Product details
The be quiet! System Power 9 CM offers the reliable and quiet operation known for be quiet! and is perfectly suited for PC building. It provides a stable and reliable power supply for CPU and GPU.
The power supply is equipped with two independent 12V lines and supports graphics card configurations with two PCI Express connectors. The DC/DC converter provides strong voltage regulation - even during heavy cross-loads. This makes the power supply a reliable companion for the next generations of processors and graphics cards.
| Form factor | ATX |
| 80 PLUS certificate | Bronze |
| Modularity | Partially modular cable management |
| Internal connection options | 15-pin S-ATA (5x), 20+4 PIN ATX power connector (1x), 4-pin floppy (1x), 4+4-pin 12V (1x), 6+2-pin PCI Express (2x) |
| Item number | 11918093 |
| Manufacturer | |
| Category | |
| Manufacturer no. | BN300 |
| Release date | 24.7.2019 |
| Sales rank in Category Power Supply PC | |
| External links |
| Colour group | Black |
| Exact colour description | Black |
| Form factor | ATX |
| Efficiency | 89 % |
| 80 PLUS certificate | Bronze |
| Modularity | Partially modular cable management |
| Internal connection options | 15-pin S-ATA (5x), 20+4 PIN ATX power connector (1x), 4-pin floppy (1x), 4+4-pin 12V (1x), 6+2-pin PCI Express (2x) |
| Cooling method | Active cooling |
| Number of fans | 1 x |
| Fan diameter | 120 mm |
| LED colour | without LED |
| Power protection features | EIA, OCP, OPP, OTP, OVP, SCP |
| Power | 400 W |
| Scope of delivery | PCIe, SATA |
| Length | 14 cm |
| Width | 15 cm |
| Height | 8.60 cm |
| Weight | 1490 g |
| Length | 27 cm |
| Width | 19.80 cm |
| Height | 9.80 cm |
| Weight | 2.08 kg |
Specifications may include unverified machine translations.
14-day cancellation right
30-day right of returnReturn policy
30-day right of returnReturn policy
24 Months Statutory warrantyGuarantee provisions
3 additional offers
Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Power Supply PC» category have a defect within the first 24 months?
Source: Galaxus- 1.Fortron0,8 %
- 2.Xilence0,9 %
- 3.be quiet!1 %
- 3.Corsair1 %
- 5.MSI1,1 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- 10.Enermax5 days
- 10.Lian-Li5 days
- 12.be quiet!8 days
- 12.Seasonic8 days
- 14.ASUS10 days
Return rate
How often is a product of this brand in the «Power Supply PC» category returned?
Source: Galaxus- 1.MSI2,9 %
- 2.Intertech3 %
- 3.be quiet!3,4 %
- 4.NZXT3,7 %
- 4.Seasonic3,7 %
Source: Galaxus