The Tandberg StorageLibrary T40+ Series is a professional backup and data protection solution, providing maximum performance and scalable capacities. The Tandberg StorageLibrary T40+ incorporates the new Pass-Thru feature, allowing you to add additional drives and storage capacity as and when you need it. The Pass-Thru feature will allow for multiple T40+ units to be stacked together in a 19" rack configuration. The T40+ base unit is available with either 24 or 40 slots and the Capacity on Demand (COD) feature allows you to electronically upgrade the number of slots from 24 to 40. The base unit can be installed with up to 4 half height LTO drives or 2 full height LTO drives and supports LVD SCSI, Native Fibre Channel and SAS connectivity.