External


The BETA 2 carries MONTECH’s distinctive triangular ventilation pattern, a design element also seen on the MONTECH CENTURY II 850W PSU. This geometric grille spans the top panel, giving the unit a recognisable identity while promoting airflow. The same angular motif extends to the side panel, maintaining a cohesive and consistent aesthetic across the PSU’s enclosure.


The specification label is positioned on the top surface, clearly outlining the voltage rails, output ratings, regulatory certifications, and serial number. Placement here ensures visibility when installed in most modern cases with bottom-mounted PSU layouts.


At the rear, the triangular cut-out pattern continues around the exhaust area. The rear remains conventional, with a standard IEC power input and power switch.

Internal


The MONTECH BETA 2 850W is equipped with a BaoDiKai (BDK) BDH12025S model 120mm 12V cooling fan rated at 0.3A, capable of reaching up to 2000 RPM. It delivers up to 91.25 CFM of airflow with a maximum noise level of 37.3 dBA, using a sleeve and ball bearing configuration for balanced cooling performance.


Despite on the more affordable side, the BETA 2 is equipped with aluminium heatsinks to help with heat dissipation.


The MONTECH BETA 2 850W utilises a Japanese primary capacitor — specifically a Toshin Kogyo LW Series 105°C 420V 680µF aluminium electrolytic unit. While Toshin Kogyo is not as widely recognised among enthusiasts as premium-tier names such as Rubycon, Nippon Chemi-Con, or Nichicon, the brand maintains a solid reputation within the industry for producing reliable, high-temperature components suitable for power supply applications.

For a value-oriented Bronze PSU, the inclusion of a Toshin Kogyo primary capacitor is a solid choice. Its 105°C rating ensures improved durability under sustained thermal load, and while it may not have the same recognition as top-tier Japanese brands, it remains a dependable component that suits the BETA 2’s price positioning well.