not sure, perhaps(cookies?) you are seeing a different chassis type, the one I ment to link to is "4U, 15 Bays & 8 Fans" it comes with three 3u(5.25) internal d

not sure, perhaps(cookies?) you are seeing a different chassis type, the one I ment to link to is "4U, 15 Bays & 8 Fans" it comes with three 3u(5.25) internal drive bays(5 drives each). honestly they suck, pull them to get access to the 5.15 bays.