Power supply, 190W Power supply, 190W As data protection and high availability have become increasingly important, customers are demanding solid, uninterrupted performance. Continuous development and enhancement of high-performance software applications and operating systems is driving the need for continued reliability. Compaq Proliant customers can be assured that all of their hardware needs will be met, the above issues will be addressed, and they will have components manufactured to the highest quality standards and subjected to the most rigorous testing procedures. Compaq manufactured Power Supplies are no exception.