be quiet! System Power 11 750W PSU

be quiet! System Power 11 750W | Quiet, Reliable ATX PSU

The be quiet! System Power 11 750W power supply unit 20+4 pin ATX ATX Black delivers proven reliability and quiet operation for value-oriented PC builders. Designed with ATX 3.1 compatibility and a temperature-controlled fan, this PSU offers entry-level performance without compromising on essential features.

Key Specifications

Built for Quiet, Reliable Performance

The System Power 11 750W features a temperature-controlled 12 cm rifle bearing fan that adjusts speed based on system load, keeping noise levels to just 33.4 dB under typical use. This makes it ideal for home offices, media centres, and gaming setups where quiet operation matters. The 80 PLUS Bronze certification ensures at least 90% efficiency, reducing heat and energy waste during operation.

Complete Protection for Your Components

This PSU includes comprehensive power protection features: over current, over power, over voltage, overheating, short circuit, surge & inrush, and under voltage protection. With a 17.34 ms hold time, it maintains stable power delivery during brief interruptions. The single +12V rail design simplifies installation while providing reliable power to all components.

Flexible Connectivity for Modern Systems

The System Power 11 750W offers extensive connectivity options including a 20+4 pin ATX motherboard connector, six SATA power connectors, three PCIe 6+2 pin connectors, and both 4-pin and 4+4 pin CPU power connectors. The non-modular cabling design keeps costs down while providing all necessary connections for most modern PC builds.

Box Contents

• be quiet! System Power 11 750W power supply unit
• Power cable (UK plug should be confirmed with retailer)
• Mounting screws
• Cable ties for cable management

Check Before You Buy

• Confirm the power supply includes a UK 3-pin plug
• Verify the dimensions (150 x 86 x 140 mm) fit your PC case
• Check that your graphics card requires no more than three PCIe connectors
• Ensure your system’s total power draw stays under 750W for optimal performance

Frequently Asked Questions

Q: Is this power supply compatible with ATX 3.1 motherboards?

A: Yes, the System Power 11 750W supports ATX 3.1 and EPS 2.92 standards for modern system compatibility.

Q: Can this PSU handle a high-end gaming PC?

A: With 750W total power and 750W on the +12V rail, it’s suitable for most gaming systems with a single high-end GPU.

Q: Does it have a power switch?

A: Yes, there’s a rear on/off switch for convenient power control.

Q: What type of fan bearing does it use?

A: It uses rifle bearing technology for quiet, reliable operation.

Q: Is this power supply modular?

A: No, it features non-modular cabling to keep costs down while providing all necessary connections.

The Consultant’s Verdict & Warranty

The be quiet! System Power 11 750W power supply unit 20+4 pin ATX ATX Black represents excellent value for budget-conscious builders who prioritise quiet operation and reliability. Its ATX 3.1 compatibility, comprehensive protection features, and proven build quality make it a solid choice for home offices, media PCs, and mainstream gaming systems. Covered by the standard Manufacturer Warranty, this PSU delivers be quiet!’s signature quiet performance at an accessible price point.