Seagate IronWolf NAS 3.5” 6TB Internal HDD Key Features 6TB NAS Internal HDD 5400 rpm Rotation Speed Compatible with Mac & Windows SATA 3.0 Interface 3-Year Limited Warranty Overview The 6TB Seagate IronWolf is a high-quality HDD built for NAS storage that delivers incredible performance thanks to its easy to use 3.5-inch form factor that is just 26.1mm in height and runs at 5400 rpm. The IronWolf\'s technical highlight is its 6Gb/s interface, which is the latest SATA III standard. This drive has a storage capacity of 6TB with a 256MB Cache. Specifications Disk Type HDD NAS External? No Capacity 6TB Rotation Speed 5400 rpm Cache 256MB Transfer Rate up to 6Gb/s Interface SATA 3.0 Compatibility MAC, Windows Dimensions 147 x 102 x 26 mm