Lian Li · RB
Fixed-cable ATX 3.1 power with a cable-routing channel
Lian Li RB is an 80 PLUS Bronze non-modular ATX power supply. Its attached cable set, built-in routing channel and three-sided cable exits are designed to organize power connections, including in compatible back-connect builds. Selected finish: Black.
Organize the attached cable set
Unlike a fully modular unit, RB keeps its output cables permanently attached. A routing channel and Velcro straps help manage that bundle. Cable exits on three sides offer routing options, particularly around a compatible rear-connector motherboard.
Match PSU output to the whole system
The wattage identifies the PSU’s maximum rated DC output, not the constant electricity draw of the PC. Check the CPU, GPU and remaining hardware requirements, as well as the graphics card manufacturer’s recommended PSU and connector requirements.
Cooling and electrical protection
A 135mm HYB fan adjusts to temperature. The listed protection circuits cover overvoltage, undervoltage, overcurrent, overpower, overheating and short-circuit conditions. These protections do not eliminate the need for correct installation, fully seated connectors and suitable power infrastructure.
RB specifications
- Efficiency certification
- 80 PLUS Bronze
- ATX specification
- ATX 3.1
- Cable design
- Non-modular; fixed output cables
- Input
- 100–240V AC, 50–60Hz
- Power factor correction
- Active PFC
- Fan
- 135mm HYB temperature-controlled fan
- GPU power connection
- PCIe 6+2-pin; no 12V-2×6 cable listed for the 550W model
- Protections
- OVP / UVP / OCP / OPP / OTP / SCP
- Colour
- Black
- Maximum rated DC output
- 550W
RB build questions
Can I remove unused cables from the PSU?
No. RB is non-modular, so its output cables are fixed. Route and secure unused cables rather than attempting to detach them.
Does 80 PLUS Bronze mean the same as the rated wattage?
No. Bronze is an efficiency classification; the stated wattage is maximum rated DC output. Efficiency, PSU capacity and the system’s actual load are different quantities.
Official Lian Li RB product information and manuals
Specifications and box contents may vary by region or manufacturer revision. Please check the linked manufacturer information and confirm any essential feature or included accessory with GameOn.pk before ordering.
| Brand | Lian Li |
|---|---|
| Color | Black |
| Wattage | 550W |
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