1; Your computer motherboard must be a server motherboard, It must support SAS, if not, please do not buy. You can see the second picture. 2；Your SAS hard disk drive must support the SATA interface, you can see the third picture. 3; It can be used for SAS hard drives for SAS motherboards, but it is not possible to use home motherboards for SAS hard drives,It has no chip conversion function.