7mm z-height form factor enables thin chassis design for all segments of laptop computing.
Seagate Smart Align technology provides a transition to 4K sectors without the need for software utilities.
Features 16 MB Cache and 7200 rpm on a 2.5-Inch form factor

High capacity storage in a compact desktop design
Versatile orientation that fits your space in your home or office
Preloaded easy-to-use backup software

WD Black high performance 3.5-inch SATA hard drives combine 7200 RPM spin speed, 64 MB cache, and SATA 6 Gb/s interface for the ultimate in power computing.
High performance electronics architecture features dual processors and bigger, faster caches for maximum read and write speeds.
StableTrac – The motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking, during read and write operations.