WD Black2 Dual Drive 2.5" 120 GB SSD + 1 TB HDD Kit (WD1001X06XDTL) (Old Model) Revolutionary dual drive with 120 GB SSD and 1 TB HDD World&#39;s first 2.5-inch dual drive storage solution Fully accessible SSD for the operating system, generous capacity hard drive for personal data and large files Dual drives extend the life of MLC NAND and maintain optimum SSD performance You control where your data resides with no need for large cloud storage or expensive third party storage plans Industry-leading 5-year limited warranty Built for laptops, all-in-one PCs, gaming PCs, mobile workstations, small form factor PCs, high-performance laptops WD Black2 Dual Drive ships as a full kit with a web key, quick install guide, USB to SATA transfer cable, warranty card. Software download and internet connection are required for installation.