Looking for an easy way to add security and flexibility to your workstation or server? StarTech.com has the solution: the SATATRAYBK. Looking for an easy way to add security and flexibility to your workstation or server? StarTech.com has the solution: the SATATRAYBK. The perfect accessory for our SATABAY3BK and SATABAY4BK line of Serial ATA (SATA) backplanes, this is a perfect solution for having additional SATA hard drives on hand to swap into your system for backup and RAID applications. Built to the same demanding specifications as our other storage products, you can rest assured that the SATATRAYBK is designed for excellent compatibility and reliability. (This product is black, and is intended for BK SATABAY products.)