be quiet! System Power 11 450W Power Supply, ATX 3.1 PSU, With Support For PCIe 5.1 GPUs, Temperature-Controlled 120mm Quality Fan, Strong 12V-Rail, DC-to-DC Technology, 80 PLUS® Bronze Efficiency

be quiet! System Power 11 450W Power Supply, ATX 3.1 PSU, With Support For PCIe 5.1 GPUs, Temperature-Controlled 120mm Quality Fan, Strong 12V-Rail, DC-to-DC Technology, 80 PLUS® Bronze Efficiency

be quiet! System Power 11 450W Power Supply, ATX 3.1 PSU, With Support For PCIe 5.1 GPUs, Temperature-Controlled 120mm Quality Fan, Strong 12V-Rail, DC-to-DC Technology, 80 PLUS® Bronze Efficiency

Overall Rating: 1.5 / 5 (average from multiple review sources, as of 27 Jun 2026)
Based on a total of 65 customer reviews from independent review platforms.

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£42.99
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Be Quiet System Power 11 PSU 450W-750W 80+ Bronze ATX 3.1 PCIe 5.1 Power Supply

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 22 Jun 2026)
Based on a total of 23,194 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 1 - 3 working days of receiving cleared payment.
£55.99
GBP 55.99 / Unit
be quiet! System Power 11 450W Power Supply, ATX 3.1 PSU, With Support For PCIe 5.1 GPUs, Temperature-Controlled 120mm Quality Fan, Strong 12V-Rail, DC-to-DC Technology, 80 PLUS® Bronze Efficiency

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System Power 11 450W is an ATX 3.1 PSU and comes with both native integration of the 12V-2x6 connector for next-generation PCIe 5.1 graphics cards, and PCIe 6+2-pin connectors for support of current-gen GPUs. It handles power excursions up to double its rated power with ease. This makes the PSU versatile and the perfect choice for systems of today and the ones to come. System Power 11 450W is equipped with a temperature-controlled 120mm quality fan. It provides the low noise operation that be quiet! is famous for, offering remarkable quietness at this price-level. System Power 11 450W provides stable and dependable power for CPU and GPU. This ensures a steady and reliable operation even when your PC meets an unexpectedly heavy load. The 80 PLUS Bronze certification of System Power 11 450W Bronze with an efficiency rating of up to 89.0% is convincing evidence of this PSU’s power saving operation. System Power 11 450W provides enough power for demanding graphics cards. Safety protections defend against overcurrents, over- and undervoltages, overtemperature, short circuits and overloads, thus keeping your valuable components safe.
£42.99
In stock. Express Delivery available with Amazon Prime.
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be quiet! System Power 11 450W Power Supply, ATX 3.1 PSU, With Support For PCIe 5.1 GPUs, Temperature-Controlled 120mm Quality Fan, Strong 12V-Rail, DC-to-DC Technology, 80 PLUS® Bronze Efficiency - Details

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We have found 2 prices for be quiet! System Power 11 450W Power Supply, ATX 3.1 PSU, With Support For PCIe 5.1 GPUs, Temperature-Controlled 120mm Quality Fan, Strong 12V-Rail, DC-to-DC Technology, 80 PLUS® Bronze Efficiency. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.

be quiet! System Power 11 450W Power Supply, ATX 3.1 PSU, With Support For PCIe 5.1 GPUs, Temperature-Controlled 120mm Quality Fan, Strong 12V-Rail, DC-to-DC Technology, 80 PLUS® Bronze Efficiency - Price Information

  • Cheapest price: £42.99
  • The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
  • The price range for the product be quiet! System Power 11 450W Power Supply, ATX 3.1 PSU, With Support For PCIe 5.1 GPUs, Temperature-Controlled 120mm Quality Fan, Strong 12V-Rail, DC-to-DC Technology, 80 PLUS® Bronze Efficiency is €£42.99to €£55.99 with a total of 2 offers.
  • Payment methods: The online shop Amazon-marketplace.co.uk supports: Direct debit, Visa, Mastercard
  • Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by Amazon-marketplace.co.uk.

3 Variants from £40.21

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