This product is a lot of 2 internal solid-state drives (SSDs) in mSATA mini-PCIe form factor, with a storage capacity of 256GB each. The drives are compatible with laptops and PCs, and they come in a green color. They are from mixed brands including Samsung, Hynix, and Toshiba, and they offer a read speed of 1700MB/s and a write speed of 1000 Mbps. The SSDs also feature hot plug support and hot swap capability, and they are covered by a manufacturer warranty of 3 months. Each unit includes a cache of 512 MB and an mSATA interface for efficient data access and transfer.