Introducing the FlexCage MB973SP-1B, a 3-in-2 Tray-less SATA Backplane Cage, designed to maximize space use by allowing up to 3 x 3.5" SATA III hard drives, while only consuming two 5.25" device bays. It is also commercially built product in the FlexCage series for use in server environments, such as towers or rackmounts...