Lian Li RB Series 550W ATX 3.1 PCIe 5.1 80 Plus Bronze Power Supply
The Lian Li RB Series 550W Power Supply is an 80 PLUS Bronze rated unit with ATX 3.1 and PCIe 5.1 support. It features a quiet 135mm HYB fan, active PFC, and comprehensive protections, making it a reliable choice for mid-range builds. Available with nationwide delivery and cash on delivery across 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
₨ 14,499
Description
The Lian Li RB Series 550W Power Supply delivers reliable and efficient power for your PC build. With 80 PLUS Bronze certification, it offers up to 87% energy efficiency, reducing heat and electricity costs. Its ATX 3.1 and PCIe 5.1 compliance ensures compatibility with modern GPUs and motherboards.
Equipped with a 135mm HYB fan, the PSU operates quietly at just 33.2 dBA while maintaining excellent cooling. Active PFC with >0.95 power factor ensures stable performance under load. Comprehensive protection includes OPP, OVP, SCP, OCP, UVP, and OTP for peace of mind.
- 80 PLUS Bronze certified for high efficiency
- ATX 3.1 and PCIe 5.1 compliant
- 135mm HYB fan with low noise (33.2 dBA)
- Active PFC (PF > 0.95) for stable power delivery
- Full protection: OPP, OVP, SCP, OCP, UVP, OTP
- Non-modular design with 550W max DC output
Specification
Overview
| Warranty | 1 Year |
|---|---|
| Model No. | RB0550B |
| ATX12V Version | ATX 3.1 |
| Efficiency | 80 PLUS Bronze |
| DC Output Cable | Non-Modular |
| Dimensions | (D)150 mm × (W)86 mm × (H)150 mm |
| Color | Black |
| PFC | Active PFC, PF > 0.95 under full load @ 115Vac, 60Hz |
| Input Rating | 100–240Vac 8A, 50–60Hz |
| Max DC Output | 550W |
| Combined +12V | 549.6W |
| Fan Spec | 135mm HYB Fan |
| Fan RPM | 1300 RPM |
| Noise Level | 33.2 dBA |
| MTBF | 100,000 hrs minimum (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 |
Customer Reviews
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