SIIG 3.5-Inch to Dual 2.5-Inch Drive Bay Adapter (SC-SA0H12-S1) Adapts standard internal 3.5" drive bays to two 2.5" drive slots for use with 2.5" hard disk drives Great for use with standard 2.5" hard disk drives, SSD drives and any other 2.5" form factor devices Includes all installation hardware for mounting Durable construction - made of high-quality plastic Holds two 2.5" hard disk drives (standard and SSD)