed. 3) RCM KC
Product colourBlack
Fan diameter13.5 cm
On/off switchYes
Number of fans1 fan(s)
Fan speed0 - 2300 RPM
Cooling typeActive
Power
Total power850 W
AC input voltage100 - 240 V
AC input frequency50/60 Hz
Input current10 - 5 A
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)120 W
Combined power (+12V)850 W
Combined power (+5V)120 W
Combined power (+5Vsb)15 W
Max output current (+3.3V)20 A
Max output current (+12V)70.8 A
Max output current (+5V)20 A
Max output current (+5Vsb)3 A
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Efficiency89.33%
Ports & interfaces
Motherboard power cable length60 cm
SATA power cable length100,500,800 mm
Peripheral (Molex) power cable length100,500,700 mm
CPU power cable length70 cm
Motherboard power connector24-pin ATX
Number of SATA power connectors6
Peripheral (Molex) power connectors (4-pin)6
PCI Express power connectors (6+2 pin)3
CPU power connector (4+4 pin)Yes
PCI Express connectorYes
ATX Power connector (24-pin)Yes
Cabling typeFully-Modular
PCI Express power connectors (12+4 pin)1
PCI Express power connectors (12+4 pin) cable length650 mm
Operational conditions
Operating temperature (T-T)0 - 50 °C
Certificates
CertificationCE UKCA FCC IC BSMI CB (IEC 62368-1 Ed. 3) RCM KC
80 PLUS certification80 PLUS Gold
Packaging content
Cables includedAC, CPU, PCIe, Peripheral (Molex), SATA
Weight & dimensions
Width150 mm
Depth150 mm
Height86 mm
Packaging data
Cables includedAC, CPU, PCIe, Peripheral (Molex), SATA
Package typeBox

Delivery Details

  • UK distributors.
  • Order before 4 pm for next-day delivery.
  • Standard (2-3 days) £7.50
  • Next Day £9.99
  • Free standard delivery over £100

There are deivery surcharges to these postcodes:

Postcode Charge
IV3-40 £20
IV52-54 £20
IV63 £20
KW1-14 £20
PA10-40 £20
PH19-40 £20
PH50 £20
HS £50
IV41-51 £50
IV55-56 £50
KA27-28 £50
KW15-17 £50
PA41-49 £50
PA60-62 £50
PA76-78 £50
PH41-44 £50
ZE £50
IM £50
JE £50
GY £50
TR21-25 £50
BT £20
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SKU
PA-8G3BB-UK
865408-B21
7N67A00883
866730-001
BN239
DN-PWR24048
Manufacturer
NZXT
HPE
Lenovo
HPE
be quiet!
Digitus
Purpose
PC
server
server
server
PC
N/A
Power supply unit (PSU) form factor
ATX
N/A
N/A
N/A
SFX
N/A