Lian Li RB Series 750W ATX 3.1 PCIe 5.1 80 Plus Bronze Power Supply
The Lian Li RB Series 750W ATX 3.1 PCIe 5.1 80 Plus Bronze Power Supply delivers reliable 750W output with 80 PLUS Bronze efficiency and active PFC. Its non-modular design, 135mm HYB fan, and comprehensive protections ensure stable performance for your system. Backed by a 1-year warranty and available with nationwide delivery in Pakistan.
Shipping & Delivery
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Pick up from the Megacomputer Store
To pick up today
Free
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Express delivery
Applicable to selected areas in Karachi only
1-2 Days
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TCS Courier delivery
Our courier partner will deliver to your specified address
Delays may occur due to situations out of our control
3-4 Days
₨ 19,695
Description
The Lian Li RB Series 750W Power Supply delivers reliable and efficient power for your PC build. With 80 PLUS Bronze certification and active PFC, it ensures stable performance with up to 87% efficiency under typical loads. The non-modular cable design simplifies installation for budget-conscious builds.
Compliant with ATX 3.1 and PCIe 5.1 standards, this PSU includes a 135mm HYB fan that operates at up to 1600 RPM with a noise level of 40.1 dBA. Comprehensive protections (OPP, OVP, SCP, OCP, UVP, OTP) safeguard your components, while a 100,000-hour MTBF ensures long-term reliability. Available with nationwide delivery and cash-on-delivery across Pakistan.
- 750W continuous output with 80 PLUS Bronze efficiency
- ATX 3.1 & PCIe 5.1 ready for modern GPUs
- Active PFC (PF > 0.95) for improved power factor
- 135mm HYB fan with 1600 RPM and 40.1 dBA noise level
- Full protection suite: OPP, OVP, SCP, OCP, UVP, OTP
- Non-modular design with 1-year warranty





Specification
Overview
| Warranty | 1 Year |
|---|---|
| Category | RB 750B (RU: BX0750B) |
| Product Name | RB 750B |
| Model No. | RB0750B (RU: BX0750B) |
| ATX12V Version | ATX 3.1 |
| Efficiency | 80 PLUS Bronze |
| DC Output Cable | Non-Modular |
| Dimensions (D×W×H) | 150 × 86 × 150 mm |
| Color | Black |
| PFC | Active PFC, PF > 0.95 @ 115Vac, 60Hz |
| Input Rating | 100–240Vac, 8A, 50–60Hz |
| Max. DC Output | 750W |
| Combined +12V | 750W |
| Fan Specification | 135mm HYB Fan |
| Fan RPM | 1600 RPM |
| Noise Level | 40.1 dBA |
| MTBF | 100,000 hrs (25℃ / 75% Load) |
| Protection | OPP, OVP, SCP, OCP, UVP, OTP |
| Safety Approval | CE / CB / cTUVus / TÜV / FCC / BSMI / CCC / KCC / SAA + RCM |
| Combined +3.3V & +5V | 100W |






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