I noticed it has DVA to reduce sound from the drive.
http://www.computingreview.com/PRD_143979_1772crx.aspx
The lighting quick SM-352 gives high-end computer users the ability to record MP3 files onto CDs, watch DVD movies or play CD and DVD video games. It supports recording and editing of high-capacity photo, video, and music data, and offers compatibility with existing popular CD and DVD media formats. The SM-352 features a high-capacity 8MB buffer that ensures any CD and DVD-ROM reads smoothly and uses advanced technology to prevent Buffer Under Run Error. The feature-rich SM-352 also incorporates Samsung’s Dynamic Vibration Absorbers (DVA) to reduce the vibration and noise emitted from the drive. The SM-352 comes in a standard half-height form factor and can be mounted either horizontally or vertically, giving consumers further options for more efficient use of space in their PC. Additionally, the SM-352’s soft MPEG decoder plays DVD-Video without the need for an MPEG decoder board.
