The ThinkPad Advanced Dock offers full connectivity and desktop expansion for users of next generation ThinkPad systems. Ideal for notebook users who use high-end graphics or multiple monitors, work with digital media, or require a second optical or hard drive. Features & Benefits: Left corner alignment for easy system attachment Step-by-step LEDs and convenient buttons for easy system ejection Ultrabay Enhanced for device expansion - Supports Ultrabay Enhanced DVD, CD-RW/DVD-ROM Combo, and Multi-Burner drives. Can also house a second ThinkPad hard drive One full-height and half-length or low profile PCI Express Card* 6-in-1 media card reader - Supports six digital media types, including xD, SD, Compact Flash, MultiMedia Card, SmartMedia, and Memory Stick Standard device ports - 5 USB 2.0 ports, 1 PS/2 port for keyboard or mouse, serial, and parallel Audio/video ports - Microphone in, headphone out, S/PDIF (digital audio), DVI-D, VGA Communication ports - Gigabit Ethernet (RJ-45) and modem (RJ-11) Integrated key lock and optional cable lock slot to secure your ThinkPad notebook and your ThinkPad Advanced Dock Integrated power supply - Recharges the ThinkPad system battery while fueling all functions of the ThinkPad Advanced Dock Compatible with ThinkPad T60 and Z60 Series notebooks. Does not support earlier ThinkPad models And it's backed by a Warranty by Lenovo with renowned Service and Support available from IBM *Full-height bracket is required for low profile card.