Loading
Configuring your product

Multiple Finance Options Learn More

New products added everyday! Shop Now

Buy 2 items Get 1 item at 5% off!

BEQUIET  |  SKU: BN321  |  Condition: Brand New  |  UPC/EAN: 4260052188279

be quiet! SFX POWER 3 450W power supply unit 20+4 pin ATX Black

£77.99
Excl VAT £64.99

Key Details:

  • Strong 12V rail with 450W of continuous power
  • Two 6+2pin PCIe connectors for powerful GPUs
  • High-quality temperature-controlled 80mm fan for quiet operation of max. 33.8dB(A)
  • Sleeved or flat black cables up to 60cm
  • 80 PLUS® Bronze efficiency (up to 89.3%)
  • Meets the latest safety and efficiency requirements
  • Standby draw less than 0.11 watts
  • Product conception, design and quality control in Germany
Final Price after Configuration:
£77.99
Excl VAT £64.99

Found a cheaper price online? Contact us so we can price match/beat.

450W, ATX SFX12V V3.42, EPS 2.92, 1x 80mm (2366RPM), 80 PLUS Bronze

SFX Power 3 450W, the compact PSU from be quiet! that gives you more for your mini or media PC. It provides enough power to support powerful PCIe graphics cards while offering the ideal combination of power, quietness and reliability. That makes it the perfect choice for compact PC systems that perform beyond the ordinary.

Power
Power protection features Over current, Over power, Over voltage, Short circuit, Under voltage
Efficiency 85.9%
Hold time 21 ms
Max output current (+5Vsb) 2.5 A
Max output current (-12V) 0.3 A
Max output current (+5V) 16 A
Max output current (+12V1) 37.5 A
Max output current (+3.3V) 16 A
Combined power (+5V) 85 W
Combined power (+12V) 450 W
Combined power (+3.3V) 85 W
Power Factor Correction (PFC) type Active
Power factor 0.98
Maximum input current (@220V) 2.5 A
Maximum input current (@110V) 6 A
Input current 6/2.5 A
AC input frequency 50 - 60 Hz
AC input voltage 100 - 240 V
Peak power 500 W
Total power 450 W
Ports & interfaces
Cabling type Non-Modular
Floppy drive power connector 1
Floppy disk drive cable length 60 cm
PCI Express power cable length 55 cm
PCI Express power connectors (6+2 pin) 2
EPS power connector (4+4 pin) Yes
Peripheral (Molex) power cable length 300,450 mm
Peripheral (Molex) power connectors (4-pin) 2
SATA power cable length 300,450,600 mm
Number of SATA power connectors 3
Motherboard power cable length 35 cm
Motherboard power connector 20+4 pin ATX
Performance
Safety CE, CB, TÜV, CU
Mean time between failures (MTBF) 100000 h
Bearing technology Rifle
Noise level 33.8 dB
EPS version 2.92
ATX version 3.42
80 PLUS certification 80 PLUS Bronze
Power supply unit (PSU) form factor SFX
Purpose PC
Design
On/off switch Yes
Number of fans 1 fan(s)
Fan diameter 8 cm
Cooling type Active
Product colour Black
Weight & dimensions
Weight 890 g
Height 64 mm
Depth 100 mm
Width 125 mm
Packaging data
Package type Box
Package weight 1.24 kg
Package height 207 mm
Package depth 75 mm
Package width 197 mm
Technical details
Sustainability compliance Yes
Sustainability certificates ENERGY STAR, ErP, RoHS, WEEE
Logistics data
Harmonized System (HS) code 84733020
Shipping (inner) case length 45.7 cm
Shipping (inner) case width 26.5 cm
Shipping (inner) case height 23.3 cm
Products per shipping (inner) case 6 pc(s)
Shipping (inner) case gross weight 8.19 kg

Payment & Security

Payment methods

  • Visa
  • Mastercard
  • PayPal
  • Klarna
  • Google Pay
  • Apple Pay
  • Shop Pay
  • Clearpay

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

be quiet! SFX POWER 3 450W power supply unit 20 + 4 pin ATX
BEQUIET

be quiet! SFX POWER 3 450W power supply unit 20+4 pin ATX Black

£77.99
Excl VAT £64.99

Grade

Brand New

Model

N/A

Part Number

BN321

Case

N/A

Motherboard

N/A

Processor

N/A

Memory

N/A

Graphics Card

N/A

Solid State Drive (SSD)

N/A

Hard Disk Drive (HDD)

N/A

Cooling

N/A

Power Supply

N/A

Network Connectivity (WiFi + Bluetooth)

N/A

Operating System

N/A

Mouse and Keyboard

N/A

Monitor

N/A
View product