ASRock Challenger CL-550B 550W 80 PLUS Bronze Non-Modular Power Supply
- Black
- ATX
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ASRock
A 750 W ATX power supply with 80 PLUS Bronze efficiency, a 120 mm fan, non-modular cables and a native 12V-2x6 connector rated for 450 W
Options ATX 80+ Bronze (750W)
The ASRock CL-750B delivers 750 W of continuous power through a standard ATX form factor. It carries 80 PLUS Bronze certification for baseline efficiency and targets value-conscious builders assembling mid-range desktop systems. The unit includes a native 12V-2x6 connector rated for 450 W to support modern graphics cards.
All cables are fixed, so unused leads must be routed behind the motherboard tray or tucked into drive bays. The single 120 mm golf-blade fan spins to maintain airflow across the internal heatsinks. Builders should verify that their case provides enough depth for the non-modular harness and that the fan intake is not blocked by a bottom-mounted radiator or drive cage.
Confirm the motherboard accepts a 24 pin ATX plug and either one or two 8 pin (4+4) EPS headers for the CPU. The GPU requires two 8 pin (6+2) PCIe connectors; adapters are not included. Four SATA power plugs serve SSDs or hard drives, while two 4 pin peripheral connectors remain for legacy devices. Ensure the case layout allows the 12V-2x6 cable to reach the graphics card without sharp bends.
| Brand | ASRock |
|---|---|
| Model | CL-750B |
| Type | ATX |
| Maximum Power | 750 W |
| Fans | 1 x 120 mm |
| Modular | Non-Modular |
| Energy-Efficient | 80 PLUS BRONZE Certified |
| Connectors | 1 x 24 pin ATX / 2 x 4 pin Peripheral / 2 x 8 pin (4+4) EPS (CPU) / 2 x 8 pin (6+2) PCIe / 4 x SATA |
| Shipping weight | 2.45 kg |
| Package size | 279 × 203 × 102 mm |
Other versions of this model
Same family, different memory, cooler or clock — compare before you commit.
The unit delivers 750 W total and includes two 8 pin (6+2) PCIe connectors plus two 8 pin (4+4) EPS connectors for the CPU, so it can power both a GPU and a multi-core processor.
Yes, a native 12V-2x6 cable is supplied and rated for 450 W, allowing a direct connection to compatible graphics cards without an adapter.
The 120 mm golf-blade fan and a built-in 5 V BOOST function help maintain airflow while keeping noise lower under typical loads.
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