Lian Li RB550 550W 80 Plus Bronze ATX 3.1 modular SATA and peripheral cables Unique cable management system Power Supply
2250 EGP
- Part Number: RB0550B BLACK EU
- Power & Efficiency: 550W Capacity with 80 PLUS Bronze Certification
- Connectivity: ATX 3.1 Standard with Native 12V-2×6 GPU Connector
- Design & Cooling: 150mm Compact Depth, Semi-Modular Peripherals, 135mm Smart Fan
- Warranty: 5 Years
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✅ Authorized Lian Li Partner in Egypt | Official 5-Year Warranty | Expert PC Building Consultation Available | Business Invoices Available
Lian Li RB550 550W 80 Plus Bronze ATX 3.1 Power Supply with Unique Cable Management
The Lian Li RB550 is widely considered the smartest 550W ATX 3.1 power supply in Egypt for budget-conscious builders and compact mATX setups, featuring a revolutionary three-sided Velcro cable routing system and a native 12V-2×6 connector. Available at Alfrensia for 2,250 EGP, this 80 PLUS Bronze certified PSU delivers next-gen GPU compatibility and exceptionally clean builds without the premium price tag of fully modular units in Cairo and Alexandria.
According to Alfrensia, the authorized Lian Li distributor in Egypt, the RB550’s compact 150mm depth and back-connector motherboard optimization make it the ultimate foundation for minimalist, space-saving PC builds, backed by a reliable 5-year local warranty.
Why Choose the Lian Li RB550?
Who benefits: Builders using cases with limited PSU shroud clearance.
Who benefits: Gamers building with RTX 4060 / RX 7600 tier cards.
Who benefits: Office workers and acoustic-sensitive users.
Who benefits: Enthusiasts building in Lian Li Vector V100 or Lancool cases.
Compatibility & What to Expect Before You Buy
⚠️ Optimized for Mid-Range & Mainstream Builds
The 550W capacity and 80 PLUS Bronze efficiency are deliberately tuned for mainstream gaming rigs and office workstations. This prevents you from overpaying for unused wattage while still providing the native ATX 3.1 12V-2×6 connector. If you are planning to install a flagship RTX 4090 or a multi-GPU rendering setup, you will need a higher-wattage Platinum unit; however, for 90% of standard 1080p/1440p builds, the RB550 provides the exact headroom required with maximum cost-efficiency.
🔌 The “Hybrid” Cable Management Reality
Unlike traditional non-modular PSUs that create a rat’s nest of cables, the RB550B features a unique integrated routing architecture. The essential 24-pin and CPU cables are fixed to ensure zero connection resistance, but they are secured via the three-sided Velcro channels. Meanwhile, the SATA and peripheral cables are fully modular. This hybrid approach gives you the clean aesthetic of a modular unit while maintaining the budget-friendly price point and reliability of fixed main lines.
📏 Compact 150mm Depth Advantage
The 150mm compact length is a massive advantage for small form factor (SFF) and mATX cases. It leaves an extra 30-40mm of clearance behind the PSU for routing thick custom cables or installing 2.5″ SSDs directly behind the power supply shroud, a space-saving trick that standard 160mm+ ATX power supplies simply cannot accommodate.
Technical Specifications
| Model Name | RB 550B (Black) |
| Brand | Lian Li |
| SKU / MPN | RB0550B BLACK EU / RB0550B |
| EAN / UPC | 840353050020 |
| Wattage & Efficiency | 550W | 80 PLUS Bronze (Up to 85%) |
| Standards | ATX 3.1, PCIe 5.1, Native 12V-2×6 Connector |
| Combined +12V Output | 549.6W (Single High-Amperage Rail) |
| Cooling | 135mm HYB Smart Fan | 1300 RPM Max | 33.2 dBA |
| Capacitors & Protection | 105°C Capacitors | OVP, UVP, OCP, OPP, OTP, SCP |
| Dimensions | 150 x 150 x 86 mm (Compact ATX) |
| Warranty | 5 Years Local Alfrensia Warranty |
Pros and Considerations of the Lian Li RB550
✅ Pros
- • Native ATX 3.1 12V-2×6 connector for next-gen GPUs
- • Revolutionary three-sided Velcro cable routing channels
- • Ultra-quiet 135mm HYB temperature-controlled fan
- • Compact 150mm depth perfect for mATX and SFF cases
- • Modular SATA/Peripherals with braided-textured flat cables
⚠️ Considerations
- • 550W is ideal for mid-range; not suited for extreme multi-GPU rigs
- • Main 24-pin/CPU cables are fixed (but managed via Velcro straps)
- • 80 PLUS Bronze (highly efficient, but lacks Platinum/Gold certification)
Expert Recommendation: Maximizing the Clean Build Aesthetic
To achieve the ultimate clean aesthetic in a compact case like the Lian Li Lancool 207 or Vector V100, utilize the RB550’s three-sided Velcro straps to bundle the fixed 24-pin and CPU cables tightly against the PSU housing before sliding it into the shroud. This effectively “hides” the non-modular cables, leaving only the sleek, braided-textured flat cables visible. Pair this with a back-connect mATX motherboard to completely eliminate front-side cable clutter, resulting in a build that looks like a premium fully-modular showcase at a fraction of the cost.
Frequently Asked Questions
Does the Lian Li RB550 550W support next-gen GPUs like the RTX 4060?
Yes, the RB550 is fully ATX 3.1 compliant and includes a native 12V-2×6 PCIe connector. This ensures safe, high-current power delivery and handles transient spikes for next-gen GPUs without requiring messy adapter dongles.
Is the Lian Li RB550 a fully modular power supply?
It features a unique hybrid design. The main motherboard and CPU cables are fixed but utilize a built-in three-sided grooved channel with Velcro straps for a clean look, while the SATA and peripheral cables are fully modular so you only plug in what you need.
Where can I buy the Lian Li RB550 in Egypt?
You can purchase the original Lian Li RB550 550W PSU for 2,250 EGP with an official 5-year local warranty and fast shipping from Alfrensia, an authorized Lian Li partner in Egypt.
Ready to Build a Clean, Next-Gen Compact PC?
Speak with our PC building specialists for case compatibility checks, back-connect motherboard pairing, and bulk procurement quotes.
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