The Icy Dock MB994P-4S-1SB 4-in-1 Hot Swap Backplane Cage can hold up to four 2.5 drives in a single 5.25 drive bay. Unlike the Icy Dock MB994P-4S however, the MB994P-4S-1SB lacks the SAS HDD support, requiring only a single 4-pin Molex for power while adding a toggle switch for the built-in pair of 40mm rear exhaust fans. Built with SECC, the Icy Dock MB994SP-4S-1SB is extremely durable and provides drive protection as well as heat dissipation even in the most strenuous and rugged computing environments.///"
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