No external Power Required.Easy to install.Optical drive not included.System requirement: Equivalent Pentium 266MHz or higher, Celeron 266MHz or higher, AMD K6-2 266MHz or higher 64MB RAM or higher. Windows 98/ SE/ ME/ XP/ 2000. 1 x Slim Optical Device External Caddy Case 1 x USB 2.0 data cable 1 x USB 2.0 extra power cable Manual