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White rectangular ATX power supply unit with matte finish and modular cable ports

NZXT

NZXT PA-2G2BW-US 1200 W ATX 3.1 power supply

SKU CH-FVVP-AD3XB MPN PA-2G2BW-US

A fully modular ATX 3.1 unit delivering 1200 W with 80 PLUS Gold efficiency and a quiet 135 mm FDB fan

  • TypeATX12V v3.1 / EPS12V v2.92
  • Maximum Power1200 W
  • ModularFull Modular
  • Fans1 x 135 mm FDB
  • PFCActive @0.99
  • Energy-Efficient80 PLUS GOLD Certified

Options 1200W (White)

  • 1200 W output powers high-end GPUs and CPUs
  • 80 PLUS Gold efficiency reduces waste heat and running cost
  • Fully modular cabling keeps the build tidy and airflow clear
  • 135 mm FDB fan runs quietly under load
  • ATX 3.1 design supports modern 12 V power delivery

1200 W ATX 3.1 power supply

This fully modular unit delivers 1200 W through an ATX12V v3.1 and EPS12V v2.92 design. It targets builders who need high, stable output for demanding graphics cards and processors. The white finish suits colour-coordinated builds.

Thermals noise and power draw

A 135 mm FDB fan runs under active PFC rated at 0.99 to keep ripple low. 80 PLUS GOLD certification confirms high efficiency across typical loads. Protection circuits include OVP, UVP, SCP, OTP, OPP and OCP for safe operation.

Build quality connectors and mounting

Nylon-sleeved cables include a 600 mm 24-pin ATX lead plus 700 mm 4+4-pin and 8-pin CPU leads. The chassis measures 150 x 86 x 160 mm and carries FCC, CE, CB IEC 62368-1, UKCA and other approvals. MTBF exceeds 100000 hours.

Highlights

  • 1200 W output powers high-end GPUs and CPUs
  • 80 PLUS Gold efficiency reduces waste heat and running cost
  • Fully modular cabling keeps the build tidy and airflow clear
  • 135 mm FDB fan runs quietly under load
  • ATX 3.1 design supports modern 12 V power delivery

Specifications

BrandNZXT
ModelPA-2G2BW-US
Part NumberPA-2G2BW-US
TypeATX12V v3.1 / EPS12V v2.92
Maximum Power1200 W
ModularFull Modular
Fans1 x 135 mm FDB
PFCActive @0.99
Energy-Efficient80 PLUS GOLD Certified
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Output+3.3V@22A, +5V@22A, +12V@100A, +5VSB@3A
MTBF>100,000 Hours
ApprovalsFCC, Canada, CE, CB(IEC 62368-1), UKCA, CCC, BSMI, BIS, RCM, UAE, TUV, cTUVus, KC, CP65
Connectors24-pin ATX Power Cable: 600mm with nylon sleeving, Output Connectors: 1
4+4-pin CPU Power Cable: 700mm with nylon sleeving, Output Connectors: 1
8-pin CPU Power Cable: 700mm with nylon sleeving, Output Connectors: 1
6+2-pin PCIe Power Cable: 650mm with nylon sleeving, Output Connectors: 3
16-pin (12+4) 12V-2x6 PCIe Cable: 650mm with nylon sleeving, Output Connectors: 1
SATA Cable: 500+150mm, Output Connectors: 12
Peripherals Cable: 500+150mm, Output Connectors: 4
ColorWhite
Max PSU Length160 mm
ProtectionOVP (Over Voltage), UVP (Under Voltage), SCP (Short Circuit), OTP (Over Temp), OPP (Over Power), OCP (Over Current)
Dimensions150 x 86 x 160 mm
Shipping weight3.79 kg
Package size318 × 222 × 121 mm

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Questions about this item

How do I route the 600 mm 24-pin ATX cable and the 700 mm CPU cables through a standard ATX case without strain?

The 600 mm 24-pin and 700 mm 4+4-pin and 8-pin CPU cables are fully modular with nylon sleeving. Connect each cable at the PSU side first, then route behind the motherboard tray using the case grommets. The step many miss is seating the 24-pin connector fully until the latch clicks; a loose pin causes boot failures.

What component will need attention first after several years of continuous operation?

The 135 mm FDB fan is the only moving part. With an MTBF above 100,000 hours it should run for many years, but dust buildup on the blades reduces airflow and raises noise. Clean the fan intake with compressed air annually; if bearing noise appears, replace the fan assembly.

At what point does the 1200 W unit hit its protection limit during a heavy, sustained load?

The +12 V rail delivers up to 100 A. When total draw reaches the 1200 W maximum, over-power protection (OPP) will trigger and shut the unit down. Active PFC at 0.99 and 80 PLUS Gold efficiency keep heat lower, but sustained loads at the ceiling will trip OPP first.

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