be quiet! System Power B8
Model System Power B8Part no. BN256EAN 4260052184516
46 specifications
- Noise12.3 dB
- Weight1.6 kg
- ColourGrey
- Total power350 W
- Motherboard power connector20+4 pin ATX
- PurposePC
Overview
- Noise
- 12.3 dB
- Weight
- 1.6 kg
- Colour
- Grey
- Total power
- 350 W
- Motherboard power connector
- 20+4 pin ATX
- Purpose
- PC
- Brand
- be quiet!
- Category
- Power Supply Unit
- Model
- System Power B8
- Part numbers
- BN256, BN257, BN258, BN259
- EAN / UPC
- 4260052184516, 4260052184523, 4260052184530, 4260052184547 +1 more
- Also known as
- be quiet! System Power B8 power supply unit 350 W 20+4 pin ATX ATX Grey
Specifications
46 specifications in 10 groups
Power
| Specification | Value |
|---|---|
| Total power | 350 W |
| AC input voltage | 200 - 240 V |
| AC input frequency | 50 Hz |
| Input current | 3 A |
| Power factor | 0.98 |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 103 W |
| Combined power (+12V) | 324 W |
| Combined power (+5V) | 103 W |
| Max output current (+3.3V) | 19 A |
| Max output current (+12V1) | 20 A |
| Max output current (+12V2) | 16 A |
| Max output current (+5V) | 15 A |
| Max output current (-12V) | 0.3 A |
| Efficiency | 87% |
| Hold time | 18 ms |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
Ports & interfaces
| Specification | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Number of PATA power connectors | 2 |
| Number of SATA power connectors | 4 |
| PCI Express power connectors (6+2 pin) | 1 |
| CPU power connector (4+4 pin) | Yes |
| ATX power connector (20+4 pin) | Yes |
| Cabling type | Non-Modular |
Performance
| Specification | Value |
|---|---|
| Purpose | PC |
| Power supply unit (PSU) form factor | ATX |
| 80 PLUS certification | 80 PLUS |
| ATX version | 2.4 |
Design
| Specification | Value |
|---|---|
| Product colour | Grey |
| Cooling type | Active |
| Fan diameter | 12 cm |
| Number of fans | 1 fan(s) |
| Fan speed | 1650 |
| Fan location | Top |
| On/off switch | Yes |
Operational conditions
| Specification | Value |
|---|---|
| Operating temperature (T-T) | 0 - 40 °C |
Certificates
| Specification | Value |
|---|---|
| Compliance certificates | RoHS |
| Certification | ErP, WEEE |
Safety regulation & standards
| Specification | Value |
|---|---|
| Safety | CE, CB, TÜV, RCM, CU |
Weight & dimensions
| Specification | Value |
|---|---|
| Width | 150 mm |
| Depth | 140 mm |
| Height | 86 mm |
| Weight | 1.6 kg |
Technical details
| Specification | Value |
|---|---|
| Sustainability certificates | ENERGY STAR |
Other features
| Specification | Value |
|---|---|
| Noise level (quiet mode, 50%) | 12.3 dB |
| Noise level (full-load mode, 100%) | 24.9 dB |
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