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be quiet! Pure Power 12 550W Power Supply | 80 Plus Gold | ATX 3.1 | PCIe 5.1 GPU Support | Quiet PSU | 12V Rail
be quiet!

be quiet! Pure Power 12 550W Power Supply

Bottom line: The be quiet! Pure Power 12 550W Power Supply is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ German Design I German Engineering I German Quality I German Performance
  • ✓ Backed by be quiet!'s warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

be quiet! Pure Power12 550W Power Supply, 80 Plus Gold Efficiency, ATX 3.1 with Full PCIe 5.1 GPU Support, Extremely Quiet 120mm be quiet! Fan, LLC technology

SpecPicks Verdict

SpecPicks scored be quiet! Pure Power 12 550W Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. be quiet!'s power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • High Efficiency and Quiet Operation: Pure Power 12 550W offers up to 92.9% efficiency, lowering power consumption, costs, and noise—ideal for quiet systems and gaming PCs.
  • Future-Proof Compatibility: As an ATX 3.1 PSU, it supports both next-gen PCIe 5.1 (12V-2x6) and current-gen GPUs with 3 PCIe 6+2-pin connectors, making it versatile for powerful, upgradable systems.
  • Reliable Power Delivery: With a robust single 12V rail, it can handle power surges up to double its rating, ensuring stable performance for next-gen processors and GPUs.
  • Optimized Design and Cooling: Features a temperature-controlled 120mm fan with airflow-optimized blades for quiet cooling, high-quality black sleeved cables, and flat cables to enhance airflow and installation simplicity.
  • German Design I German Engineering I German Quality I German Performance

Full Specifications

Brandbe quiet!
Wattage550 watts
Model NamePure Power 12
Unit Count1 Count
Form FactorATX
Model NumberBP001US
Connector TypeATX, PCIe
Cooling MethodAir
Number of Fans1
Output Wattage550 watts
Item Dimensions6.3 x 5.91 x 3.39 inches
Mfr Part NumberBP001EU
Number of Items1
Compatible DevicesComputer System, Motherboard (ATX 3.1), Graphics Card (PCIe 5.1)
Connector Quantity4
Power Supply DesignNon-Modular
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage100 volts_of_alternating_current
Reliable Power DeliveryWith a robust single 12V rail, it can handle power surges up to double its rating, ensuring stable performance for next-gen processors and GPUs.
Item dimensions L x W x H6.3 x 5.91 x 3.39 inches
Full listing titlebe quiet! Pure Power 12 550W Power Supply | 80 Plus Gold | ATX 3.1 | PCIe 5.1 GPU Support | Quiet PSU | 12V Rail

Ready to buy?

be quiet! Pure Power 12 550W Power Supply | 80 Plus Gold | ATX 3.1 | PCIe 5.1 GPU Support | Quiet PSU | 12V Rail is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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