Asrock PRO-650B 650W ATX PSU, 80 PLUS Bronze
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About This Item
- 650W ATX 3.1 power supply unit with 80 PLUS Bronze efficiency
- Native PCIe 12V-2×6 cable with dual-color design for secure connection
- Low-noise 120mm fan with flat cable design for easy installation
- Comprehensive safety protections including OCP, SCP, OVP, UVP, OTP, and OPP
- Compact 140mm x 150mm x 86mm dimensions with Taiwanese capacitors
- 3-year warranty with 100,000-hour MTBF for reliable operation
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Asrock PRO-650B | 650W ATX Bronze PSU
The Asrock PRO-650B 650B ATX Power Supply Unit, 80 PLUS Bronze Certified, Low noise 120mm FAN, High Efficiency PSU is built for value-focused builders. It delivers reliable power for standard UK office and home systems. This unit suits users who need stable performance without premium extras. The 650W capacity handles typical mid-range hardware efficiently.
Asrock PRO-650B 650B ATX Power Supply Unit, 80 PLUS Bronze Certified, Low noise 120mm FAN, High Efficiency PSU
This power supply focuses on essential reliability. It uses All Taiwanese capacitors for durability. The 120mm fan provides cooling while keeping noise low. ASRock includes a full protection suite for component safety.
| Metric | Spec. |
|---|---|
| Efficiency Rating | 80 PLUS Bronze |
| ATX Version | ATX 3.1 |
| Continuous 12V Output | 54.1 A |
| Warranty | 3 Years |
| Fan Size | 120mm |
| Dimensions | 140mm x 150mm x 86mm |
Stable Power with ATX 3.1 Compliance
The unit follows the ATX 3.1 standard. It handles power excursions up to 200%. This ensures compatibility with modern components. Your system gets consistent voltage during load changes.
Dual-Colour CPU Connectors for Easy Installation
ASRock uses Classic Green connectors for the EPS 12V cables. This colour coding helps you verify secure connections. You can visually confirm proper seating before powering on. It reduces installation errors for builders.
Comprehensive Safety Protections Included
The PSU features OCP, SCP, OVP, UVP, OTP, and OPP. These safeguards protect against over-current and short circuits. They also guard against voltage fluctuations and overheating. Your hardware stays safe during normal and extreme conditions.
Compact Design for Flexible Builds
The unit measures 140mm x 150mm x 86mm. Its compact size fits most ATX cases easily. Flat cables help with tidy routing. This improves airflow inside your chassis.
Box contents
- ASRock PRO-650B Power Supply Unit
- AC Power Cord (verify UK plug type)
- Mounting screws
- User manual
Check before you buy
- Confirm your case supports ATX PSU dimensions (140mm x 150mm x 86mm).
- Verify you need 650W capacity for your components.
- Check motherboard has 24-pin and 2x EPS 12V (4+4pin) headers.
- Ensure UK plug type is supplied or available locally.
Frequently Asked Questions
Q: Does this PSU include a UK plug?
A: The input specifies an AC cord, but UK plug type is not specified. Confirm with the seller before purchase.
Q: Is the fan noise level specified?
A: The product mentions low noise but does not provide a dBA rating. Verify noise expectations if quiet operation is critical.
Q: Are PCIe 5.1 connectors included?
A: No, this unit has zero PCIe 5.1 (12+4pin) connectors. It uses 2x PCIe (6+2pin) slots.
Q: What is the warranty coverage?
A: ASRock offers a 3-year warranty. Confirm region coverage for UK customers.
Q: Does it support iCOOL mode?
A: No, iCOOL mode is not available on this model.
The Consultant’s verdict & warranty
This unit suits budget-conscious builders needing reliable 650W power for standard UK systems. It offers essential protections and ATX 3.1 compliance without premium features. Covered by the standard Manufacturer Warranty.

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