GIGABYTE P550SS ICE Power Supply - PCIe 5.0, 80 PLUS Silver, 120mm Fan, ATX 3.0 compatible, EU Plug

The GIGABYTE P550SS ICE 550W power supply delivers 550 watts of continuous power with PCIe 5.0 support and 80 PLUS Silver efficiency. Designed to meet ATX 3.0 standards, it features a fully modular cable layout and a 120 mm active cooling fan in a compact 140 × 150 × 86 mm housing. With an AC input range of 155–240 V and frequency support of 50/60 Hz, this PSU provides stable energy delivery for mid- to high-performance desktop systems.

Advantages

The unit offers 80 PLUS Silver efficiency (approximately 90% efficiency), reducing wasted energy and operating costs. Its fully modular design simplifies cable management and improves airflow inside the chassis. Built-in active cooling from the 120 mm fan helps maintain stable temperatures under load. Compliance with ATX 3.0 and support for PCIe 5.0 ensure compatibility with modern components and graphics cards.

Suitable for

• Gaming PCs with mid-range to high-end components
• Workstations requiring stable 550W power
• Systems using PCIe 5.0 graphics cards
• Builds where clean cable management and airflow are important

Key specifications

• Total power: 550 W
• Efficiency: 80 PLUS Silver (≈90%)
• Motherboard connector: 20+4 pin ATX
• Fan diameter: 120 mm
• AC input: 155–240 V, 50/60 Hz
• Form factor compatibility: ATX 3.0
• Dimensions: 140 mm (W) × 150 mm (D) × 86 mm (H)
• Weight: 1.95 kg
• Color: White

How to use

Install the PSU into a compatible ATX case following the case and motherboard manufacturer instructions. Connect the 20+4 pin ATX main power cable to the motherboard and attach modular cables for CPU, GPU, storage and peripherals as required. Ensure the AC input voltage matches your local supply (155–240 V) and secure the unit with the case mounting screws. Power on the system and verify stable operation and fan activity under load.

Recommendations

Use the GIGABYTE P550SS ICE in systems whose total component power draw remains comfortably below 550W to maintain efficiency and longevity; ensure good case airflow and periodically check modular cable connections for secure contact.