Description
Theย Lian Li RB Series 750W PSUย is the perfect choice for entry-level gaming PCs, facilitating optimal performance with ample power delivery, a compact form factor, and a semi-modular design. The unique design has the essential cables hardwired into the power supply and provides modular cables for optional devices. Plus, there are integrated cable management straps on three sides, to keep your cable runs tidy. Utilising high-grade electrolytic capacitors, theย Lian Li RB Series 750W PSUย is up to 85% efficient at half loads, earning an 80 PLUS Bronze rating.
Lian Li RB Series Power Supplies at a Glance:
- Reliable power delivery of up to 750W
- 80 PLUS Bronze rating – 85% efficient at half load
- Semi-modular design with essential cables hardwired
- Innovative cable management to reduce clutter
- Complies with the ATX 3.1 standard
- Improved cooling performance thanks to a 135mm HDB fan
Who is the Lian Li RB Series Power Supplies Perfect For?
- First time builders after a simple to work with PSU
- Enthusiasts looking to minimise cable clutter
- Entry-level gamers on a limited budget
Lian Li RB Series Power Supplies Launch Trailer

Reliable Power Delivery
Theย Lian Li RB Series 750W PSUย has been manufactured from premium quality materials, including high-quality electrolytic capacitors. These have been chosen as they deliver smooth and reliable performance, even at temperatures of up to 40ยฐC. Thanks to this, the Lian Li RB Series is highly efficient, earning an 80 PLUS Bronze rating, which means 85% efficiency at half loads.
A Modern Semi-Modular PSU
Boasting a semi-modular design, theย Lian Li RB Series 750W PSUย makes installation simple. This power supply comes with hardwired cables for your essential hardware, like a 24-pin cable for your motherboard and a CPU EPS cable for your processor. Plus, this 750W model includes a PCIe 6+2 and a 12V-2×6 cable, as well as a 12V-2×6 to PCIe cable adapter. The 12V-2×6 cable power connector features a dual-colour design to make installation safer and easier. When mounting this cable, if you can see any blue, then the cable is not fully inserted and therefore not safe to use.
To minimise clutter, cables for SATA devices and peripherals utilise modular connectors. This means you can connect the cables required for your devices, as and when they are needed.


Clean Cable Management
In addition to its unique modular design, theย Lian Li RB Series PSUย features integrated cable management. Three sides of the power supply feature a pair of Velcro straps, which can be used to gather your excess wires together. As such, you can minimise any cable clutter in your chassis.
Powerful Cooling
To ensure this power supply stays cool, it features an efficient thermal solution. In place of a standard 120mm fan, theย Lian Li RB Series 750W PSUย is equipped with a 135mm HDB fan. Thanks to the increased size, this fan offers improved cooling performance while spinning at lower speeds, maintaining your power supply at optimum temperatures even under heavy loads. The slower speeds also mean the fan is also quieter when in operation, producing just 40.1dB(A) when spinning at 1600RPM.

| Lighting | |
| Lighting / RGB | No |
| Dimensions | |
| Length / Depth | 150 mm |
| Width | 150 mm |
| Height | 86 mm |
| Efficiency Class | |
| 80PLUS Efficiency | 80 PLUS Bronze |
| Colour | |
| Primary Colour | Black |
| Power Specifications | |
| Total Power Output | 750 W |
| Power Output +12V rails | 750 W |
| Fan Specifications | |
| Fan Size | 135 mm |
| Power Supply | |
| PSU Format | ATX |
| Modular Power Supply | No |
| Internal Ports | |
| CPU Power Connectors 12V ATX/EPS | 2 |
| 8 Pin PCIe Power Connectors | 0 |
| 6+2 Pin PCIe Power Connectors | 3 |
| SATA Power Connectors | 5 |
| Cooling | |
| Semi Passive Power Supply | No |
| Cable Specifications | |
| Max. CPU Power Cable Length | 650 mm |
| Max. 24-Pin Motherboard Power Cable Length | 600 mm |











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