SFX POWER 3
Documents
Products
SFX POWER 3 | 450W
Article number: BN321
COMPACT AND SILENT ENERGY
SFX Power 3 450W, the first choice compact PSU for mini and media PCs with PCIe graphics card support.
Compact and silent energy
SFX Power 3 450W, the first choice compact PSU for mini and media PCs with 80 PLUS® Bronze and PCIe graphics card support. SFX Power 3 450W offers the ideal combination of power, quietness and reliability.
- Strong 12V rail with 450W of continuous power
- Two 6+2 pin PCIe connector 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
- 3-year manufacturer’s warranty
- Product conception, design and quality control in Germany
COMPACT AND SILENT ENERGY
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.
- 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
- 3-year manufacturer´s warranty
- Product conception, design and quality control in Germany
General data
| Model | SFX Power 3 450W |
| Continuous power (W) | 450 |
| Peak power (W) | 500 |
| Form factor | SFX12V Version 3.42 |
| Form factor EPS 12V | Version 2.92 |
| Topology | DC/DC |
| Digitally controlled | - |
| Voltage (Vac) | 100 - 240 |
| Frequency (Hz) | 50 - 60 |
| Input current (A) | 6 / 2.5 |
| Power factor at 100% load | >0.98 |
| Modern standby | ✓ |
| Power consumption in standby (W) | <0.11 |
| Average life time (h / 25°C) | 100,000 |
| Operating temperature up to (°C) | 40 |
Efficiency
| 80 PLUS certification | Bronze |
| Efficiency (%) at 230V, 2% load | - |
| Efficiency (%) at 230V, 10% load | 80.8 |
| Efficiency (%) at 230V, 20% load | 86.9 |
| Efficiency (%) at 230V, 50% load | 89.3 |
| Efficiency (%) at 230V, 100% load | 85.9 |
Fan and cooling technology
| Fan | High quality fan |
| Fan size (mm) | 80 |
| Bearing technology | Rifle |
| Motor technology | 4-pole fan motor |
| Max. fan speed (rpm) | 2366 |
| dB(A) at 10% load | 13.2 |
| dB(A) at 20% load | 13.2 |
| dB(A) at 50% load | 13.2 |
| dB(A) at 100% load | 33.8 |
Output
| Multi-rail operation (12V rails) | - |
| 12V single rail operation | ✓ |
| Overclocking key | - |
| +3.3V (A) | 16 |
| +5V (A) | 16 |
| +12V1 (A) | 37.5 |
| +12V2 (A) | - |
| +12V3 (A) | - |
| +12V4 (A) | - |
| +12V5 (A) | - |
| +12V6 (A) | - |
| -12V (A) | 0.3 |
| +5Vsb (A) | 2.5 |
| Max. combined power 12V (W) | 450 |
| Max. combined power 12VHPWR (W) | 0 |
| Max. combined power 3.3V + 5V (W) | 85 |
| Hold-up time at 100% load (ms) | 21 |
| Hold-up time at 80% load (ms) | - |
| Power good signal (ms) | 100 - 150 |
Cables and connectors
| Modular cables | - |
| Sleeved cables | P24 |
| Flat cables | P4+4, PCIe, drives |
| Maximum cable length (cm) | 60 |
| Cable length to motherboard (cm) | 35 |
| No. of cables | 5 |
| ATX-Motherboard (20+4-pin) | 1 |
| P4+4 (CPU) | 1 |
| P8 (CPU) | - |
| P4 (CPU) | - |
| 12VHPWR cables | 0 |
| PCI-E 6+2-pin (GPU) | 2 |
| PCI-E 6-pin (GPU) | - |
| SATA | 3 |
| PATA | 2 |
| FDD (Floppy) | 1 |
Protection
| OTP (over temperature protection) | - |
| OCP (over current protection) | ✓ |
