Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Technical details | |
| Sustainability certificates | ENERGY STAR, ErP |
| Ports & interfaces | |
| PCI Express connector | ![]() |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 5 |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| EPS power connector (8-pin) | ![]() |
| ATX power connector (20+4 pin) | ![]() |
| PCI Express power connectors (8-pin) | 2 |
| CPU power connector (4+4 pin) | ![]() |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Non-Modular |
| Number of PATA power connectors | 1 |
| Motherboard power cable length | 55 cm |
| SATA power cable length | 450,550,570,670,690,790 mm |
| CPU power cable length | 60 cm |
| Peripheral (Molex) power cable length | 790 mm |
| PCI Express power cable length | 65 cm |
| Weight & dimensions | |
| Weight | 1.74 kg |
| Height | 150 mm |
| Width | 140 mm |
| Depth | 86 mm |
| Energy management | |
| Peak power | 450 W |
| Input current | 4 A |
| Nominal power | 450 W |
| Efficiency | 88.5% |
| Hold time | 17 ms |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Power factor | 0.95 |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 100 W |
| Combined power (+12V) | 450 W |
| Combined power (+5V) | 100 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V) | 37.5 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| AC input frequency | 50 Hz |
| AC input voltage | 200 - 240 V |
| Total power | 450 W |
| Power Good signal delay range | 100 - 150 ms |
| Operational conditions | |
| Operating relative humidity (H-H) | 0 - 90% |
| Storage temperature (T-T) | -20 - 70 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage relative humidity (H-H) | 0 - 95% |
| Packaging data | |
| Package weight | 2.1 kg |
| Package depth | 268 mm |
| Package height | 97 mm |
| Package width | 195 mm |
| Manual | ![]() |
| Manual languages | German, English, Spanish, French, Polish, Russian |
| Certificates | |
| Certification | CB, TÜV, cRUus, cTUVus, RCM (Australia), BSMI, CU (Russia) |
| RoHS compliance | ![]() |
| 80 PLUS certification | 80 PLUS Bronze |
| Compliance certificates | CCC, CE, Federal Communications Commission (FCC), RoHS, WEEE |
| Other features | |
| Screws included | ![]() |
| Noise level (quiet mode, 50%) | 9.8 dB |
| Noise level (full-load mode, 100%) | 19.2 dB |
| Noise level (silent mode, <30%) | 8.7 dB |
| Design | |
| Product colour | Black |
| Illumination | ![]() |
| Number of fans | 1 fan(s) |
| On/off switch | ![]() |
| Cooling type | Active |
| Fan diameter | 12 cm |
| Fan speed | 0 - 1800 RPM |
| Performance | |
| Mean time between failures (MTBF) | 100000 h |
| Form factor | ATX |
| Noise level | 19.2 dB |
| Purpose | PC |
| Bearing technology | Sleeve |
| Supported motherboard form factors | ATX |
| ATX version | 2.52 |
| EPS version | 2.92 |
| Silent mode | ![]() |
| Power supply unit (PSU) form factor | ATX |
| Logistics data | |
| Country of origin | Germany |
| Warranty period | 5 year(s) |
| EAN | 4260052189061 |
| Warranty | 1 year |
The be quiet! System Power 10 450W is an ATX power supply unit engineered for builders assembling entry-level or mid-range desktop systems. It provides a continuous power output of 450 watts, suitable for configurations that include a single dedicated graphics card. Its 80 PLUS Bronze certification signifies an efficiency rating of up to 88.5%, which helps to reduce wasted energy and thermal output. This unit focuses on delivering consistent and stable voltage to ensure reliable operation of system components.
This power supply utilizes a non-modular cabling design, meaning all cables are permanently attached for a direct installation process in standard ATX chassis. System cooling is managed by a temperature-controlled 120 mm fan that adjusts its speed based on thermal load to maintain quiet operation. The unit integrates a full suite of protection circuits, including safeguards against overcurrent, overpower, and short circuits. Active Power Factor Correction (PFC) is included to improve electrical efficiency and stability.
Key Features:- 450W total power output
- 80 PLUS Bronze certification
- ATX power supply form factor
- Non-modular cable configuration
- Equipped with a 120 mm fan
- Features two 6+2 pin PCIe connectors
- Provides five SATA power connectors
- Includes OCP, OPP, OVP, SCP, UVP, and OTP protections
- Measures 140 mm (W) x 86 mm (D) x 150 mm (H)
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- Datasheet (English)


