NZXT C850 Gold ATX 3.1 Fully Modular Low-Noise PC Gaming Power Supply (White)

₹12,369

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The C850 Gold ATX 3.1 power supply is designed for PC builders who want reliable, efficient power for high-performance systems. It delivers stable power with minimal noise for demanding components like the latest GPUs and CPUs.

Full specifications ↓

Highlights

ATX 3.1 compliant for stable power to high-performance PC components
Fully modular design with essential cables for cleaner builds
Zero RPM fan mode keeps noise low under 50% load
100% premium Japanese capacitors for stable power delivery
135 mm fluid dynamic bearing fan with 100,000-hour lifespan
10-year warranty for long-term reliability
850W Gold efficiency with 91.7% at 50% load
Compliant with multiple global safety standards including CE, FCC, and BIS

Specifications

Wattage	850 W
Color	White
Form Factor	ATX
ATX Version	3.1
80 PLUS Rating	Gold
Cybenetics Efficiency	Cybenetics Gold
Modular	Fully modular
Materials	Steel, PCB and plastic
Zero RPM Fan Mode	Yes
Cable Length & Connector Quantity	24-pin ATX Power Cable (600 mm), 4+4-pin CPU Power Cable (700 mm), 8-pin CPU Power Cable (700 mm), 6+2-pin PCIe Power Cable x3 (650 mm), 16-pin (12+4) 12V-2x6 PCIe Power Cable (650 mm), SATA Cable x3 (500 + 150 mm, 12 connectors), Peripherals Cable (500 + 150 mm, 4 connectors)
AC Input Rating	100 – 240 Vac, 10 – 5 A, 50 – 60 Hz
DC Output Rating	+3.3 V and +5 V: 22 A (120 W), +12 V: 70.83 A (850 W), 5VSB: 3 A (15 W)
Energy Efficiency	10% Load: 85.8% @ 115 V, 20% Load: 89.5% @ 115 V, 50% Load: 91.7% @ 115 V, 100% Load: 89.2% @ 115 V
Fan Specs	Size: 135 mm, Type: PWM, Speed: 2,300 ± 10% RPM, Airflow: 93.02 CFM (Min.), Noise Level: 44.5 dBA (max), Bearing: Fluid dynamic bearing, MTBF: 100,000 hours
Operation	Temperature: 0 – 50 °C
Electrical Features	Active @ 0.99, Protections: OVP (Over Voltage), UVP (Under Voltage), SCP (Short Circuit), OTP (Over Temperature), OPP (Over Power), OCP (Over Current)
Compliance Standard	ATX12V v3.1 / EPS12V v2.92
Regulation & Certification	FCC, Canada, CE, CB (IEC 62368-1), UKCA, CCC, BSMI, BIS, RCM, UAE, TUV, cTUVus, KC, CP65

Who should buy it

This power supply is ideal for gamers and professionals building high-end PCs with NVIDIA RTX 50 Series GPUs. It may not suit users needing a power supply for older systems not supporting ATX 3.1.

Compatibility

The C850 Gold works with ATX 3.1 systems and supports NVIDIA GeForce RTX 50 Series GPUs via the included 12V-2x6 cable. It requires a standard 24-pin motherboard connector and compatible components.

RTX 50 Series Ready: 12V-2x6 cable delivers up to 600 watts of power to NVIDIA® GeForce RTX™ 50 Series GPUs.
ATX 3.1 compliant PSUs featuring high efficiency, low noise, and premium construction.

What's in the box

24-pin ATX Power Cable
4+4-pin CPU Power Cable
8-pin CPU Power Cable
6+2-pin PCIe Power Cable x3
16-pin (12+4) 12V-2x6 PCIe Power Cable
SATA Cable x3
Peripherals Cable
AC Power Cord
Installation Accessories

Frequently asked questions

Does the C850 Gold support 12V-2x6 graphics cards?

Yes, the C850 Gold includes a 16-pin (12+4) 12V-2x6 PCIe Power Cable that delivers up to 600 watts to NVIDIA GeForce RTX 50 Series GPUs.

Does the C850 Gold have a zero RPM fan mode?

Yes, the C850 Gold features a Zero RPM Fan Mode that keeps the fan silent under 50% load.

How efficient is the C850 Gold?

The C850 Gold achieves 91.7% efficiency at 50% load, with 89.5% at 20% load and 85.8% at 10% load.

Is the C850 Gold fully modular, and what cables are included?

Yes, the C850 Gold is fully modular. It includes a 24-pin ATX Power Cable, 4+4-pin CPU Power Cable, 8-pin CPU Power Cable, 6+2-pin PCIe Power Cable x3, 16-pin (12+4) 12V-2x6 PCIe Power Cable, SATA Cable x3, and Peripherals Cable.

Brand warranty: 10 years from the manufacturer — TechCure India helps you with the claim.

Why buy from TechCure India

Genuine product with brand warranty
GST invoice on every order
Insured delivery across India
Free compatibility check before dispatch — or build a full PC with our PC Builder

Specifications

Brand	NZXT
Category	Power Supply Unit
Model / MPN	PA-8G2BW-UK
Wattage	850 W
Color	White
Form Factor	ATX
ATX Version	3.1
80 PLUS Rating	Gold
Cybenetics Efficiency	Cybenetics Gold
Modular	Fully modular
Materials	Steel, PCB and plastic
Zero RPM Fan Mode	Yes
Cable Length & Connector Quantity	24-pin ATX Power Cable (600 mm), 4+4-pin CPU Power Cable (700 mm), 8-pin CPU Power Cable (700 mm), 6+2-pin PCIe Power Cable x3 (650 mm), 16-pin (12+4) 12V-2x6 PCIe Power Cable (650 mm), SATA Cable x3 (500 + 150 mm, 12 connectors), Peripherals Cable (500 + 150 mm, 4 connectors)
AC Input Rating	100 – 240 Vac, 10 – 5 A, 50 – 60 Hz
DC Output Rating	+3.3 V and +5 V: 22 A (120 W), +12 V: 70.83 A (850 W), 5VSB: 3 A (15 W)
Energy Efficiency	10% Load: 85.8% @ 115 V, 20% Load: 89.5% @ 115 V, 50% Load: 91.7% @ 115 V, 100% Load: 89.2% @ 115 V
Fan Specs	Size: 135 mm, Type: PWM, Speed: 2,300 ± 10% RPM, Airflow: 93.02 CFM (Min.), Noise Level: 44.5 dBA (max), Bearing: Fluid dynamic bearing, MTBF: 100,000 hours
Operation	Temperature: 0 – 50 °C
Electrical Features	Active @ 0.99, Protections: OVP (Over Voltage), UVP (Under Voltage), SCP (Short Circuit), OTP (Over Temperature), OPP (Over Power), OCP (Over Current)
Compliance Standard	ATX12V v3.1 / EPS12V v2.92
Regulation & Certification	FCC, Canada, CE, CB (IEC 62368-1), UKCA, CCC, BSMI, BIS, RCM, UAE, TUV, cTUVus, KC, CP65
Condition	New, sealed box
Warranty	Manufacturer warranty · details
Invoice	GST tax invoice (input credit available)
Delivery	Insured shipping to every serviceable pin code in India