Faspeed 250G SSD 2.5 Inch SATA 3 (SATA III) Internal Solid State Drive for NAS Laptop Desktop PCs Verified sequencial read/write speed 530/390MB/s Light but endurable (45 gram or 1.6 ounce), alumilum alloy shell with black premium surface treatment 100% high temperature tested before outgoing. Data retention up to 80 centigrade Efficient Power Management Warranty 3 Years, anti-counterfeiting check from www.valuegist.com