Heavy duty full metal construction with commercially designed for Medical & Military systems, Media servers, and IPCs, approved & used by Tier 1 companies;Perfect for rugged applications and complies to flammability requirements;Fits 8 x 7mm 2.5 SATA hard drives or SSD's in a single 5.25 bay for high performance RAID applications;Dual 40mm fans keep your drives from overheating;Requires only 2 x 15pin power connectors to power all 8 bays