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be quiet! announces new System Power 11 U series PSUs

by on23 April 2025


ATX 3.1 and PCIe 5.1 support, and up to 750W

be quiet! has unveiled its latest line of budget-friendly power supplies, the System Power 11 U series, featuring ATX 3.1 and PCIe 5.1 support , and coming in 550W, 650W, and 750W versions.

As expected, the new System Power 11 U PSU series gets PCIe 5.1 support with 12V-2x6 connectors as well as up to three 6+2 PCIe connectors, uses a single 12V rail design with DC-to-DC conversion. The System Power 11 U series uses a 120 mm temperature-controlled fan, as well as includes all the usual protections, including OCP, OVP, UVP, OPP, SCP, and OTP. Since the System Power 11 U series is a budget-oriented series, bear in mind that these are non-modular power supplies. 

“System Power 11 U brings the latest power standard to an extremely competitive segment,” said Aaron Licht, CEO of be quiet!, in a press statement. “By combining ATX 3.1 readiness, solid efficiency, and the whisper-quiet operation our brand is known for, we're giving builders everything they need for modern systems.”

Backed by a 5-year warranty, the System Power 11 U series will be available at retail starting May 6, with MSRPs set at $59.90 for the 550W model, $69.90 for 650W, and $79.90 for the 750W version.

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