SilverStone Technology Silverstone 5.25" to Four 2.5" Device Bay SATA/SAS Support FS204B Components Other Fits four 2.5" SAS/SATA 6Gbit/s drives in one 5.25" Device bay Individual metal key lock for Each Drive for extra security All aluminum body with beautiful hairline brushed finish Fully supports SATA Hot-swap function Built-in cooling fan for excellent heat dissipation