The 3008-8IR card is a PCIe 3.0 to 2 HD miniSAS (SFF-8643) hard drive expansion card, Supports 8 SAS/SATA hard drives. EXPANDER supports up to 1024 SAS/SATA devices or PCIe Switch supports up to 24 NVMe devices. The theoretical total bandwidth of this card is 64GT/s, and the actual read and write speed is as high as 6400MB/s。 The interface complies with the SFF-9402 standard and requires a high-speed connection line that conforms to the SFF-9402 standard line sequence to function properly Frequently using NVMe devices. Supports RAID: RAID0, 1, 10, 1E, JBOD Main control chip: LSI SAS 3008 Host interface: PCI Express Compatible device types: 8 SAS/SATA3 devices Device interface: 2 * internal SFF-8643 connector 8 internal 12Gb/s SAS+SATA ports Supports SAS 2 and SATA3 with 6Gbps; Supports up to 1024 disks Supports RAID 0, 1, 1E, 10, and JBOD; Compatible with PCI Express 2.0 x8 and PCI Express 2.0 x16 12Gbps transmission rate, compatible with 6.0Gbps, 3.0 Gbps, and 1.5 Gbps transmission rates