| OPP (over power protection) | ✓ |
| SCP (short circuit protection) | ✓ |
| OVP (over voltage protection) | ✓ |
| UVP (under voltage protection) | ✓ |
| SIP (Surge & Inrush protection) | ✓ |
Safety certification
| BSMI | - |
| CB | ✓ |
| CCC | - |
| CE | ✓ |
| cRUus | - |
| cTUVus | - |
| CU | ✓ |
| FCC | - |
| RCM | - |
| TÜV | ✓ |
| UKCA | - |
Environmental directives
| ENERGY STAR | 8.0 |
| ErP | ✓ |
| WEEE | ✓ |
| RoHS | ✓ |
| Triman | ✓ |
Scope of delivery
| Thumb screws | - |
| Screws | ✓ |
| Cable ties | ✓ |
| Velcro cable ties | - |
| User manual languages | DE, EN, ES, FR, PL, RU |
| OCK slot bracket with switch / OCK jumper | - |
| SFX-to-ATX adapter bracket | - |
Casing
| Dimensions without cable (L x W x H), (mm) | 100 x 125 x 64 |
| Weight (kg) | 0.89 |
| Color | Black |
Service
| Warranty (Years) | 3 |
| Express replacement service in first year | - |
| International hotline / free of charge | ✓ / DE, FR, US |
Logistics data and RRP
| Article number | BN321 |
| EAN code | 4260052188279 |
| Dimensions, package (L x W x H), (mm) | 75 x 197 x 207 |
| Gross weight, package (kg) | 1.2 |
| Pieces per packaging unit | 6 |
| Dimensions, shipping box (L x W x H), (mm) | 457 x 265 x 233 |
| Gross weight, shipping box (kg) | 8.2 |
| RRP (€) | 69.90 |
SFX POWER 3 | 300W
Article number: BN320
COMPACT AND SILENT ENERGY
SFX Power 3 300W, the first choice compact PSU for mini and media PCs with PCIe graphics card support.
Compact and silent energy
SFX Power 3 300W, the first choice compact PSU for mini and media PCs with 80 PLUS® Bronze and PCIe graphics card support. SFX Power 3 300W offers the ideal combination of power, quietness and reliability.
- Strong 12V rail with 300W of continuous power
- 6+2 pin PCIe connector for GPU support
- High-quality temperature-controlled 80mm fan for quiet operation of max. 29.4dB(A)
- Sleeved or flat black cables up to 60cm
- 80 PLUS® Bronze efficiency (up to 89.2%)
- Meets the latest safety and efficiency requirements
- 3-year manufacturer’s warranty
- Product conception, design and quality control in Germany
COMPACT AND SILENT ENERGY
SFX Power 3 300W, 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.
- Strong 12V rail with 300W of continuous power
- 6+2 pin PCIe connector for GPU support
- High-quality temperature-controlled 80mm fan for quiet operation of max. 29.4dB(A)
- Sleeved or flat black cables up to 60cm
- 80 PLUS® Bronze efficiency (up to 89.2%)
- Meets the latest safety and efficiency requirements
- Standby draw less than 0.1 watts
- 3-year manufacturer´s warranty
- Product conception, design and quality control in Germany
General data
| Model | SFX Power 3 300W |
| Continuous power (W) | 300 |
| Peak power (W) | 350 |
| Form factor | SFX12V Version 3.42 |
| Form factor EPS 12V | Version 2.92 |
| Topology | DC/DC |
| Digitally controlled | - |
| Voltage (Vac) | 100 - 240 |
| Frequency (Hz) | 50 - 60 |
| Input current (A) | 5 / 2 |
| Power factor at 100% load | >0.98 |
| Modern standby | ✓ |
