Non modular, 650w true rated. For full specification, Google is ur friend. :) Incorporating various high-quality components, the new Litepower Series – rated from 350W to 650W – saves energy through its high efficiency up to 85% and accommodates any build with the most demanding requirements. An embedded intelligent cooling fan delivers excellent airflow at an exceptionally low noise level. In addition, the single +12V rail design enables non-stop usage with stable and reliable performance.