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NZXT

NZXT PA-6B1BB-US C650 650 W power supply

SKU CH-RWF1-XGPPW MPN PA-6B1BB-US

Semi-modular 650 W ATX power supply with 80 PLUS Bronze efficiency, a 120 mm FDB fan, four PCIe 6+2-pin connectors and six SATA connectors

  • TypeATX12V v2.4 / EPS12V v2.92
  • Maximum Power650 W
  • ModularSemi-Modular
  • Fans1 x 120 mm FDB fan
  • PFCActive
  • Main Connector24Pin
  • Semi-modular cables simplify builds with only essential leads attached
  • 80 PLUS Bronze certification delivers efficient power conversion at 650 W
  • Single +12 V rail provides stable output for modern GPUs
  • Four 6+2-pin PCIe connectors support dual graphics cards
  • 120 mm FDB fan runs quietly with fluid-dynamic bearings

NZXT C650 650 W ATX power supply

The NZXT C650 is a 650 W ATX12V v2.4 power supply with an 80 PLUS Bronze rating. Its semi-modular design lets builders attach only the cables they need for a cleaner interior. A single +12 V rail delivers the full 650 W to components. The unit measures 140 mm deep and fits standard ATX cases.

Semi-modular cabling and single-rail layout

Two 4+4-pin EPS cables and four 6+2-pin PCIe cables are pre-attached, while SATA and peripheral cables can be added as required. This reduces clutter and improves airflow around the motherboard and graphics card. The 120 mm FDB fan runs quietly under typical loads. Active PFC corrects the power factor across the 115 V to 230 V input range.

650 W capacity with Bronze efficiency

The 650 W output handles mid-range graphics cards and modern CPUs with headroom for drives and peripherals. Bronze certification means at least 80 % efficiency at 20 %, 50 % and 100 % load. Builds with multiple high-power GPUs or extreme overclocks will exceed this unit’s rating. MTBF exceeds 100,000 hours for long-term reliability.

Highlights

  • Semi-modular cables simplify builds with only essential leads attached
  • 80 PLUS Bronze certification delivers efficient power conversion at 650 W
  • Single +12 V rail provides stable output for modern GPUs
  • Four 6+2-pin PCIe connectors support dual graphics cards
  • 120 mm FDB fan runs quietly with fluid-dynamic bearings

Specifications

BrandNZXT
ModelC650
Part NumberPA-5B1BB-US
TypeATX12V v2.4 / EPS12V v2.92
Maximum Power650 W
ModularSemi-Modular
Fans1 x 120 mm FDB fan
PFCActive
Main Connector24Pin
+12V RailsSingle
PCI-Express Connector4 x 6+2-Pin
SATA Power Connector6
Energy-Efficient80 PLUS BRONZE Certified
Input Voltage115 / 230 V
Input Frequency Range47 - 63 Hz
Input Current10 - 5 A
MTBF>100,000 Hours
ApprovalsCB / CE / FCC / TUV / cTUV-SUDus / China CCC / Taiwan BSMI R33245/ Australia RCM / EAC / UKCA / WEEE
Connectors1 x 24 pin ATX
2 x 8 pin (4+4) EPS (CPU)
4 x 8 pin (6+2) PCIe
6 x SATA
3 x 4 pin Peripheral
ColorBlack
Max PSU Length140 mm
Dimensions3.39" x 5.91" x 5.51"
Package ContentNZXT C650 Bronze PSU
24-pin ATX power (550mm)
2 x 4+4-Pin CPU Power Cables
2 x 6+2-pin PCIe Power Cable
2 x SATA Cable
Peripherals Cable
4 x 6-32 Screws
Shipping weight2.36 kg
Package size315 × 224 × 112 mm

Questions about this item

Will the 650 W capacity and single +12 V rail support a modern mid-range graphics card?

The unit delivers 650 W on a single +12 V rail with four 6+2-pin PCIe connectors, which matches the typical power and cabling needs of many mid-range GPUs.

Is the semi-modular cable set long enough for a standard ATX tower?

The fixed 24-pin ATX cable is 550 mm and the two included CPU and PCIe cables are sized for typical ATX chassis layouts.

What extra cables come in the box besides the fixed 24-pin ATX lead?

The package includes two 4+4-pin CPU cables, two 6+2-pin PCIe cables, two SATA cables, one peripheral cable and four mounting screws.

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