Power Supply Gigabyte P550B 550W 80 Plus Bronze PSU

The Gigabyte P550B 550W 80 Plus Bronze Power Supply is designed to provide stable, efficient, and reliable power for mainstream gaming PCs, office desktops, and productivity systems. Featuring 80 PLUS Bronze certification, it delivers up to 85% efficiency at typical load, reducing energy consumption, heat output, and operating costs. Built with high-quality components and a 120mm Hydraulic Bearing (HYB) silent fan, the P550B ensures dependable long-term performance while maintaining quiet operation. Its single +12V rail, Active PFC design, and comprehensive protection features make it an excellent choice for users seeking a reliable ATX power supply.

80 PLUS Bronze Certified Efficiency

The Gigabyte P550B is certified with 80 PLUS Bronze, providing up to 85% power conversion efficiency under typical workloads. Higher efficiency reduces wasted energy, minimizes heat generation, and contributes to lower electricity bills while improving overall system stability.

Stable Single +12V Rail Design

The PSU features a single +12V rail, ensuring consistent and stable power delivery to modern processors and dedicated graphics cards. This design supports balanced power distribution, making it suitable for gaming systems and high-performance desktop builds.

Quiet Cooling with 120mm Hydraulic Bearing Fan

Equipped with a 120mm Hydraulic Bearing (HYB) fan, the P550B automatically adjusts fan speed according to system load. The hydraulic bearing technology offers lower noise levels, improved durability, and efficient cooling, helping maintain optimal operating temperatures during extended use.

Comprehensive Hardware Protection

To protect valuable PC components, the Gigabyte P550B incorporates multiple built-in safety mechanisms, including:

• Over Voltage Protection (OVP)
• Under Voltage Protection (UVP)
• Over Current Protection (OCP)
• Over Power Protection (OPP)
• Short Circuit Protection (SCP)
• Over Temperature Protection (OTP)

These protection systems help ensure safe and reliable operation under varying workloads and unexpected electrical conditions.

Flexible Connectivity

The Gigabyte P550B includes all essential connectors required for modern desktop systems:

• 1 × 20+4 Pin ATX Motherboard Connector
• 1 × 4+4 Pin CPU/EPS Connector
• 2 × 6+2 Pin PCIe Connectors
• 6 × SATA Power Connectors
• 3 × Peripheral (Molex) Connectors
• 1 × Floppy Connector

Its ATX form factor ensures compatibility with most standard desktop computer cases.

Why Choose the Gigabyte P550B?

• 550W continuous power output
• 80 PLUS Bronze certified efficiency
• Active Power Factor Correction (Active PFC)
• Quiet 120mm Hydraulic Bearing fan
• Stable single +12V rail
• Flat black cables for improved airflow
• Comprehensive hardware protection
• ATX 12V v2.31 compliant
• 3-Year Manufacturer Warranty (region dependent)

Whether you're assembling a new gaming PC or upgrading an existing desktop, the Gigabyte P550B 550W 80 Plus Bronze Power Supply provides the efficiency, reliability, and protection needed for stable everyday computing.

FAQ (Frequently Asked Questions)

1. Is the Gigabyte P550B suitable for gaming PCs?

Yes. The 550W output is suitable for entry-level to mid-range gaming PCs with compatible power requirements.

2. Is the Gigabyte P550B modular?

No. It is a non-modular power supply with permanently attached flat cables.

3. What efficiency certification does this PSU have?

It is certified 80 PLUS Bronze, offering up to approximately 85% efficiency at typical load.

4. Does it support dedicated graphics cards?

Yes. It includes two 6+2 Pin PCIe connectors for compatible graphics cards.

5. What cooling fan does the P550B use?

It features a 120mm Hydraulic Bearing (HYB) silent cooling fan with intelligent speed control.

6. What protection features are included?

It includes OVP, UVP, OCP, OPP, SCP, and OTP for enhanced hardware safety.

7. Does the Gigabyte P550B use Active PFC?

Yes. It features Active Power Factor Correction (Active PFC) for improved power efficiency.

8. What is the warranty period?

The Gigabyte P550B comes with a 3-year manufacturer warranty, depending on regional policies.