Features: Adopting PCIE X4 port, with fast transmission speed; Support SSD array and expandable storage capacity; 4port hard drive support, suitable for high-capacity storage; High reliability, support RAID0/1/100 modes.Configurable key management function to protect data security. Suitable for users who need to expand storage capacity,who need to improve data transmission speed and need to perform data backup and recovery. Suitable for customers who require data security and reliability, such as enterprises data backup, recovery, and disaster recovery. Specifications: Material:PCB Size:Approx.79.2x64mm/3.11x2.51in Support RAID0/1/100 Modes Marvell9236 Chip; PCIE to 4port SATA6G Raid Card, Model:IOPCE9236 4IR Interface:PCIE,SATA3.0 Package Includes: 1xPCIE X4 SSD Raid Card note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.