Maximize your workspace with the Dell™ E-Port Plus Replicator. This E-Port Plus Replicator gives you a comfortable work space where you can plug a keyboard, mouse and monitor to the port replicators and use your laptop like a desktop! Simplified connectivity facilitates a single interface to connect to your printer, monitor or other peripheral devices. It also gives you ease of mobility wherein you need not unplug and re-plug multiple peripherals to access your printer or other devices. This product is tested and validated with Dell Systems. It is supported by Dell Technical Support, when used with a Dell system.USB 3.0- Adds new faster USB 3.0 technology enabled by Intel in Ivy Bridge- Replace the 2 USB 2.0 connectors on the back with USB 3.0- Platform must support USB 3.0 for it to be enabled on dock (otherwise port will support 2.0)Display Port 1.2- Adds the ability to daisy chain displays (4 displays via 1 connector)- Only enabled with discrete graphics on current generation of Latitude laptopsNo BOIS/SW/HW impact on previous Latitude E-series laptops.This product is compatible with the following systems:- Latitude 2120- Latitude E5420- Latitude E5430- Latitude E5440- Latitude E5520- Latitude E5530- Latitude E5540- Latitude E6230- Latitude E6320- Latitude E6330- Latitude E6420- Latitude E6420 XFR- Latitude E6430- Latitude E6430 ATG- Latitude E6430s- Latitude E6440- Latitude E6520- Latitude E6530- Latitude E6540- Latitude ST- Latitude XT3.