be quiet! SFX Power 3 BN321 (SFX POWER 3 450)
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be quiet! SFX Power 3 BN321 300 W 24+4 pin 450 W 24+8 (4+4) pin | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Compact and quiet small size SFX power supply. This power supply is designed to complete ultra-compact Mini-ITX or Micro ATX computer systems. The model is equipped with an 80 mm fan, controlled by a special controller. The cooler is quiet, even at the maximum power load, the cooling system will not make noise louder than 33.8 dB. In general, such a device will allow you to supply electricity to a very productive PC using modern components with optimized power consumption.
computer power supply be quiet! The SFX Power 3 BN321 has a single 12V power line unit with all 450W of power available. Professional developers have worked hard on the electrical circuit, which is confirmed by the 80+ Bronze certificate. The power supply will not run hot, and idle power consumption is kept to a minimum. This power supply has a good gaming potential. Two PCIe 6 + 2 pin connectors are available for connecting a video card, which will allow you to install a modern graphics adapter with an optimized power supply on your PC.
Before buying always check characteristics and configuration of product with online store manager
Catalog be quiet! 2025 - new products, best sales and most actual models be quiet!.
Buy be quiet! SFX Power 3 BN321
All prices 9 →be quiet SFX Power 3 450W 80 PLUS Bronze efficiency power supply SFX BN321 | £68.71 |  | |||
be quiet! SFX POWER 3 450W power supply unit 20+4 pin ATX Black BN321 | £67.92 |  | |||
| £59.99 |  | ||||
| £65.22 |  | ||||
| £78.00 |  | ||||
be quiet! SFX Power 3 configurations
| Price for be quiet! SFX Power 3 | ||||
|---|---|---|---|---|
| be quiet! SFX Power 3 BN320 | from £49.99 | 10 offers | |
| be quiet! SFX Power 3 BN321 | from £54.98 | 9 offers | |
No force majeure
The be quiet! SFX Power 3 BN321 450W power supply unit attracts attention with its reliable security system, which ensures stable operation of the PC in various conditions. In addition to standard protection systems (OVP, OPP, SCP), the unit is equipped with a voltage stabilizer (SIP), which operates effectively at input parameters from 100 to 240 V. Thanks to a well-thought-out electronic circuit, the power supply eliminates power drops. The +12 V line is capable of providing the declared 450 W, and 85 W is allocated for powering peripheral devices. The manufacturer claims that the unit is capable of withstanding a peak load of up to 500 W, making it an ideal choice for home and office PCs, as well as gaming systems. The SFX form factor is ideal for compact Mini Tower cases, as well as Desktop and Cube Case builds.
80 Plus Bronze Certification
be quiet! SFX Power 3 BN321 is 80 Plus Bronze certified, which confirms its high energy efficiency. Thanks to the use of active PFC, the efficiency of the unit reaches 89%, which contributes to minimal heat generation and requires only a little ventilation. The 80 mm fan runs on a Rifle sleeve bearing and is distinguished by a low noise level (13 dB at 50% load, 34 dB at maximum speed). The unit has an automatic speed control system (AFC). The non-removable cables are equipped with all the necessary connectors for connecting the motherboard, processor (4+4 pin) and mid-range graphics cards (two 6+2 pin lines), allowing you to easily connect graphics cards such as the MSI GeForce RTX 4060 Ti VENTUS 2X BLACK 8G OC.
