The HSB3SATSASBA Removable 3-drive backplane lets you quickly install and hot-swap 3.5″ drives from the front of your computer, by turning two 5.25″ bays into a hot-swappable interface for you to connect up to three 3.5” SATA or SAS hard drives (HDD). For added versatility, the hard drive bay can interface with SATA I/II/III and SAS I/II hard drives — an ideal accommodation for enterprise system applications. For a quick and secure method of installing and removing drives, the backplane features ejection levers and a key-lock design. To help prevent drive failure, the bay provides excellent heat dissipation with a built-in fan, and a vented solid aluminum enclosure. The HSB3SATSASBA is backed by a StarTech.com 2-year warranty and free lifetime technical support. The StarTech.com Advantage – Delivers peak drive performance, with support for full SATA III/SAS II data transfer speeds up to 6Gbps – Flexible drive options with support for both SATA and SAS drive interfaces – Helps maintain ideal drive operating temperatures by providing excellent heat dissipation, vented aluminum housing and a built-in fan