be quiet!
be quiet! Pure Power 12 M 1200W
Bottom line: The be quiet! Pure Power 12 M 1200W ($127.40 on Amazon as of 2026-10-06): 1200W with dual 12V rails, handles 2000W transient spikes; main trade-off: gold, not Platinum or Titanium efficiency tier.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 1200W with dual 12V rails, handles 2000W transient spikes
- ✓ Native 12V-2x6 600W cable plus 4x PCIe 6+2 for high-end GPUs
- ✓ 80 Plus Gold, up to 93% efficiency under load
- ✓ Silence-optimized 120mm be quiet! fan with temp-controlled speed
- ✓ 10-year warranty, well above the 5-7 year norm
Cons
- ✗ Gold, not Platinum or Titanium efficiency tier
- ✗ Only one 12V-2x6 connector for multi-GPU 600W setups
- ✗ Listing text conflicts: ATX 3.1/PCIe 5.1 vs ATX 3.0/PCIe 5.0 specs
Manufacturer description
80 PLUS® Gold efficiency (up to 93.7%) , ATX 3.0 PSU with full support for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors, Exceptionally silent 120mm be quiet! fan , Advanced stability and voltage regulation thanks to LLC technology , 2 strong 12V-rails , Modular cables for maximum build flexibility , One PCIe 5.0 12VHPWR 600W and 4 PCIe 6+2 connectors for overclocked high-end GPUs .
SpecPicks Verdict
SpecPicks scored be quiet! Pure Power 12 M 1200W 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
- Exceptionally Efficient & Cost-Saving - 80 Plus Gold certified be quiet! 1200W power supply with up to 93.0% efficiency, reducing energy waste and operating costs. Generates less heat, prolonging component lifespan and ensuring cooler operation for high-performance PCs.
- Future-Proof with ATX 3.1 & PCIe 5.1 Support - PSU 1200W gold computer power supplies designed for next-gen GPUs and gaming systems, featuring PCIe 5. 12V-2x6 600W connector and 4x PCIe 6+2 connectors. Ensures seamless compatibility with current and upcoming graphics cards.
- Unmatched Power Stability & Reliability - Provides 1200W continuous power with dual 12V rails for exceptional stability. Handles transient power spikes up to 2000W, delivering uninterrupted performance for demanding gaming and workstation setups.
- Ultra-Quiet Operation with 120mm be quiet! Fan - This 1200 Watt power supply is silence-optimized cooling with temperature-controlled speed adjustments and airflow-optimized blades, ensuring near-silent performance even under heavy loads. Ideal for noise-conscious users.
- Fully Modular Cables for a Clean Build - Enjoy easy cable management and improved airfloW with fully modular cabling. Removes clutter, enhances cooling efficiency, and simplifies installation for clean and professional PC builds.
Full Specifications
| Brand | be quiet! |
|---|---|
| Wattage | 1200 watts |
| Fan Size | 12 centimeters |
| Model Name | BN513 |
| Form Factor | ATX |
| Model Number | BN513 |
| Compatibility | PC |
| Connector Type | ATX |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 1200 watts |
| Item Dimensions | 6.3 x 3.39 x 5.91 inches |
| Mfr Part Number | BN513 |
| Compatible Devices | PC |
| Connector Quantity | 6 |
| Power Supply Design | Full Modular |
| Warranty Description | 1 year |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Minimum Input Voltage | 110 volts_of_alternating_current |
| Item dimensions L x W x H | 6.3 x 3.39 x 5.91 inches |
| Full listing title | be quiet! Pure Power 12 M 1200W, ATX 3.1, Fully Modular PSU, 80+ Gold | PCIe 5.1 Ready Power Supply, Native 12VHPWR Cable, Silent 120mm Fan, LLC Topology, For High-End GPUs, 10-Year Warranty |
Ready to buy?
be quiet! Pure Power 12 M 1200W, ATX 3.1, Fully Modular PSU, 80+ Gold | PCIe 5.1 Ready Power Supply, Native 12VHPWR Cable, Silent 120mm Fan, LLC Topology, For High-End GPUs, 10-Year Warranty 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.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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