This Qnap 6TB (2x 3TB) TS-212 2-Bay Turbo NAS Kit with WD Red SATA Hard Drives from B&H includes a Qnap TS-212 2-BAY Turbo NAS Hard Drive Enclosure and two Western Digital 3 TB WD Red SATA 3.5" NAS Hard Drives. With this kit you can take advantage of the variety of features provided by the drive enclosure including backup server capabilities, two 3.5" SATA I or II Drive Bays, and a 1.2GHz Marvell CPU and 256MB DDRII RAM. Along with the drive enclosure you benefit from the included 6TB of storage space provided by the two 3TB hard drives. This drive enclosure enables you to store your media and other files in a centralized location on your network. Once stored those files become available to a variety of devices and users throughout the network and the cloud-based remote access. This enclosure is compatible with a variety of systems including Windows, Mac, Linux, and Unix.