Lian-Li RB Series 80 PLUS Bronze Netzteil, teilmodular, ATX 3.1 - 550 Watt, schwarz
550 WMore than 10 pieces in stock at supplier
Performance3
Product details
The Lian Li RB 550B is a powerful and reliable computer power supply designed specifically for the stable operation of PC systems. With a power output of 550 watts and an 80 PLUS Bronze certification, it offers energy efficiency of 82-85 percent under typical load, optimizing power consumption and heat generation. The power supply features a single 12V rail design that allows for a maximum current output of 45.8A, ensuring a stable power supply for critical components such as the CPU and graphics card. The semi-modular cable management solution provides a neat and organized installation, while the 120 mm cooling fan with intelligent temperature control ensures quiet operation. The RB 550B is equipped with comprehensive protection circuits that safeguard connected components against overvoltage, undervoltage, overcurrent, short circuits, and overload.
- 80 PLUS Bronze certification for high energy efficiency
- Single 12V rail design for stable power supply
- Semi-modular cable management for easy installation
- Intelligent temperature control of the 120 mm cooling fan
- Comprehensive protection circuits for component safety.
Form factor | ATX |
ATX version | 3.1 |
Modularity | Partially modular cable management |
Max. noise level | 33.20 dB |
Internal connections | 24-pin ATX power connector (1x), 4+4-pin 12V (1x), 6+2-pin PCI Express (4x), mSATA (3x) |
Power protection features | EIA, OCP, OPP, OVP, SCP |
Item number | 64814188 |
Manufacturer | Lian-Li |
Category | Power Supply PC |
Manufacturer No. | G9P.RB0550B.B000.EU |
Release date | 4.11.2025 |
External links |
Colour | Black |
Exact colour description | Black, Black |
Form factor | ATX |
ATX version | 3.1 |
Efficiency | 85% |
Modularity | Partially modular cable management |
Max. noise level | 33.20 dB |
Internal connections | 24-pin ATX power connector (1x), 4+4-pin 12V (1x), 6+2-pin PCI Express (4x), mSATA (3x) |
Cooling method | Active cooling |
Number of fans | 1x |
Fan diameter | 135 mm |
LED lighting | without LED |
Power protection features | EIA, OCP, OPP, OVP, SCP |
Power | 550 W |
Cable length | 65 cm |
Country of origin | China |
CO₂ emissions | 378 kg |
Climate contribution | EUR 2,88 |
Scope of delivery | Cpu, Floppy, Pata, PCIe, SATA |
Length | 15 cm |
Width | 15 cm |
Height | 8.60 cm |
Weight | 2010 g |
Product Safety |
Length | 30 cm |
Width | 21 cm |
Height | 15 cm |
Weight | 3.29 kg |
30-day right of return
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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- 5.Seasonic1,1 %
- 6.Fortron1,2 %
- 7.Lian-Li1,3 %
- 8.Cooler Master1,4 %
- 8.Enermax1,4 %
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- 6.AsRock2 days
- 6.Gigabyte2 days
- 6.Lian-Li2 days
- 6.Thermaltake2 days
- 10.Deepcool3 days
Return rate
How often is a product of this brand in the «Power Supply PC» category returned?
Source: Galaxus- 12.AsRock5,4 %
- 12.Deepcool5,4 %
- 12.Lian-Li5,4 %
- 15.ASUS5,5 %
- 16.Intertech5,7 %