GIGABYTE GP-P550SS 550W 80 PLUS Silver Power Supply
The GIGABYTE GP-P550SS is a high-performance 550W power supply unit designed for desktop PCs. With 80 PLUS Silver certification and support for the Intel ATX 3.0 standard, it delivers efficient, stable power for modern systems.
Key Features
- 80 PLUS Silver Certified
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Up to 90% efficiency at 50% load (230V EU) for reduced power loss and heat.
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ATX 3.0 Compatible (Supports ATX 3.1)
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Built to the Intel ATX 12V v3.0 standard and compatible with ATX 3.1 platforms.
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Quiet, Durable Cooling
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Equipped with a 120mm Fluid Dynamic Bearing (FDB) fan for quieter operation and enhanced durability.
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Single +12V Rail Design
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Powerful single +12V rail for stable power delivery, suitable for overclocking.
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Flat, All-Black Cables
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Flat cable design improves airflow and helps reduce clutter inside the chassis.
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Comprehensive Protection
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Built-in protection: OVP, OPP, SCP, UVP, OCP, OTP.
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3-Year Warranty
- Backed by a 3-year warranty for added confidence.
Specifications
| Specification | Details |
|---|---|
| Model | GP-P550SS |
| Form Factor | ATX 12V v3.0 |
| Output Capacity | 550W |
| Efficiency | 80 PLUS Silver (90% at typical load, 230V EU) |
| Input Voltage | 155–240 Vac |
| Input Current | 6.3A |
| Input Frequency | 50–60 Hz |
| Dimensions | 150 x 140 x 86 mm |
| Fan Type | 120mm Fluid Dynamic Bearing (FDB) fan |
| MTBF | > 100,000 hours |
| Protection | OVP / OPP / SCP / UVP / OCP / OTP |
| Hold Up Time | 100–150 ms |
| Cable Type | Flat, all black |
Connectors & Cable Lengths
- Motherboard
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ATX/MB 20+4 Pin x 1: 600mm
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CPU
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CPU/EPS 4+4 Pin x 1: 650mm
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PCI-E (Graphics)
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PCI-e 6+2 Pin x 2: 600mm + 120mm
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SATA & Peripheral
- SATA x 3 + 4 Pin Peripheral x 1: 500mm + 120mm + 120mm + 120mm
- SATA x 2 + 4 Pin Peripheral x 2: 500mm + 120mm + 120mm + 120mm
The GIGABYTE GP-P550SS combines efficient power delivery, quiet cooling, and a clean cable design, making it a strong choice for reliable desktop PC builds.
