Hot Swap up to three 3.5in SAS or SATA hard drives in and out of this removable backplane; features 3-in-2 design, that requires only two 5.25in drive bays. The SATSASBAY3BK SAS/SATA Backplane offers an easy-to-use and cost-effective SATA hot swap solution and features a sturdy and compact 3-in-2 design that lets you install up to three 2.5"/3.5" SATA or SAS hard drives into only two 5.25in bays.With support for SATA/SAS HDD the mobile rack/backplane is fully compatible with RAID installations to ensure maximum performance and versatility for enhanced storage applications.To maximize performance and utilize the full speed potential of your SATA III hard drives, this HDD Backplane supports SATA III for transfer speeds up to 6 Gbps when paired with a compatible controller.The SATSASBAY3BK is backed by a StarTech.com 2-year warranty and free lifetime technical support.