Introduction | |
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be quiet! Straight Power 11 Platinum 550W raises the bar for systems that demand virtually inaudible operation and outstanding efficiency. | |
Power | |
Total power | 550 W |
Peak power | 600 W |
AC input voltage | 100 - 240 V |
AC input frequency | 50/60 Hz |
Input current | 8/4 A |
Power factor | 0.99 |
Power Factor Correction (PFC) type | Active |
Combined power (+3.3V) | 110 W |
Combined power (+12V) | 549.6 W |
Combined power (+5V) | 110 W |
Combined power (-12V) | 3.6 W |
Combined power (+5Vsb) | 15 W |
Max output current (+3.3V) | 22 A |
Max output current (+12V) | 45.8 A |
Max output current (+12V1) | 18 A |
Max output current (+12V2) | 18 A |
Max output current (+12V3) | 20 A |
Max output current (+12V4) | 20 A |
Max output current (+5V) | 22 A |
Max output current (-12V) | 0.3 A |
Max output current (+5Vsb) | 3 A |
Hold time | 17.7 ms |
Efficiency | 93.8% |
Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
Ports & interfaces | |
Motherboard power connector | 20+4 pin ATX |
Motherboard power cable length | 60 cm |
Number of SATA power connectors | 9 |
Number of PATA power connectors | 3 |
EPS power connector (4+4 pin) | Y |
PCI Express power connectors (6+2 pin) | 2 |
PCI Express power cable length | 60 cm |
Floppy drive power connector | 1 |
Cabling type | Modular |
Performance | |
80 PLUS certification | 80 PLUS Platinum |
Purpose | PC |
Power supply unit (PSU) form factor | ATX |
ATX version | 2.51 |
Noise level | 14.9 dB |
Bearing technology | FDB |
Mean time between failures (MTBF) | 100000 h |
Certification | CE, CB, TÜV, FCC, cTUVus, RCM (Australia), BSMI, CU (Russia), CCC |
Design | |
Product colour | Black |
Cooling type | Active |
Fan diameter | 13.5 cm |
Number of fans | 1 fan(s) |
Fan speed | 0 - 1200 RPM |
Fan location | Top |
Weight & dimensions | |
Width | 150 mm |
Depth | 160 mm |
Height | 86 mm |
Weight | 1.66 kg |
Packaging data | |
Package width | 248 mm |
Package depth | 328 mm |
Package height | 102 mm |
Package weight | 2.84 kg |
Package type | Box |
Technical details | |
Sustainability certificates | RoHS, ENERGY STAR |
Logistics data | |
Master (outer) case width | 282 mm |
Master (outer) case length | 651 mm |
Master (outer) case height | 346 mm |
Master (outer) case gross weight | 20.6 kg |
Other features | |
EPS cable length | 70 cm |
Screws included | Y |
Cable ties included | Y |
Noise level (silent mode, <30%) | 9 dB |
Noise level (quiet mode, 50%) | 9.6 dB |
Noise level (full-load mode, 100%) | 14.9 dB |
Manual | Y |
Parallel processing technology support | Dual Graphics |
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