Single Bulk Pack - 4TB Desktop SATA 6Gb/s NCQ 8GB MLC 3.5" Internal Hard SSHD. 5900 RPM 64MB Cache. Why should a high-performance PC be slower than your tablet or smart phone" It shouldn't. Seagate SSHDs give you the instant-on response of solid state memory and the extremely large capacity of a hard drive. You get both the kick and the capacity that lets you consume create and store at amazing speeds.