Seagate has recently re-branded their consumer storage products, formerly named Barracuda, in time for the launch of their 15th-generation. The 4TB Seagate Desktop HDD (OEM model ST4000DM000, retail kit STBD4000400) features a SATA 6Gb/s interface with Native Command Queueing (NCQ). Eight data heads read and write to four 1GB disc platters which enable 625Gb/in2 areal density. Cached by 64MB DRAM, this 5900 RPM hard disk drive is specified to move files at 180 MB/s sustained data rate. In this article, Benchmark Reviews tests performance and explores new features on the 4TB Seagate Desktop HDD.