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NZXT C850 Gold ATX 3.1 White 850W Fully Modular Power Supply - PA-8G2BW-US
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NZXT C850 Gold ATX 3.1 White Power Supply: High Performance, Low Noise
The NZXT C850 Gold ATX 3.1 White Power Supply (PA-8G2BW-US) is designed for high-performance PC builds, delivering 850W of clean, stable power with minimal noise. Compliant with the ATX 3.1 standard, it ensures stability, efficiency, and resistance to power spikes, making it ideal for top-tier GPUs and CPUs, including NVIDIA® GeForce RTX™ 40 and 50 Series graphics cards via a durable, heat-resistant 12V-2×6 connector (up to 600W). The fully modular design allows for customized cable management, reducing clutter and improving airflow with nylon-sleeved cables (24-pin ATX, CPU, and PCIe). Its 135mm fluid dynamic bearing fan features Zero Fan Mode, remaining silent under 50% load, with a maximum noise level of 44.5 dBA at full load. Equipped with 100% premium Japanese capacitors, it offers improved hold-up time and minimal ripple noise for reliable power delivery. The compact form factor (150mm x 86mm x 160mm) optimizes case space, while robust protections (OVP, UVP, SCP, OTP, OPP, OCP) ensure safety. Backed by a 10-year warranty, the NZXT C850 Gold combines efficiency (80 Plus Gold, up to 91.7% at 50% load), durability, and a sleek white aesthetic for premium gaming and productivity builds.
Specification
Details
Brand
NZXT
Model
C850 Gold ATX 3.1 White (PA-8G2BW-US)
PSU Form Factor
ATX / PS2
Power Output
850W
Efficiency Rating
80 Plus Gold
Efficiency (10% Loading)
85.8% @ 115Vac
Efficiency (20% Loading)
89.5% @ 115Vac
Efficiency (50% Loading)
91.7% @ 115Vac
Efficiency (100% Loading)
89.2% @ 115Vac
Output Connectors
1 x 24-pin ATX Power Cable, 1 x 4+4-pin CPU Power Cable, 1 x 8-pin CPU Power Cable, 3 x 6+2-pin PCIe Power Cable, 1 x 16-pin (12+4) 12V-2x6 PCIe Cable, 12 x SATA Cable, 4 x Peripherals Cable
Cable Specs (24-pin ATX)
600 mm with nylon sleeving
Cable Specs (4+4-pin CPU)
700 mm with nylon sleeving
Cable Specs (8-pin CPU)
700 mm with nylon sleeving
Cable Specs (6+2-pin PCIe)
650 mm with nylon sleeving
Cable Specs (16-pin 12V-2x6 PCIe)
650 mm with nylon sleeving
Cable Specs (SATA)
500 + 150 mm
Cable Specs (Peripherals)
500 + 150 mm
AC Input Rating
100 - 240Vac, 10A–5A, 50Hz–60Hz
DC Output Rating (3.3V / +5V)
22A (120W)
DC Output Rating (12V)
70.83A (850W)
DC Output Rating (5Vsb)
3A (15W)
Total Output
850W
PF Correction
Active @ 0.99
Protections
OVP (Overvoltage Protection), UVP (Undervoltage Protection), SCP (Short Circuit Protection), OTP (Over Temperature Protection), OPP (Overpower Protection), OCP (Overcurrent Protection)
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