The GIGABYTE P650G PG5 (MPN: GP-P650G PG5) is a fully modular, high-efficiency ATX 3.1 power supply designed for modern desktop systems including next-gen graphics support via a native PCIe Gen 5.1 16-pin connector. With 80 PLUS Gold efficiency, a 120 mm hydraulic bearing fan, and comprehensive protection features, it delivers reliable power and quiet operation backed by solid build quality and long-term reliability.

Key Features
Continuous Power: 650W
Efficiency: 80 PLUS Gold (˜90% typical efficiency)
Compliance: ATX 3.1 ready, PCIe Gen 5.1 support
PCIe Support: 1 x PCIe Gen 5.1 16-pin (12VHPWR) delivering up to 300W plus 2 x 6+2-pin PCIe connectors
Rail Design: Single powerful +12V rail
Cooling: 120mm HYB (Hydraulic Bearing) fan with adaptive speed control
Topology: Standard ATX switching design with quality components (Japanese capacitors)
Modularity: Fully modular all-black flat cables
Warranty: Region-dependent (typically 5 years)

Full Technical Specification

Model / MPN:
P650G PG5 (GP-P650G PG5)

Form Factor:
ATX 12V v3.1 (Intel Form Factor)

Power Output:
650W continuous

Efficiency Rating:
80 PLUS Gold (approx. =90% efficiency at typical load)

Input Voltage:
100–240 VAC

Input Frequency:
50–60 Hz

Input Current:
~10–6 A

Power Factor:
Active PFC (>0.9 typical)

Operating Temperature:
Standard operating range (up to ~40°C) — typical for ATX PSU class

MTBF:
100,000 hours

Protections:
OVP, OPP, SCP, UVP, OCP, OTP

Power Good Signal:
100–150 ms

Hold-up Time:
17 ms

Fan:
120mm HYB (Hydraulic Bearing) fan with intelligent speed control

Noise Levels:
Designed for low noise under typical loads

Modularity:
Fully modular all-black flat cables

Cable Length:
Optimised for mid-tower and full-tower systems

Connectors:
1 x 20+4-pin ATX main power
1 x 4+4-pin CPU (EPS)
1 x 16-pin PCIe Gen 5.1 (12VHPWR)
2 x 6+2-pin PCIe
6 x SATA power
3 x 4-pin peripheral (PATA)

Dimensions:
150 x 140 x 86 mm (W x D x H)

Warranty:
5 years