Lenovo 4 TB Hard Drive - 3.5in Internal - Near Line SAS (NL-SAS) (12Gb/s SAS) - 7200rpm - Hot Swappable

3.5in form factor for your convenience and simplicity of usage Provides fast and dependable access to data and has non-volatile memory With 4 TB capacity you have ample space for storing millions of images, hundreds of hours of video or for music lovers, up to a million songs 12Gb/s SAS interface for high speed and reliability Offers larger storage base capacity with maximum efficiency