Features: RAID1 Disk Array: Supports RAID1 ensuring data backup and redundancy, improving data reliability and security. Transmission speed up to 6Gbps, providing fast and stable data transmission experience. SSD adapter: can be used to expand SSD, improve storage and speed up data reading and writing. Two Port: with two interfaces, it supports connecting two hard drive or Solid disks to realize the disk array function. Stable: Stable RAID1 data mirroring technology prevents data loss and ensures data security. Specifications: Package Size:About 22x15cm/8.66x5.9in Chip:ASM1061R Type：Small PCIE 2Port Expansion Card Support：RAID1/RAID0 Support：6Gbps Package Includes: 1PC PCIExpress Card 1PC Cable 1PC Half-height to Full-height Bracket note: Due to the problemsof lighting effects and shootingangles, there will be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.