General Information for Be Quiet PSU
be quiet! System Power 9 | 400W CM, 400 W, 200 - 240 V, 50 Hz, 4 A, Active, 103 W
System Power 9 | 400W CM
be quiet! System Power 9 400W CM offers renowned be quiet! reliability and quietness for cost-effective and reliable systems.
- Rock-solid stability with two strong 12V-rails
- DC-to-DC technology for tight voltage regulation
- Multi-GPU support with two PCIe connectors
- Temperature-controlled 120mm fan reduces system noise
- Stand-by drain of less than 0.15 watts
- 80 PLUS® Bronze efficiency (up to 89%)
- Semi-modular, high-quality sleeved and flat cables
- All-in-one cable with S-ATA, HDD and FDD connectors
- Complete suite of top safety features
- Meets latest Intel® C6/C7, ErP and Energy Star 6.1 guidelines
- 3-year manufacturer’s warranty
Very Quiet Operation
System Power 9 400W CM is equipped with a temperature-controlled 120mm fan. It provides you with the low noise operation that be quiet! is famous for, built into an entry-level system.
80+ Bronze Certification
The 80 PLUS Bronze certification is convincing evidence of this PSU’s efficient and power saving operation. It is a remarkable achievement for this class of PSU, realizing an efficiency rating of up to 89%.
High Performance for Your System
System Power 9 400W CM provides stable and dependable power for CPU and GPU. It is equipped with two independent 12V-rails and supports several graphics cards with two PCI express connectors for multi-GPU systems.
Innovative DC-to-DC Conversion
The PSU is equipped with DC-to-DC conversion for tight voltage regulation, even under heavy cross-loading conditions. This ensures reliable operation and makes it ready for the next generation of processors and graphics cards.
Semi-Modular Cable Management
System Power 9 400W CM comes with full high-quality black sleeved cables that add a touch of class to any PC system. Thanks to the semi-modular cable management, cables that serve no purpose in the system are left out.
Comprehensive Protection
Top component protection with a full suite of safety functions, including OCP, OVP, OPP, OTP UVP and SCP, which provide the ultimate in secure operation.
System Power 9 | 400W CM
Further details for this product, System Power 9 | 400W CM, can be found at the manufacturer website. Please note, these web addresse(s) are supplied by 3rd parties, Quzo UK is not responsible for the content.
400 W, ATX 2.51, 200-240 VAC, 6 A, 120mm fan
be quiet! System Power 9 | 400W CM. Total power: 400 W, AC input voltage: 200 - 240 V, AC input frequency: 50 Hz. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 45 cm, SATA power cable length: 550,670 mm. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Bronze. Product colour: Black, Cooling type: Active, Fan diameter: 12 cm. Cables included: PCIe, SATA
Warranty information: 3-year manufacturer’s warranty
Initial Release Date: 10/07/2019
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be quiet! System Power 9 | 400W CM, 400 W, 200 - 240 V, 50 Hz, 4 A, Active, 103 W BN300 Specifications
Product Type
PSU
Brand
Bequiet
Collection Model Be Quiet System Power 9 | 400W CM
Manufacturer Product Type
Be Quiet PSU
Product colour
Black
Cooling type Active
Number of fans 1 fan(s)
Fan diameter 12 cm
Product Family System Power 9 | 400W CM
Purpose PC
Motherboard power connector 20+4 pin ATX
Motherboard power cable length 45 cm
Number of PATA power connectors 2
Number of SATA power connectors 5
SATA power cable length 550,670 mm
PCI Express power connectors (6+2 pin) 2
PCI Express power cable length 50 cm
CPU power connector (4+4 pin) Yes
CPU power cable length 60 cm
Floppy drive power connector 1
Cabling type Semi-Modular
Total power 400 W
AC Input Voltage 200 - 240 V
Input current 4 A
Power factor 0.95
Power Factor Correction (PFC) type Active
Combined power (+3.3V) 103 W
Combined power (+12V) 384 W
Combined power (+5V) 103 W
Combined power (-12V) 3.6 W
Combined power (+5Vsb) 15 W
Max output current (+3.3V) 24 A
Max output current (+12V1) 22 A
Max output current (+12V2) 18 A
Max output current (+5V) 15 A
Max output current (-12V) 0.3 A
Max output current (+5Vsb) 3 A
AC input frequency 50 Hz
Hold time 17 ms
Weight 1.49 kg
Width 150 mm
Depth 140 mm
Height 86 mm
Power supply unit (PSU) form factor ATX
80 PLUS certification 80 PLUS Bronze
ATX version 2.51
Noise level (silent mode, <30%) 9.3 dB
Noise level (quiet mode, 50%) 9.7 dB
Noise level (full-load mode, 100%) 15 dB
Bearing technology Sleeve
Year 2019
Efficiency 89%
Harmonized System (HS) code 84733020
Power protection features Over current,Over power,Over voltage,Overheating,Short circuit,Under voltage
Power protection features Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Certification CE, CB, TV, RCM, CU
Master (outer) case gross weight 13.4 kg
Products per master (outer) case 6 pc(s)
Master (outer) case width 31.1 cm
Master (outer) case length 21.5 cm
Master (outer) case length 215 mm
Master (outer) case height 55.6 cm
Master (outer) case height 556 mm
Master (outer) case weight 13.4 kg
Quantity per master (outer) case 6 pc(s)
Master (outer) case width 311 mm
Sustainability certificates RoHS
Sustainability certificates ENERGY STAR
Sustainability certificates RoHS, ENERGY STAR
Compliance certificates RoHS
Cables included PCIe,SATA
Cables included PCIe, SATA
Manual Yes
Package width 97 mm
Package depth 268 mm
Package height 195 mm
Package weight 2.11 kg
Package Type Box
Screws included Yes
Compatible products Intel C6/C7
Gaming Platforms PC Platform
MPN BN300
 | Manufacturer PDF Specifications |
| Manufacturer PDF Manual |
be quiet! System Power 9 | 400W CM, 400 W, 200 - 240 V, 50 Hz, 4 A, Active, 103 W Instruction Manual
be quiet! System Power 9 | 400W CM, 400 W, 200 - 240 V, 50 Hz, 4 A, Active, 103 W Information Leaflet
be quiet! System Power 9 | 400W CM, 400 W, 200 - 240 V, 50 Hz, 4 A, Active, 103 W BN300 Reviews
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