Next-Gen Ready
BETA 2 is fully compliant with the latest ATX 3.1 standard, ensuring safer and more reliable power delivery for modern platforms.
BETA 2 650W
New Evolution of Bronze
MONTECH BETA 2 leads the evolution of essential power supplies, bringing modern standards, refined design, and long-term reliability to the 80 PLUS Bronze segment. Built on the ATX 3.1 standard and with PCIe 5.1 support available on the 850W model, BETA 2 is designed to power today and tomorrow’s systems with greater stability, efficiency, and confidence.
80 PLUS Bronze Efficiency
Certified with 80 PLUS Bronze efficiency, BETA 2 delivers optimized power conversion with reduced energy loss. The improved internal design helps maintain consistent efficiency across typical usage scenarios, balancing performance and value.
Enhanced Power Architecture
BETA 2 adopts DC-to-DC technology to deliver tighter voltage regulation and reduced fluctuation under load. This design improves overall system stability and helps protect sensitive components during power transitions.
High Quality Components
At the heart of BETA 2 is an industrial-grade Japanese main capacitor rated for 105°C/221°F operation. Built to withstand high temperatures and long-term stress, it enhances durability and reduces the risk of instability over time.
Upgraded Cooling
BETA 2 features an upgraded HDB cooling fan, delivering quieter operation and improved longevity compared to traditional sleeve-bearing designs. Optimized airflow supports stable performance even during extended workloads.
Refined Aesthetics & Premium Cabling
The MONTECH signature chassis design supports efficient airflow, while upgraded embossed cables deliver a cleaner, more premium look and a more refined overall build presentation.
Comprehensive Protection & Extended 5-Year Warranty
BETA 2 is built with comprehensive power protections including OPP, OVP, UVP, SCP, OCP, OTP to ensure stable operation for your system. Backed by an extended 5-year warranty, it reflects MONTECH’s confidence in long-term reliability and commitment to dependable performance you can trust.
“Warranty service doesn’t extend to the use of the power supply for cryptocurrency mining.”
SPECIFICATIONS
| Model Name | BETA 2 650W | |
| Wattage | 650 | |
| Form Factor | ATX (140) | |
| 80 PLUS Efficiency | Bronze | |
| Input | Full Range | |
| Dimensions (L*W*H) | 140*150*86mm | |
| Fan | Size | 120mm |
| Bearing | HDB | |
| perating 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 | 4710562743203 | |
| Warranty | 5 Years | |
| AC Input | 100-240Vac 50-60Hz 12A Max | ||||
| DC Output | +3.3V | +5V | +12V | -12V | +5VSB |
| Max. Output Current | 13A | 13A | 54.1A | 0.3A | 3.0A |
| Max. Output Power | 80W | 649.2W | 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 | 2 (4+4 Pins) | |
| PCIe | 1 | 2 (6+2 Pins) | |
| SATA | 1 | 4 | |
| Molex | 1 | 4 |