This DS411 4TB (4 x 1TB) DiskStation 4-Bay NAS Server B&H Kit provides the necessary storage and streaming for small networks. It includes four 2.5" SATA hard disk drives of 1TB each, supporting a storage capacity of 4TB. In addition, the DiskStation can configure the drives in a RAID 0, 1, 5, 5+Spare, 6, 10 or JBOD configuration and features a scheduled Power On/Off feature for saving energy. The 2.5" SATA hard disk drives help reduce your carbon footprint and prolong the life of drives by producing less vibration. The smart fan design minimizes noise level by turning off during normal operations and spinning at a very low speed only when needed.You can connect to the network with a variety of different devices as well as cross platforms with the included Gigabit LAN port. Use the DiskStation to store and stream photos, videos, music or data within your home, office or over the Internet to select users. Each of the hard drives included in the kit features 1TB of storage along with a 6 Gb/s interface, allowing for fast access to all your data stored within this NAS array.