be quiet! System Power 9 CM BN302 (BN302)
 | Outdated Product Power: 600; Cooling system: active; MB/CPU power supply: 24+8 (4+4); Manufacturer's warranty: 3 years; |
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Semi-modular design. Energy Efficiency Certificate 80 PLUS Bronze. Progressive DC-DC circuitry. Quiet fan. All electrical protection.
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! 2026 - 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! 2026 - new arrivals, bestsellers, and the most relevant models be quiet!.
Series be quiet! System Power (available)Compare using chart →
650 W, 24+8+4 pin, 2 x 6+2 pin, 1 x 16 pin, SATA 5, Molex 1, ATX, Efficiency 89 %, warranty 5 years
750 W, 24+8+8(4+4) pin, 3 x 6+2 pin, 1 x 16 pin, SATA 6, Molex 1, ATX, Efficiency 89 %, warranty 5 years
450 W, 24+8 (4+4) pin, 2 x 6+2 pin, SATA 5, Molex 1, ATX, Efficiency 89 %, warranty 5 years
550 W, 24+8+4 pin, 2 x 6+2 pin, 1 x 16 pin, SATA 5, Molex 1, ATX, Efficiency 89 %, warranty 5 years
Video reviews
A couple of days ago, I bought this PSU, and so far, I am satisfied with it. I got it for 5300 considering bonuses on the online trade, whereas in other stores it costs around 7k. -Price -Quality of workmanship -Semi-modularity -24pin and 8pin CPU cables with black sleeving -Flat cables for the graphics card and peripherals -Quiet -Excellent circuitry, almost at the level of seasonic)) -Smell in the first day or two of use -Had difficulties connecting the 24 and 8 pin to the motherboard, as these cables are a bit stiff -Strange connection of SATA devices, as the branching goes directly from the bundle, and it's impossible to connect to the quick-release SSDs on the case, only the very last SATA, which is straight  Valeriy Elykomov: use be quiet! BN302 less than month |
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We recommendCompare using chart →
650 W, 24+8 (4+4) pin, 2 x 6+2 pin, SATA 6, Molex 4, ATX, semi-modular, Efficiency 85 %, warranty 5 years
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650 W, 24+8 (4+4) pin, 2 x 6+2 pin, SATA 5, Molex 2, ATX, Efficiency 82 %, backlight, warranty 2 years
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600 W, 24+8 (4+4) pin, 2 x 6+2 pin, SATA 6, Molex 3, ATX, Efficiency 85 %, warranty 3 years