If you are looking for lots of storage, that is fast and affordable, this video storage system is what you want. This 4 bay removable eSATA USB 2.0 system comes pre-configured with four 1TB drives which is great for all compressed formats - SD or HD. Each drive has been designed for easy swapping out of old drives with new drives. Each enclosure has a safety mechanism that locks to secure the drives into place. Equipped with RAID 5 protection, the FX4 will ensure your work will be safely archived into the drives. With editing speeds of 211MB/Sec using eSata, transferring data will be hassle free.