NZXT C850 Gold ATX 3.1 PSU
High-efficiency, low-noise power supply designed for top-tier GPUs and CPUs, backed by a 10-year warranty.

ATX 3.1 Compliant
Powers high-performance components with stable delivery and improved efficiency.

RTX 50 Series Ready
12V-2x6 cable delivers up to 600W for NVIDIA® GeForce RTX™ 50 Series GPUs.

Certified Efficiency
80 PLUS Gold and Cybenetics A- Noise Level Ratings for efficiency and low noise.

Silence is Golden
135mm FDB fan with Zero Fan Mode for total silence under 50% load.

Japanese Capacitors
100% Japanese capacitors for stable power and reduced ripple noise.

Fully Modular
Connect only necessary cables for a tidy build with included cable set.

Space-Saving Size
Compact form factor for better cable management and airflow.

Peace of Mind
Backed by a 10-year warranty and reliable customer support.
Product Details
Designed for maximum performance with minimal noise, the NZXT C850 Gold ATX 3.1 PSU is engineered to power high-performance PC components with stability and efficiency.
- ATX 3.1 compliant for stable power delivery and power spike resistance.
- 12V-2x6 connector delivers up to 600W for NVIDIA® GeForce RTX™ 50 Series GPUs.
- 135mm fluid dynamic bearing fan with Zero Fan Mode for silence under 50% load.
- 100% premium Japanese capacitors for reliable power with minimal ripple noise.
- Fully modular design reduces cable clutter for better airflow and aesthetics.
- Compact form factor enhances cable management and case airflow.
- Backed by a 10-year warranty for long-term reliability.
Inside the Box
- C850 Gold PSU1
- 24-Pin ATX Power Cable1
- 4+4-pin CPU Power Cable1
- 8-pin CPU Power Cable1
- 6+2-pin PCIe Power Cable3
- 16-pin (12+4) 12V-2x6 PCIe Cable1
- SATA Cable3
- Peripherals Cable1
- 6-32 Screws4
- AC Power Cord1
Tech Specs
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
Cable Specs
- 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
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, UVP, SCP, OTP, OPP, OCP
Fan Specs
- 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)
Operation
- MTBF: 100,000 hours
- Temperature: 0 - 50 °C
Dimensions
- Width: 150 mm
- Height: 86 mm
- Depth: 160 mm
General
- Material(s): Steel, PCB, Plastic
- Compliance Standard: ATX12V v3.1 / EPS12V v2.92
- Regulation & Certification: FCC, Canada, CE, CB, UKCA, CCC, BSMI, BIS, RCM, UAE, TUV, cTUVus, KC, CP65
- Warranty: 10 Years
