Features: Supports NVMe2280 SSD only. for Double disk support SSD expansion provides more storage space and faster data transfer speeds. Adopting TypeC port, the theoretical transmission speed is up to 40Gbps, and the measured reading and writing speed is up to 3000+MB/S With 8TB large-capacity expansion, it accommodates all kind of data for work, study and life. Up to 1000MB/s read speeds to better utilise the potential of your computer and enhances your experience.For computer enthusiasts, gamers, photographers, video editors and other users who need high-capacity storage and high-speed transfer. Can be connection to devices such as laptops, desktops for data backup, file transfer, video and auditory entertainment, and many other use. Specifications: Component:Aluminum Size:about 93x66x18.3mm/3.7x2.6x0.7in Supports NVMe 2280 SSD only（Support Double Bay） Theoretical Transmission Speed: up to 40Gbps USB standard： USB3.1 gen2 10Gbps Control Chip:4JHL7440 Read Speed: 1000MB/s； Writing speed is up to 3000+MB/S Capacity: 8TB large Expansion Connection:TypeC Support：DC24V AC220V Support：DP8K 30hz Package Includes: 1PC Double Bay Solid Disk Enclosure note: Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color!