be quiet! Straight Power 12 BN339
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog be quiet! 2025 - new arrivals, bestsellers, and the most relevant models be quiet!.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog be quiet! 2025 - new arrivals, bestsellers, and the most relevant models be quiet!.
Buy be quiet! Straight Power 12 BN339
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be quiet! Straight Power 12 1200W 80+ Platinum ATX 3.0 PCIE 5.0 Power Supply Unit - BN339 BN339 | £244.99 |  | |||
be quiet! Straight Power 12 power supply unit 1200 W 20+4 pin ATX ATX Black BN339 | £216.68 |  | |||
| £199.99 |  | ||||
| £199.99 | | ||||
Series be quiet! Straight Power (high efficiency)Compare using chart →
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 9, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Platinum, warranty 10 years
1000 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 9, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Platinum, warranty 10 years
750 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 9, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Platinum, warranty 10 years
750 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 11, Molex 4, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 5 years
1500 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 2 x 16 pin, SATA 9, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Platinum, warranty 10 years
1200 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 2 x 16 pin, SATA 9, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Platinum, warranty 10 years
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 11, Molex 4, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 5 years
1000 W, 24+8+8(4+4) pin, 6 х 6+2 pin, SATA 11, Molex 4, ATX, modular, Efficiency 93 %, mining, certificate 80+ Gold, warranty 5 years
500 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 9, Molex 3, ATX, Efficiency 93 %, certificate 80+ Gold, warranty 5 years
450 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 8, Molex 3, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 5 years
550 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 9, Molex 3, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 5 years
be quiet! Straight Power 12 configurations
| Price for be quiet! Straight Power 12 | ||||
|---|---|---|---|---|
 | be quiet! Straight Power 12 BN336 | from £127.13 | 8 offers | |
 | be quiet! Straight Power 12 BN337 | from £149.99 | 7 offers | |
 | be quiet! Straight Power 12 BN338 | from £169.99 | 7 offers | |
| be quiet! Straight Power 12 BN339 | from £199.99 | 4 offers | |
 | be quiet! Straight Power 12 BN340 | from £207.20 | 6 offers | |
Video reviews
BeQuiet! STRAIGHT POWER 12 1000W - Platinum and Quiet!
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Be Quiet! Straight Power 12 Unboxing & Teardown
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Best Quiet Power Supply | be quiet! Straight Power 11 Platinum 1200W Unboxing
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be quiet! Straight Power 12 - The Silent Platinum Power Supply
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Straight Power 12 | Product Presentation | be quiet!
13 June 202311 594 view
Straight Power 12 | Produktvorstellung | be quiet!
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Straight Power 12 | World Class Quiet And Efficiency | be quiet!
27 June 202317 672 view
Be Quiet! Straight Power 12 ATX 3.0 PSU Unboxing & Overview
17 October 202313 438 view
Silent operation
be quiet! Straight Power 12 1200W is a German power supply with a premium Full-Bridge topology and an almost indistinguishable fan. A proprietary 135mm be quiet! Silent Wings with a funnel-shaped frame, aerodynamic grooves on the blades, 6-pole motor and hydro-dynamic bearing.
Meter wires
It is capable of operating in a wide range of 110 - 240 volts, so it can cope even with severe voltage drops in a household power outlet. All cables are modular, you can choose between 16-pin and 8-pin video card cables, and the processor cable is a full meter long. This allows it to be hidden behind the back wall even in a very large computer case.
A whole decade
The Platinum Energy Efficiency Certificate not only helps you save on your energy bills, but also minimizes waste heat generation at just 6%. And in standby mode, the power supply consumes a negligible 0.1 W of electricity. The use of the most durable Japanese capacitors allowed the manufacturer to provide a ten-year warranty on the power supply.
We recommendCompare using chart →
1250 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 12, Molex 4, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
1350 W, 24+8+8(4+4) pin, 6 х 6+2 pin, 1 x 16 pin, SATA 12, Molex 4, ATX, modular, Efficiency 90 %, semi-passive СО, mining, certificate 80+ Gold, warranty 10 years
1200 W, 24+8+8(4+4) pin, 7 х 6+2 pin, 1 x 16 pin, SATA 12, Molex 4, ATX, modular, Efficiency 92 %, semi-passive СО, mining, certificate 80+ Platinum
1250 W, 24+8+8(4+4) pin, 8 х 6+2 pin, SATA 12, Molex 4, ATX, modular, Efficiency 90 %, mining, certificate 80+ Gold, warranty 10 years
1200 W, 24+8+8(4+4) pin, 9 х 6+2 pin, SATA 12, Molex 4, ATX, modular, Efficiency 92 %, semi-passive СО, mining, certificate 80+ Platinum
1200 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 9, Molex 3, ATX, modular, Efficiency 92 %, certificate 80+ Platinum, warranty 10 years
1300 W, 24+8+8(4+4) pin, 10 х 6+2 pin, 1 x 16 pin, SATA 12, Molex 8, ATX, modular, Efficiency 93 %, semi-passive СО, mining, certificate 80+ Platinum, warranty 10 years
1250 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 12, Molex 4, ATX, modular, Efficiency 90 %, certificate 80+ Gold, warranty 10 years
1200 W, 24+8+8(4+4) pin, 8 х 6+2 pin, SATA 12, Molex 8, ATX, modular, Efficiency 92 %, semi-passive СО, mining, certificate 80+ Platinum, warranty 10 years
1200 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 12, Molex 4, ATX, modular, Efficiency 92 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
1200 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 2 x 16 pin, SATA 5, Molex 4, ATX, modular, Efficiency 92 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
1200 W, 24+8+8(4+4) pin, 8 х 6+2 pin, 1 x 16 pin, SATA 16, Molex 8, ATX, modular, Efficiency 90 %, semi-passive СО, mining, certificate 80+ Gold, warranty 10 years
