1. and high quality. It is convenient to use. 2. Portable design, light weight. Safely connect it to your 2.5/3.5Inch sas hdd devices. 3. Input Interface: 22PIN (7+15PIN); Output Interface:SAS 29PIN 4. Speed:6Gbps, Support System:WIN7,WIN10,WIN11, Linux OS 5. Kind Tips: Only support 2.5/3.5Inch SAS HDD SSD, NOT Support U.2 SSD. If the disk is not recognized, try another interface. Installation steps: 1. Turn off the computer and disconnect the power cord. 2. Open the computer case and find the 7PIN slot and SATA15PIN power cable that can be used. 3. Gently insert the adapter card into the SAS hard drive and make sure it is firmly fixed in the hard drive position of the chassis. 4. Insert the cable and the hard drive power cable into the adapter card, and insert the other end of the data cable into the motherboard port. 5. Re-close the computer case and reconnect the 220V power cord. 6. the computer and check whether the newly added device is successfully recognized in the . Notes: 1: In some cases, it may be necessary to update the motherboard driver or BI0S to properly recognize the newly added hardware device. 2: SAS hard disk sectors are: 512/520/528, only 512 sectors are supported, 520/528 sectors cannot be used 3: SAS hard disks are used on servers, and many security protection detection and encryption mechanisms are added. Boot recognition be 10-20S slower than ordinary , which is a normal phenomenon. Those who mind should be careful when purchasing. Note:The hard drive in the picture is not included. Colour:Black Material:PCB+Plastic Package Contents: 1 * to SAS HDD Expansion Card 1 * cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.