The Rancilio Silvia espresso machine uses a vibratory pump, saturated group head. This machine runs on its own internal reservoir. A solid track record and simple, easy-to-use features is what the Rancilio Silvia offers. Despite the Silvia's lack of flair and unassuming nature, the Silvia has proven itself to be one of the most reliable machines ever built. This machine is popular amongst home baristas as well as technicians because of its extended use. It's no secret that Rancilio Silvia espresso machines have been a staple in the espresso enthusiast community since the late 90s, allowing users to make café-quality espresso right at home. The single boiler Rancilio Silvia provides the classic entry-level espresso experience. Those who want to take a simple morning shot, and perhaps a second in the afternoon, will find it to be a very budget-friendly option.