Lian Li RB Series 650W ATX 3.1 PCIe 5.1 80 Plus Bronze Power Supply
The Lian Li RB Series 650W Power Supply is a reliable ATX 3.1 and PCIe 5.1 compatible unit with 80 PLUS Bronze efficiency. It delivers 650W with a strong +12V rail (649.2W) and features a quiet 135mm HYB fan, comprehensive protections, and a non-modular cable design. Ideal for modern builds, it is available nationwide in Pakistan with cash-on-delivery.
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
₨ 17,675
Description
The Lian Li RB Series 650W Power Supply delivers reliable and efficient power for your PC build. With 80 PLUS Bronze certification, it ensures up to 88% efficiency under typical loads, reducing energy waste and heat generation. Its ATX 3.1 and PCIe 5.1 compliance guarantees compatibility with the latest hardware, including modern graphics cards.
Equipped with a 135mm HYB fan, this PSU operates quietly at up to 39.3 dBA while maintaining optimal cooling. Active PFC (PF > 0.95) and comprehensive protections (OPP, OVP, SCP, OCP, UVP, OTP) safeguard your components. The non-modular cable design simplifies installation, and the compact 150×86×150mm dimensions fit most cases.
- 650W max DC output with strong +12V rail (649.2W) for high-demand components
- 80 PLUS Bronze efficiency for reliable performance
- ATX 3.1 & PCIe 5.1 ready for next-gen GPUs
- 135mm HYB fan with 1600 RPM and 39.3 dBA noise level
- Full protection suite: OPP, OVP, SCP, OCP, UVP, OTP
- Non-modular design with 1-year warranty; nationwide delivery in Pakistan including Karachi, Lahore, and Islamabad with cash-on-delivery available





Specification
Overview
| Warranty | 1 Year |
|---|---|
| Category | RB 650B (RU: BX0650B) |
| Product Name | RB 650B |
| Model No. | RB0650B (RU: BX0650B) |
| 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 | 650W |
| Combined +12V | 649.2W |
| Fan Specification | 135mm HYB Fan |
| Fan RPM | 1600 RPM |
| Noise Level | 39.3 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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