The flexiDOCK MB014SP-B is the All-new Quad Bay 2.5" SATA/SAS HDD/SSD Trayless Enclosure with an improved drive ejection process and redesigned power buttons. This enclosure simplifies the process of managing drives by bringing the drives to the frontal 5.25" optical drive bay of the computer system. Using absolutely no drive trays allows inserting and removing bare drives a more efficient process especially for media and data management professionals or those who require frequent drive swaps. This item cannot be shipped to APO/FPO addresses. Please accept our apologies.