Fast start up, loading and file transfers More reliable and durable than a hard drive Multiple capacities with space for applications or a hard drive replacement Label on the item can vary Kingston A400 solid-state drive dramatically improves the responsiveness of your existing system with incredible Boot, loading and transfer times compared to mechanical hard drives. Powered by a latest Gen controller for read and write speeds up to 500MB/s and 450MB/s 1, This SSD is 10x faster than a traditional hard drive 1 for higher performance, ultra-responsive multi-tasking and an overall faster system. Also more reliable and durable than a hard drive, A400 is built with flash memory. There are no moving parts, making it less likely to fail than a mechanical hard drive. I model : ADATA XPG SX6000 Lite 512GB PCIe 3D NAND PCIe Internal Solid State Drive tag : Internal SSD