Power Supply Gigabyte P450B 450W 80 Plus Bronze PSU
The Gigabyte P450B 450W 80 Plus Bronze Power Supply is a dependable choice for entry-level gaming PCs, office computers, and productivity workstations. Designed with 80 PLUS Bronze certification, it delivers up to 85% efficiency at typical load, helping reduce energy waste, heat generation, and operating noise. The non-modular design features durable flat cables for easier cable management and improved airflow inside the PC case.
Reliable 80 PLUS Bronze Efficiency
The P450B is certified with 80 PLUS Bronze, ensuring efficient power conversion and stable output under normal workloads. Better efficiency means lower electricity consumption, reduced heat, and quieter system operation compared to standard power supplies. This makes it a practical choice for users seeking reliable long-term performance.
Stable Single +12V Rail Performance
A single +12V rail provides consistent power delivery to modern CPUs and graphics cards. This design improves compatibility with current PC hardware while maintaining stable voltage under varying workloads. Whether you're building an office PC or an entry-level gaming system, the P450B offers dependable performance.
Quiet Cooling with Hydraulic Bearing Fan
The integrated 120mm Hydraulic Bearing (HYB) fan automatically adjusts its speed according to system load. This helps maintain efficient cooling while minimizing fan noise. Hydraulic bearing technology also offers longer operational life compared to conventional sleeve-bearing fans.
Comprehensive Protection for System Safety
Gigabyte equips the P450B with multiple built-in safety protections to safeguard your PC components against electrical faults. These include:
-
Over Voltage Protection (OVP)
-
Over Power Protection (OPP)
-
Short Circuit Protection (SCP)
-
Under Voltage Protection (UVP)
-
Over Current Protection (OCP)
-
Over Temperature Protection (OTP)
These protection mechanisms help improve system reliability during daily operation.
Connectivity and Compatibility
The Gigabyte P450B provides the connectors required for most mainstream desktop builds, including:
-
1 × 20+4 Pin ATX Motherboard Connector
-
1 × 4+4 Pin CPU/EPS Connector
-
2 × 6+2 Pin PCIe Connectors
-
6 × SATA Connectors
-
3 × Molex Connectors
-
1 × Floppy Connector
Its ATX form factor supports a wide range of desktop PC cases.
Key Features
-
450W continuous output power
-
80 PLUS Bronze certified efficiency
-
Active PFC design
-
120mm Silent Hydraulic Bearing fan
-
Single +12V rail
-
Reliable flat cables
-
Multiple hardware protection circuits
-
ATX 12V v2.31 compatible
-
3-Year Manufacturer Warranty (region dependent)
FAQ (Frequently Asked Questions)
1. Is the Gigabyte P450B suitable for gaming PCs?
Yes. It is suitable for entry-level and mid-range gaming PCs whose total power requirements are within its 450W capacity.
2. Is the Gigabyte P450B modular?
No. It is a non-modular power supply with fixed flat cables.
3. What efficiency certification does this PSU have?
It carries an 80 PLUS Bronze certification with up to approximately 85% efficiency at typical load.
4. Does it include PCIe connectors for graphics cards?
Yes. It provides two 6+2 Pin PCIe connectors.
5. What cooling fan is used?
It uses a 120mm Silent Hydraulic Bearing (HYB) Fan with automatic speed control.
6. What protection features are included?
It includes OVP, OPP, SCP, UVP, OCP, and OTP protections.
7. Is Active PFC supported?
Yes. The P450B features Active Power Factor Correction (Active PFC).
8. What warranty does Gigabyte provide?
Gigabyte provides a 3-year warranty, though regional terms may vary.