Asrock PRO-750B 750W PSU, 80 Plus Bronze, ATX

Asrock PRO-750B | 750W Bronze ATX 3.1 PSU

The Asrock PRO-750B 750W ATX Power Supply Unit, 80 Plus Bronze Certified, 120mm Silent Cooling Fan, High Efficiency PSU targets value-focused system builders. This unit delivers reliable power for mid-range gaming and productivity PCs. It features a native PCIe 12V-2×6 cable with a dual-colour design for easy connection verification. Because it is ATX 3.1 compliant, it handles power excursions well. For example, it supports modern graphics cards safely. In practice, this PSU balances cost and essential protection features for UK users.

Technical Specifications

ATX 3.1 Compliance & Power Excursion

This PSU meets the ATX 3.1 standard. It supports a total power excursion of 200%. This means it can handle sudden power spikes from modern components. For example, high-end graphics cards often demand brief power surges. This unit manages those safely. Because it is ATX 3.1, it is ready for next-generation hardware. However, always verify your specific component power requirements before purchase.

Silent Cooling & Build Quality

The unit uses a 120mm fan for cooling. This listing does not specify noise levels or a zero-RPM mode. Therefore, confirm acoustic performance if silent operation is critical for your build. All capacitors are Taiwanese, which is a common standard for reliability. The dimensions are 140mm x 150mm x 86mm. Check your PC case clearance before buying.

Comprehensive Protection Suite

ASRock includes a full suite of protections. These are OCP, SCP, OVP, UVP, OTP, and OPP. They safeguard your components during normal and extreme power levels. For example, OCP prevents over-current damage to connected devices. This is vital for system stability and longevity. In practice, these features offer peace of mind for daily use.

Native PCIe 12V-2×6 Cable

The PSU features a native PCIe 12V-2×6 cable with a dual-colour design. ASRock Classic Green connectors help you see if the connection is secure. This reduces installation errors. The cable delivers up to 450W for modern GPUs. However, this listing does not specify the cable length. You should verify this fits your case layout.

In the box

• ASRock PRO-750B ATX Power Supply Unit
• Native PCIe 12V-2×6 Cable (Dual Color Design)

Before you order

• Confirm your case supports ATX PSU dimensions (140mm x 150mm x 86mm).
• Verify you have a UK plug adapter or cable, as this is not listed here.
• Check your graphics card requires a 12V-2×6 or 12VHPWR connector.
• Ensure your motherboard has a 24-pin and EPS 12V CPU connector.

Buyer FAQs

The bottom line

This PSU is ideal for budget-conscious builders upgrading to ATX 3.1 hardware. It suits mid-range gaming PCs needing reliable power and basic protections. The dual-colour PCIe cable simplifies installation for beginners. However, it lacks advanced features like zero-RPM mode or cable guards. Covered by the applicable manufacturer warranty.