It is an internal drive that is based on 512 kb buffer and 2.43 lbs duplexer weight. It has vibration with the shock tolerance. The compatible Windows OS versions are 98, 2000 and XP. The CD formats supported by this DVD ROM are Video CD, CD Text, CD Extra, CD-DA, Photo-CD, CD-ROM XA, CD-ROM, CD-I and CD. Multi-session, Session-at-once, disk-at-once, track-at-once and packet writing are the recording modes supported by this driver. It is recommended to scan your whole PC before installation of Sony dvd-rom ddu1615 driver. You can download Sony DVD-ROM ddu1615 driver from here with the latest version.