The ThinkStation 256 GB OPAL 2.5" SSD option is light and thin and provides fast and reliable performance utilising MLC NAND flash-based technology as well as a SATA 6.0 Gbps interface. This drive has an improved boot time and a better data transfer rate when compared to HDDs. The SSD speeds make day-to-day tasks speedier when leveraging the SSD capacity for cache and boot-up while enabling you to maximise your hard-drive capacity for storage.