Ready for What’s Next
Fully compliant with ATX 3.1, GAMMA 3 delivers stable and reliable power for modern systems. With native PCIe 5.1 support, it’s ready for next-generation GPUs without adapters.
GAMMA 3 650W
Efficient Power, Engineered for Reliability
GAMMA 3 redefines essential power delivery with elevated efficiency, modern standards, and refined engineering. Built with ATX 3.1 compliance, PCIe 5.1 readiness, and 80 PLUS Gold certification, GAMMA 3 delivers stable, efficient, and future-ready power for today’s performance systems.
80 PLUS Gold Efficiency
Certified with 80 PLUS Gold efficiency, GAMMA 3 achieves average 91.9% efficiency, reducing energy loss and delivering enhanced power performance compared to previous generation.
Stable Power You Can Trust
GAMMA 3 adopts advanced DC-to-DC technology to deliver precise voltage regulation with minimal fluctuation. This architecture improves system stability and protects critical components during load transitions, ensuring consistent performance under demanding conditions.
Quality Built from Within
GAMMA 3 features an industrial-grade Japanese main capacitor and high-performance primary circuits. Premium components enhance durability, reduce the risk of instability, and ensure long-term reliability even under sustained workloads.
Cooling, Redefined by Design
GAMMA 3 features an upgraded cooling system with a larger 135mm fan and improved ventilation for better airflow. This improvement optimizes thermal performance and ensures stable operation during sustained computer operation.
Style Meets Functionality
The signature MONTECH triangle-pattern chassis design delivers both distinctive aesthetics and optimized airflow. Upgraded embossed cables provide enhanced flexibility, superior durability and a more premium feel, contributing to a cleaner and more refined build experience.
Ample Connectivity for Every Build
Ample connector configuration supports both everyday use and future upgrades with ease, eliminating concerns about connectivity needs.
Total Protection. Proven Reliability.
GAMMA 3 is equipped with a full suite of protection mechanisms including OPP, OVP, UVP, SCP, OCP, and OTP, ensuring complete system safety under all operating conditions.
Backed by a 5-year warranty, GAMMA 3 reflects MONTECH’s commitment to long-term reliability and dependable performance.
“Warranty service doesn’t extend to the use of the power supply for cryptocurrency mining.”
SPECIFICATIONS
| Model Name | GAMMA 3 650W | |
| Wattage | 650 | |
| Form Factor | ATX (140) | |
| 80 PLUS Efficiency | Gold | |
| Input | Full Range | |
| Dimensions (L*W*H) | 140*150*86mm | |
| Fan | Size | 135mm |
| Bearing | Sleeve Bearing | |
| Operating Temperature | 0-40°C | |
| Protections | OPP / OVP / UVP / SCP / OCP / OTP | |
| Certification | BSMI / CB / CE / EAC / FCC&ICES / KC / KCC / RCM / RoHS / cTUVus / TUV / UKCA | |
| EAN | 4710562748963 | |
| Warranty | 5 Years | |
| AC Input | 100-240Vac 47-63Hz 10A Max | ||||
| DC Output | +3.3V | +5V | +12V | -12V | +5VSB |
| Max. Output Current | 20A | 20A | 54A | 0.3A | 3.0A |
| Max. Output Power | 120W | 648W | 3.6W | 15W | |
| Total Power | 650W | ||||
| Cables | Cable Type | Number of Cable (s) | Connector (s) per Cable |
| Motherboard | 1 | 1 (20+4 Pins) | |
| CPU | 1 | 1 (8 Pins)+1 (4+4 Pins) | |
| PCIe | 1 | 2 (6+2 Pins) | |
| 12V-2x6 | 1 | 1 (16 Pins to 16 Pins) | |
| SATA | 1 | 3 | |
| SATA & Molex | 1 | 2+2 |