The NZXT C850 Gold ATX 3.1 power supply is built on the revised ATX 3.1 standard and introduces the 12VHPWR 2x6pin connector found in Nvidia's GeForce RTX 40 series cards and is rated for up to 600W. This fully modular, 80 Plus Gold power supply also features a Zero RPM fan mode for whisper-quiet operations under light power loads up to 50%.
Features
C850 Gold ATX 3.1 - 850 Watt 80 PLUS Gold Fully Modular ATX 3.1 PSU
Designed for maximum performance with minimal noise, NZXT C Series Gold ATX 3.1 PSUs are ready to fuel the demands of top-tier GPUs and CPUs.
- Compliant with the ATX 3.1 standard to fuel high-performance PC components with stability, efficiency, and power spike resistance.
- Durable, heat-resistant 12V-2x6 connector pumps up to 600 watts to NVIDIA® GeForce RTX™ 40 Series graphics cards.
- 135mm fluid dynamic bearing fan with Zero Fan Mode is completely silent when under 50% load.
- 100% premium Japanese capacitors improve hold-up time and minimal ripple noise, ensuring reliable and stable power delivery.
- Fully modular design allows for only connecting essential cables, reducing clutter for better airflow and a neater build.
- Compact form factor frees up valuable room for cable management and more case airflow.
- Thanks to high-quality construction and rigorous product testing, NZXT PSUs are backed by a 10-year warranty.
NZXT Gold ATX 3.1 PSU
ATX 3.1 compliant PSUs featuring high efficiency, low noise, and premium construction.
ATX 3.1 Compliant
ATX 3.1 powers high-performance components with stable delivery and improved efficiency.
40 Series Ready
12V-2x6 cable delivers up to 600 watts of power to NVIDIA® GeForce RTX™ 40 Series GPUs.
Certified for High Efficiency & Low Noise
80 PLUS Gold Efficiency, Cybenetics Gold Efficiency, and Cybenetics A- Noise Level Ratings.
Silence is Golden
135mm FDB fan with Zero Fan Mode stops spinning under 50% load for total silence.
100% Japanese Capacitors
Improved hold-up time and reduced ripple noise for stable, reliable power delivery.
Fully Modular
Only connect the cables needed to keep a tidy build. Full cable set included.
Space-Saving Size
Compact form factor frees up room for cable management and improved airflow.
Peace of Mind
Backed by a 10-year warranty and reliable customer support.
Specifications
General Data
| Model Number |
PA-8G2BW-AU |
| Colour |
White |
| Height |
86 mm |
| Width |
150 mm |
| Depth |
160 mm |
| Material(s) |
Steel, PCB and Plastic |
| 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 |
| Warranty |
10 Years |
| Inside the Box |
1 x C850 Gold
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
3 x SATA Cable
1 x Peripherals Cable
4 x 6-32 Screws
1 x AC Power Cord |
Output Connectors
| 24-pin ATX Power Cable |
1 |
| 4+4-pin CPU Power Cable |
1 |
| 8-pin CPU Power Cable |
1 |
| 6+2-pin PCIe Power Cable |
3 |
| 16-pin (12+4) 12V-2x6 PCIe Cable |
1 |
| SATA Cable |
12 |
| Peripherals Cable |
4 |
Fan
| Dimensions |
135 x 135 x 25 mm |
| Speed |
2300 ± 10% RPM |
| Airflow |
93.02 CFM (Min.) |
| Noise |
44.5 dBA max |
| Bearing |
Fluid Dynamic Bearing (FDB) |
Cable
| 24-pin ATX Power Cable |
600mm with nylon sleeving |
| 4+4-pin CPU Power Cable |
700mm with nylon sleeving |
| 8-pin CPU Power Cable |
700mm with nylon sleeving |
| 6+2-pin PCIe Power Cable |
650mm with nylon sleeving |
| 16-pin (12+4) 12V-2x6 PCIe Cable |
650mm with nylon sleeving |
| SATA Cable |
500 + 150mm |
| Peripherals Cable |
500 + 150mm |
Operation
| MTBF |
100,000 hours |
| Temperature |
0 - 50 °C |
AC Input Rating
| 100 - 240Vac |
10A-5A 50Hz-60Hz |
DC Output Rating
| 3.3V / +5V |
22A (120W) |
| 12V |
70.83A (850W) |
| 5Vsb |
3A (15W) |
| Total |
850W |
Energy Efficiency
| Rating |
80 Plus Gold |
| 10% loading |
85.8% @115Vac |
| 20% loading |
89.5% @115Vac |
| 50% loading |
91.7% @115Vac |
| 100% loading |
89.2% @115Vac |
Electrical Features
| 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) |
Backed by a 10 year NZXT warranty.
