2.5in SATA Removable HDD Bay for PC SlotThe S25SLOTR Tray less Hard Drive Rack can be installed into an available (full profile) PCI expansion card slot, providing easy access to a bare 2. 5" SATA hard drive or solid state drive (SSD) from the rear panel of a computer case. Unlike conventional hard drive enclosures, the S25SLOTR hard drive rack doesn't require that a drive be installed in a drive tray, saving the time and hassle involved in having to mount or install the hard drive for