Gigabyte P550B, 550 Watts, 80 PLUS Bronze, Hydraulic Bearing Fan

The Gigabyte P550B power supply is designed to deliver reliable and efficient performance for gaming and productivity systems. Certified with 80 PLUS Bronze, it ensures 85% efficiency at typical loads, reducing heat and energy waste.

Featuring a single +12V rail for stable power output, flat black cables for clean cable management, and a 120mm hydraulic bearing fan for quiet operation, the P550B is ideal for mid-range builds. Its robust safety features ensure stable operation under various conditions, offering peace of mind for your components.

Key Features

• Wattage: 550W continuous power, ideal for mid-range gaming and office setups.
• Efficiency Rating: 80 PLUS Bronze certified, offering 85% efficiency at 50% load to reduce power waste.
• Cooling System: Quiet 120mm hydraulic bearing (HYB) fan for optimal cooling and extended lifespan.
• Single +12V Rail: Delivers stable power output and simplified cable installation for overclocking and high-performance hardware.
• Flat Black Cables: Streamlined cable management improves airflow and enhances aesthetics.
• Comprehensive Protection: Features OVP, OPP, SCP, UVP, OCP, and OTP for safe and stable operation.
• Durability: Rated for  100,000 hours MTBF, ensuring long-term reliability.

Gigabyte P550B  Power Supply Specifications

• Brand: Gigabyte
• Model: P550B
• Wattage: 550W continuous output
• Efficiency Certification: 80 PLUS Bronze
• Form Factor: ATX 12V V2.31
• Input Voltage: 100-240V AC (full range)
• Input Frequency Range: 50-60Hz
• PFC: Active PFC (>0.9 typical)
• Fan Size and Type: 120mm Hydraulic Bearing (HYB) fan
• Hold-Up Time: >16ms at 80% load
• Power Good Signal: 100-500ms
• Protections: OVP, OPP, SCP, UVP, OCP, OTP
• Cable Type: Flat, black cables
• Connectors:
  • Motherboard: 1 x 24-pin ATX (20+4)
  • CPU/EPS: 1 x 4+4-pin EPS12V
  • PCIe: 2 x 6+2-pin PCIe
  • SATA: 6 x SATA connectors
• Dimensions: 150mm x 140mm x 86mm
• MTBF: 100,000 hours

Processor Compatibility

The P550B supports modern CPUs, making it suitable for mid-range gaming and multitasking systems featuring Intel Core i5/i7 or AMD Ryzen 5/7 processors.

Graphics Card Compatibility

The Gigabyte P550B Power Supply, 550W is an affordable and efficient choice for mid-range gaming setups. With its 80 PLUS Bronze certification ensuring up to 85% efficiency, this PSU can reliably handle graphics cards with moderate power demands.

Compatible graphics cards

• NVIDIA GeForce GTX Series: ASUS GTX 1650 OC Edition, MSI GTX 1660 SUPER Ventus XS, Palit RTX 3050 StormX.
• NVIDIA RTX Series: Gigabyte RTX 3060 Windforce OC, MSI RTX 4060 Ventus 2X Black 8G OC, ASUS RTX 3050 V2 OC Edition.
• AMD Radeon Series: Gigabyte Radeon RX 6500 XT Eagle, Sapphire Radeon RX 6600 Pulse Gaming, MSI Radeon RX 6500 XT Mech 2X.

These cards align perfectly with the P550B’s 550W capacity, ensuring steady and efficient power delivery for budget and mid-range builds.

Motherboard Compatibility

This power supply adheres to the ATX12V v2.31 standard, ensuring broad compatibility across entry-level and mid-range motherboards.

Compatible motherboards

• AMD AM4 Chipsets: ASUS PRIME A320M-K, MSI B450M-A PRO MAX II, Gigabyte B550M AORUS ELITE AX.
• Intel LGA 1200 Chipsets: MSI PRO H510M B, Gigabyte H510M DS2.
• Intel LGA 1700 Chipsets: ASUS PRIME B760M-K, MSI PRO B760M-A WIFI DDR4.

Whether you’re pairing it with an AMD or Intel build, the P550B delivers reliable and efficient power to meet the requirements of modern motherboards.

Energy Efficiency

The 80 PLUS Bronze certification ensures 85% efficiency at typical loads, reducing energy consumption and keeping your system cooler for cost-effective performance.

Cooling and Noise Level

The 120mm hydraulic bearing fan operates quietly while optimizing thermal performance. Its dynamic speed adjustment ensures efficient cooling under varying loads, reducing noise during light operations.

Is the Gigabyte P550B   for You?

The Gigabyte P550B is an excellent choice for budget-conscious builders seeking a reliable PSU for mid-range systems. With its 550W output, 80 PLUS Bronze efficiency, and quiet operation, it delivers stable and efficient power for gaming or office builds. Its comprehensive protections and durable design make it a dependable and cost-effective power solution.