be quiet!
be quiet! BQ 450W System Power 11 PSU
In stock (5 left) - ready to ship
Estimated delivery Tuesday 17 NovemberDispatched within 24 hours by DPDUK delivery £5.99 - free on orders over £100
£41.99
- Multi-item saving: £2.55 off this when you buy two, or add it to an order with a dearer item.
Build a PC around this power supply
Set a budget and we'll choose the other parts to fit, for the best performance we can get from today's stock.
Budget for the whole PC. Or choose the other parts yourself.
Proven Reliability, Quiet Operation
System Power 11 450W has been built with value-oriented users in mind that do not want to pass on reliability and quietness. Elaborate features such as ATX 3.1 compatibility and a temperature-controlled fan and a remarkably low stand-by-drain underline the value System Power 11 450W offers even at entry-level.
- ATX 3.1 PSU with support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors
- Temperature-controlled 120mm quality fan reduces system noise
- Rock-solid stability with a strong 12V-rail
- Tight voltage regulation using DC-to-DC technology
- 2 PCIe 6-2 connectors
- Dependable operation to support powerful GPUs
- Stand-by drain of less than 0.15 watts
- 80 PLUS® Bronze efficiency (up to 89.0%)
- Attractive black flat cables
- Complete suite of top safety features
- Product conception, design and quality control in Germany
Specifications
| Compliance certificates | CB, CE, RoHS, TÜV mark, UKCA, WEEE |
| Waste Electrical and Electronic Equipment (WEEE) compliance | Yes |
| Fan speed | 0 - 1800 RPM |
| Cooling type | Active |
| Number of fans | 1 fan(s) |
| Illumination | No |
| Product colour | Black |
| Mean time between failures (MTBF) | 100000 h |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush, Under voltage |
| Noise level | 19.1 dB |
| Purpose | PC |
| Input current | 4 A |
| On/off switch | Yes |
| Cable ties included | Yes |
| Screws included | Yes |
| Package type | Box |
| Fan diameter | 12 cm |
| Power supply unit (PSU) form factor | ATX |
| ATX version | 3.1 |
| Bearing technology | Rifle |
| EPS version | 2.92 |
| Motherboard power connector | 20+4 pin ATX |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| Number of SATA power connectors | 5 |
| PCI Express power connectors (6+2 pin) | 2 |
| CPU power connector (4+4 pin) | Yes |
| Cabling type | Non-Modular |
| PCI Express connector | Yes |
| AC input voltage | 200 - 240 V |
| AC input frequency | 50 Hz |
| 80 PLUS certification | 80 PLUS Bronze |
| Total power | 450 W |
| Combined power (+3.3V) | 110 W |
| Combined power (+12V) | 450 W |
| Combined power (+5V) | 110 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Efficiency | 89% |
| Power factor | 0.98 |
| Max output current (+12V1) | 37.5 A |
| Hold time | 16.86 ms |
| Number of +12V rail(s) | 1 |
| Sustainability certificates | ENERGY STAR, ErP |
| Width | 150 mm |
| Depth | 86 mm |
| Height | 140 mm |
| Weight | 1.7 kg |
Specifications provided by the manufacturer via Icecat.
