HDD vs SSD What is the difference

The seller is bstco and is located in Garner, North Carolina. Tested and inspected to ensure that it is fully functional. Lot of 5 samsung 850 evo v-nand 250gb 2.5 laptop solid state drive mz-75e250 this item can be shipped to united states. This item is in the category Computers/Tablets & Networking\Drives, Storage & Blank Media\Hard Drives (HDD, SSD & NAS)\Internal Hard Disk Drives.