BEQUIET Be Quiet! 400W System Power 9 Psu
53.99 GBP
A silent 400‑W ATX PSU with 80 Plus Bronze efficiency, dual‑rail +12 V output up to 32 A, active PFC and a single 120 mm fan that stays below 19 dB at full load. It supplies one 20+4 pin motherboard cable, a 4+4‑pin CPU connector, two 6+2‑pin PCIe cables, five SATA power leads and two Molex plugs, all fully wired for clean cable management. The unit is RoHS and Energy Star compliant, featuring over‑current, over‑voltage, short‑circuit and temperature protection.
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be quiet! System Power 9 power supply unit 400 W 20+4 pin ATX ATX Black
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23-12-2025 22:40:01
| Brand | Be Quiet |
| EAN | 4260052186046 |
| ASIN | B079KG3TZ5 |
| Model | BN245 |
| MPN | BN245 |
| 80 PLUS certification | 80 PLUS Bronze |
| AC input frequency | 50 Hz |
| AC input voltage | 200 - 240 V |
| ATX version | 2.4 |
| Bearing technology | Sleeve |
| Cables included | AC |
| Certification | CE, CB, TÜV, RCM, CU |
| Combined power (+12V) | 384 W |
| Combined power (+3.3V) | 103 W |
| Combined power (+5Vsb) | 15 W |
| Combined power (-12V) | 3.6 W |
| Connectors | 1 x 4+4-pin ATX 12V 2 x 4-pin Molex 2 x 6+2-pin PCIe 5 x SATA |
| Cooling | Fanned |
| Depth | 140 mm |
| Dimensions | 150 x 140 x 86 (WxHxD) |
| Edition | System Power 9 |
| Efficiency | 89% |
| Energy Star certified | Yes |
| EPS 12V | Yes |
| Fan diameter | 12 cm |
| Fans | 1 x 120mm |
| Height | 86 mm |
| Hold time | 17 ms |
| Illumination | No |
| Input current | 4 A |
| Internal +12V Rails | Dual Rail |
| Manual | Yes |
| Max output current (+5Vsb) | 3 A |
| Max output current (-12V) | 0.3 A |
| Maximum Combined Output +12V | 32 A |
| Modular | No |
| Modularity | Fully Wired |
| Motherboard Connector | 20+4-pin |
| Motherboard power cable length | 45 cm |
| Number of fans | 1 fan(s) |
| Number of sata power connectors | 5 |
| On/off switch | Yes |
| Package depth | 268 mm |
| Package Height | 195 mm |
| Package type | Retail |
| Package width | 97 mm |
| PCI Express power connectors (6+2 pin) | 2 |
| Pfc | active |
| Power factor | 0.95 |
| Power Output | 700W |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Power supply unit (PSU) form factor | ATX |
| Protection | OCP, OVP, UVP, SCP, OTP, OPP, SIP |
| Purpose | PC |
| Rail 1 +12V | 22 A |
| RoHS compliance | Yes |
| Safety | CE, CB, TÜV, RCM (Australia) |
| SATA | 6 |
| SATA power cable length | 350,550 mm |
| Screws included | Yes |
| SLI/CrossFire | Yes |
| Sustainability certificates | RoHS, ENERGY STAR |
| Total Power | 400 W |
| Weight | 1.82 kg |
| Width | 150 mm |
