Product Overview Introducing the Icy Dock ToughArmor MB994SP-4SB-1 Full Metal Quad Bay 2.5" SATA 6Gbps Hard Drive/SSD Hot Swap Mobile Rack Cage for use in a single external 5.25" bay. The MB994SP-4SB-1 is predicated off the incredibly popular MB994SP-4S, while taking its general concept but,...