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Black rectangular ATX power supply with 120 mm fan and modular cables

ASRock

ASRock PRO-650G 650 W power supply

SKU CH-682C-8N3J3 MPN PRO-650G

ATX 3.1 compatible 650 W unit with 80 PLUS Gold efficiency, a 120 mm fan and full protection suite

  • ColorBlack
  • TypeATX 3.1 Compatible
  • Maximum Power650 W
  • Fans1 x 120 mm
  • Max PSU Length140 mm
  • Energy-Efficient80 PLUS GOLD Certified

Option 650W

  • 80 PLUS Gold certification saves energy at up to 650 W output
  • ATX 3.1 compatibility fits modern motherboards without adapters
  • 120 mm fan runs quietly while cooling the 140 mm depth chassis
  • Full protection suite OCP SCP OVP UVP OTP OPP guards every rail
  • MTBF rated above 100000 hours for long-term reliability

ATX 3.1 compatible 650 W unit

The ASRock PRO-650G is an ATX 3.1 compatible power supply rated at 650 W. It carries 80 PLUS Gold certification for high efficiency. A single 120 mm fan provides cooling in a compact 140 mm depth chassis. It fits standard ATX cases and supports modern platform requirements.

Value builds needing one GPU

This unit suits builders assembling a mid-range system with a single graphics card. It provides one 6+2 pin PCIe connector and one EPS 4+4 pin CPU connector. Builds requiring two or more PCIe power cables should look at a different model. The 650 W limit also rules out high-end multi-GPU configurations.

One 6+2 pin PCIe connector

The power supply includes exactly one 6+2 pin PCIe connector for graphics card power. Verify that your chosen GPU requires only a single such connector before purchasing. The unit also supplies four SATA connectors and two 4-pin peripheral connectors for drives and accessories.

Highlights

  • 80 PLUS Gold certification saves energy at up to 650 W output
  • ATX 3.1 compatibility fits modern motherboards without adapters
  • 120 mm fan runs quietly while cooling the 140 mm depth chassis
  • Full protection suite OCP SCP OVP UVP OTP OPP guards every rail
  • MTBF rated above 100000 hours for long-term reliability

Specifications

BrandASRock
SeriesPRO Series
ModelPRO-650G
ColorBlack
TypeATX 3.1 Compatible
Maximum Power650 W
Fans1 x 120 mm
Max PSU Length140 mm
Energy-Efficient80 PLUS GOLD Certified
ProtectionOCP, SCP, OVP, UVP, OTP, OPP
MTBF>100,000 Hours
Cable SpecMotherboard cable (24pin): 1
EPS 12V CPU connectors (4+4pin): 1
PCIe connectors (6+2pin): 1
4-pin Peripheral connectors: 2
SATA 5-pin connectors: 4
Dimensions140 x 150 x 86mm
Shipping weight1.81 kg
Package size267 × 203 × 102 mm

Other versions of this model

2 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 140 mm length fit my ATX case?

The unit measures 140 mm deep, 150 mm wide and 86 mm high, matching standard ATX dimensions.

How do I connect the 24-pin motherboard cable without bending pins?

Route the single 24-pin cable through the case grommet first, then press it straight onto the board header until the latch clicks.

When should I plan to replace the 120 mm fan?

The fan is rated for over 100000 hours MTBF, so replacement is unlikely during normal use.

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