| Power consumption in standby (W) | <0.11 |
| Average life time (h / 25°C) | 100,000 |
| Operating temperature up to (°C) | 40 |
Efficiency
| 80 PLUS certification | Bronze |
| Efficiency (%) at 230V, 2% load | - |
| Efficiency (%) at 230V, 10% load | 76.9 |
| Efficiency (%) at 230V, 20% load | 84.4 |
| Efficiency (%) at 230V, 50% load | 89.2 |
| Efficiency (%) at 230V, 100% load | 88.1 |
Fan and cooling technology
| Fan | High quality fan |
| Fan size (mm) | 80 |
| Bearing technology | Rifle |
| Motor technology | 4-pole fan motor |
| Max. fan speed (rpm) | 1979 |
| dB(A) at 10% load | 14.4 |
| dB(A) at 20% load | 14.4 |
| dB(A) at 50% load | 14.4 |
| dB(A) at 100% load | 29.4 |
Output
| Multi-rail operation (12V rails) | - |
| 12V single rail operation | ✓ |
| Overclocking key | - |
| +3.3V (A) | 16 |
| +5V (A) | 16 |
| +12V1 (A) | 25 |
| +12V2 (A) | - |
| +12V3 (A) | - |
| +12V4 (A) | - |
| +12V5 (A) | - |
| +12V6 (A) | - |
| -12V (A) | 0.3 |
| +5Vsb (A) | 2.5 |
| Max. combined power 12V (W) | 300 |
| Max. combined power 12VHPWR (W) | 0 |
| Max. combined power 3.3V + 5V (W) | 85 |
| Hold-up time at 100% load (ms) | 26.8 |
| Hold-up time at 80% load (ms) | - |
| Power good signal (ms) | 100 - 150 |
Cables and connectors
| Modular cables | - |
| Sleeved cables | P24 |
| Flat cables | P4, PCIe, drives |
| Maximum cable length (cm) | 60 |
| Cable length to motherboard (cm) | 35 |
| No. of cables | 5 |
| ATX-Motherboard (20+4-pin) | 1 |
| P4+4 (CPU) | - |
| P8 (CPU) | - |
| P4 (CPU) | 1 |
| 12VHPWR cables | 0 |
| PCI-E 6+2-pin (GPU) | 1 |
| PCI-E 6-pin (GPU) | - |
| SATA | 3 |
| PATA | 2 |
| FDD (Floppy) | 1 |
Protection
| OTP (over temperature protection) | - |
| OCP (over current protection) | ✓ |
| OPP (over power protection) | ✓ |
| SCP (short circuit protection) | ✓ |
| OVP (over voltage protection) | ✓ |
| UVP (under voltage protection) | ✓ |
| SIP (Surge & Inrush protection) | ✓ |
Safety certification
| BSMI | - |
| CB | ✓ |
| CCC | - |
| CE | ✓ |
| cRUus | - |
| cTUVus | - |
| CU | ✓ |
| FCC | - |
| RCM | - |
| TÜV | ✓ |
| UKCA | - |
Environmental directives
| ENERGY STAR | 8.0 |
| ErP | ✓ |
| WEEE | ✓ |
| RoHS | ✓ |
| Triman | ✓ |
Scope of delivery
| Thumb screws | - |
| Screws | ✓ |
| Cable ties | ✓ |
| Velcro cable ties | - |
| User manual languages | DE, EN, ES, FR, PL, RU |
| OCK slot bracket with switch / OCK jumper | - |
| SFX-to-ATX adapter bracket | - |
Casing
| Dimensions without cable (L x W x H), (mm) | 100 x 125 x 64 |
| Weight (kg) | 0.84 |
| Color | Black |
Service
| Warranty (Years) | 3 |
| Express replacement service in first year | - |
| International hotline / free of charge | ✓ / DE, FR, US |
Logistics data and RRP
| Article number | BN320 |
| EAN code | 4260052188262 |
| Dimensions, package (L x W x H), (mm) | 75 x 197 x 207 |
| Gross weight, package (kg) | 1.2 |
| Pieces per packaging unit | 6 |
| Dimensions, shipping box (L x W x H), (mm) | 457 x 265 x 233 |
| Gross weight, shipping box (kg) | 7.9 |
| RRP (€) | 57.90 |