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Black rectangular ATX power supply with 120 mm fan and green accent cables

ASRock

ASRock PRO-750B 750 W power supply

SKU CH-QX2N-5JSKB MPN PRO-750B

ATX 3.1 compatible 750 W unit with a native 12V-2x6 connector, 80 PLUS Bronze efficiency and a 120 mm fan

  • ColorBlack
  • TypeATX 3.1 Compatible
  • Maximum Power750 W
  • Fans1 x 120 mm
  • Max PSU Length140 mm
  • Energy-Efficient80 PLUS BRONZE Certified

Option 750W

  • 80 PLUS Bronze certification delivers efficient 750 W power
  • ATX 3.1 and PCIe 5.1 ready with native 12V-2x6 connector
  • 120 mm fan runs quietly under load
  • Full protection suite includes OCP, SCP, OVP, UVP, OTP, OPP
  • >100,000 hour MTBF ensures long-term reliability

Value-focused ATX 3.1 power supply

The ASRock PRO-750B delivers 750 W of continuous power for mainstream desktop builds. It targets system assemblers who want dependable output without paying for premium efficiency tiers. The unit fits standard ATX bays and carries a three-year manufacturer warranty.

Single 12V-2x6 connector rated at 450 W

This model includes one native PCIe 5.1 12V-2x6 cable with dual-colour terminals that confirm full insertion. The connector supports modern graphics cards drawing up to 450 W on a single cable. Only one such connector is provided, so builds requiring two high-power GPUs cannot be accommodated.

120 mm fan with Bronze-rated efficiency

A 120 mm fan handles cooling while the 80 PLUS Bronze rating limits waste heat under typical loads. Full protection circuitry covers over-current, short-circuit, over-voltage, under-voltage, over-temperature and over-power events. Mean time between failures exceeds 100,000 hours.

Points forts

  • 80 PLUS Bronze certification delivers efficient 750 W power
  • ATX 3.1 and PCIe 5.1 ready with native 12V-2x6 connector
  • 120 mm fan runs quietly under load
  • Full protection suite includes OCP, SCP, OVP, UVP, OTP, OPP
  • >100,000 hour MTBF ensures long-term reliability

Caractéristiques

BrandASRock
SeriesPRO Series
ModelPRO-750B
ColorBlack
TypeATX 3.1 Compatible
Maximum Power750 W
Fans1 x 120 mm
Max PSU Length140 mm
Energy-Efficient80 PLUS BRONZE Certified
ProtectionOCP, SCP, OVP, UVP, OTP, OPP
MTBF>100,000 Hours
Cable SpecMotherboard cable (24pin): 1
EPS 12V CPU connectors (4+4pin): 1
PCIe5.1 connectors(12+4pin) Dual Color: 1 (450W)
PCIe connectors (6+2pin): 1
4-pin Peripheral connectors: 2
SATA 5-pin connectors: 4
Dimensions140 x 150 x 86mm
Poids d’expédition1.81 kg
Dimensions du colis267 × 203 × 102 mm

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Questions sur cet article

What does the 750 W rating mean for my build?

The 750 W rating is the maximum continuous power the unit can deliver to all components combined, enough for most mid-range CPUs and a single high-end graphics card.

How does the ATX 3.1 and PCIe 5.1 compatibility affect what I can connect?

It provides a native 12V-2x6 connector rated for 450 W, allowing a direct link to modern graphics cards without an adapter.

Will the 140 mm depth fit in my case?

The power supply measures 140 mm deep, 150 mm wide and 86 mm high, so check your case clearance against those dimensions.

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