Name: SilverStone Strider ST550-EF 550W 80 PLUS Certified ATX Power Supply
SKU: 33145
Availability: InStock

SilverStone Strider ST550-EF 550W 80 PLUS Certified ATX Power Supply

Power Output: 550W
Efficiency: 80 PLUS Certified (82%–85%)
Form Factor: ATX
Input Voltage: 180–264V
Cooling: Quiet 120mm fan
Warranty: 12 months

Description

The SilverStone ST550-EF is a reliable and efficient power supply unit designed for mid-range desktop computers. With 80 PLUS certification, it delivers energy efficiency between 82% and 85%, reducing power waste and heat generation, making it an eco-friendly choice for any system.

It features a compact ATX design that fits most standard PC cases and a quiet 120mm fan operating at just 18dBA, ensuring effective cooling without unwanted noise.

The ST550-EF includes a strong +12V single rail that ensures stable power delivery to core components like CPUs and graphics cards. It’s a practical and cost-effective solution for users seeking dependable performance in a power supply that doesn’t compromise on quality or safety.

Shipping & Delivery

Features & Benefits:

- High energy efficiency with 80 PLUS certification
- Quiet 120mm fan for low-noise operation
- Active PFC for better power stability
- Full range of connectors for versatile system compatibility
- Built-in protections including over-voltage, over-power, and short-circuit protection
- Compact design fits standard ATX cases

Specifications:

- Brand: SilverStone
- Model: ST550-EF
- Power Output: 550W
- Efficiency: 82%–85%
- Input Voltage: 180–264V
- Frequency Range: 47–63Hz
- PFC: Active PFC (>0.9 at full load)
- Cooling: 120mm silent fan (18dBA)
- Connectors:
  - 1 × 24/20-pin motherboard
  - 1 × 8/4-pin EPS/ATX 12V
  - 2 × 6+2-pin PCIe
  - 6 × SATA
  - 2 × 4-pin Molex
- Operating Temperature: 0°C – 40°C
- Form Factor: ATX
- Dimensions: 150mm × 86mm × 140mm
- Weight: 1.38kg
- Warranty: 12 months

SilverStone Strider ST550-EF 550W 80 PLUS Certified ATX Power Supply

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