Gigabyte P450B, 450 Watts, 80 PLUS Bronze, Hydraulic Bearing Fan

The P450B power supply is a reliable and efficient solution for entry-level gaming and office systems. Certified with 80 PLUS Bronze, it provides up to 85% efficiency at typical loads, reducing heat and energy costs.

Featuring a single +12V rail for stable power output, flat black cables for clean cable management, and a quiet 120mm hydraulic bearing fan, the P450B delivers dependable performance and durability. Equipped with multiple safety protections and a compact design, this PSU is an excellent choice for budget-conscious builders.

Key Features

• Wattage: 450W continuous output, ideal for entry-level systems and light gaming builds.
• Efficiency Rating: 80 PLUS Bronze certified, offering 85% efficiency under typical loads.
• Cooling System: Quiet 120mm hydraulic bearing (HYB) fan for effective cooling and low noise.
• Single +12V Rail: Ensures stable power delivery and simplified cable installation, ideal for overclocking.
• Compact Design: Standard ATX dimensions (150mm x 140mm x 86mm) for wide compatibility.
• Flat Black Cables: Streamlined cable management for improved airflow and a clean build aesthetic.
• Safety Protections: Equipped with OVP, OPP, SCP, UVP, OCP, and OTP to safeguard components.
• Durability: Rated for >100,000 hours MTBF, ensuring long-term reliability.

Gigabyte P450B Power Supply Specifications

• Brand: P450B
• Model: P450B
• Wattage: 450W 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
  • Peripheral (Molex): 3 x 4-pin Molex
  • Floppy: 1 x Floppy connector
• Dimensions: 150mm x 140mm x 86mm
• MTBF: >100,000 hours

Processor Compatibility

The P450B is compatible with modern CPUs, making it suitable for entry-level gaming and productivity setups featuring Intel Core i3/i5 or AMD Ryzen 3/5 processors.

Graphics Card Compatibility

The Gigabyte P450B Power Supply delivers reliable power for entry-level gaming systems and professional workloads. Its 450W capacity supports various graphics cards, ensuring stable performance for builds with moderate power needs. Below are some compatible GPUs from the list provided:

ASUS GeForce GTX 1650 OC Edition

A power-efficient card perfect for 1080p gaming. The 450W power supply delivers sufficient headroom for this GPU, ensuring smooth gameplay and productivity.

MSI GeForce GTX 1650 Ventus XS

An excellent match for entry-level builds, this GPU operates seamlessly with the Gigabyte P450B, leveraging its single +12V rail for steady performance.

Zotac Gaming GeForce GTX 1050 Ti 4GB

Ideal for lightweight gaming or office tasks. The P450B provides more than enough power for this low-wattage card.

Motherboard Compatibility

The Gigabyte P450B Power Supply supports a wide array of motherboards, thanks to its standard ATX design and all-black flat cables for easy cable management. Below are some compatible motherboards:

MSI A320M-A PRO MAX

This motherboard is great for budget builds with Ryzen CPUs, and the P450B fits perfectly, ensuring efficient and stable operation.

ASUS PRIME A320M-K

A compact and versatile motherboard ideal for entry-level systems. The P450B’s reliable power delivery complements this board’s compatibility with Ryzen processors.

Gigabyte H410M H V2 (LGA 1200 Socket)

Supports Intel’s 10th-gen CPUs, making it a solid pairing for this power supply.

Energy Efficiency

The 80 PLUS Bronze certification guarantees 85% efficiency at typical loads, reducing power consumption and minimizing heat output for an eco-friendly build.

Cooling and Noise Level

A 120mm hydraulic bearing fan ensures efficient cooling while operating quietly, enhancing the system’s overall thermal performance without excess noise.

Is the P450B for You?

The P450B is an ideal choice for budget-conscious builders seeking a reliable PSU for entry-level systems. With its 450W output, 80 PLUS Bronze efficiency, and single +12V rail, it delivers stable power for gaming and productivity setups. Its compact design, quiet fan, and flat cables make it perfect for streamlined builds with enhanced airflow.