NZXT C1200 White 1200W ATX 3.1 Power Supply – 80 Plus Gold, Fully Modular, 135 mm FDB Fan, 12V-2×6 PCIe Connector, RTX-50 Series Ready

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SKU
PA-2G2BW-UK
SAR 799.68
NZXT
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  • Model / SKU: PA-2G2BW-UK / NZXT C1200 White

  • Wattage / Rail: 1200 W, single +12V rail

  • Efficiency & Standard: 80 Plus Gold, ATX 3.1 / EPS 2.92 compliant 

  • Cooling: 135 mm Fluid Dynamic Bearing fan with Zero Fan Mode (silent under ~50% load) 

  • Modularity & Connectors: Fully modular cables, includes 12V-2×6 PCIe connector (for modern GPU transient demands)

GTIN: 810074846318
Weight: 2.500000
Colour: White
Manufacturer: NZXT
Dimensions: Width 150 mm Height 86 mm Depth 160 mm
Max Output (Watts): 1,200 W
Efficiency : 80 Plus Gold Fully modular
Connector: 24-pin ATX, CPU EPS (4+4, 8-pin), 3 × 6+2 PCIe, 1 × 12V-2×6 PCIe, SATA, peripherals
Certifications: OVP, UVP, OCP, OTP, OPP, SCP

wThe NZXT C1200 White (PA-2G2BW-UK) is a cutting-edge power supply tailored for high-end gaming rigs, modern workstations, and future-proof builds. Meeting the ATX 3.1 standards, it is engineered to handle extreme transient loads (especially GPU spikes), while offering clean, stable, and efficient power delivery.

Why ATX 3.1 Matters

As GPUs evolve (e.g., Nvidia RTX 50 series), transient power demands spike dramatically. The ATX 3.1 spec ensures the power supply can safely respond to these fast demands. The C1200 is ATX 3.1 compliant and includes the necessary connectors (like 12V-2×6) to support modern graphics cards. 
In reviews, it’s noted that the C1200 can deliver momentary power up to ~2,400W under ATX 3.1, giving ample headroom for extreme scenarios. 

Performance & Efficiency

The C1200 runs on a single +12V rail, able to deliver all 1,200 W consistently. 
It is 80 Plus Gold certified, with efficiency curves typically peaking in mid-to-high loads (around 50%) and maintaining strong efficiency at both low and full loads. 

Cooling & Acoustics

A 135 mm FDB (Fluid Dynamic Bearing) fan handles thermal cooling. Below 50 % load, the PSU shifts into a Zero Fan Mode, turning off the fan entirely to run silent. 
At full load, the maximum noise is rated around 44.5 dBA.

Modular Cabling & Connectors

This PSU is fully modular — only connect what you need, reducing clutter and improving airflow. 
Key connectors included:

  • 24-pin ATX

  • 4+4 / 8-pin CPU/EPS

  • 3 × 6+2-pin PCIe

  • 1 × 12V-2×6 PCIe (for high GPU power)

  • Multiple SATA & peripheral connectors 

Build Quality & Reliability

The internals use 100 % Japanese capacitors, known for durability and stability. 
Operable temperature range is typically 0 – 50 °C. At higher ambient temps, performance remains stable. 
Warranty backing is 10 years, reflecting NZXT’s confidence in its longevity. 

Sizing & Compatibility

The PSU’s compact dimensions (~150 × 86 × 160 mm) help it fit in many cases without hogging excess space. 
To support high-end builds, the inclusion of the 12V-2×6 connector is crucial for stable GPU performance under spikes.

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