ARCTIC HC01-TC The ARCTIC HC 01-TC is a hard drive cooler for 3.5” hard drives. The 5¼” case incorporates the drive and isolates it with absorption foam, so that no noise is transferred from the drive to the case. A temperature controlled 40mm fan helps to cool the drive. Fan (mm) 40 Dimensions (Product) 186 H x 145 W x 43 H mm Dimensions (Packaging) 200 L x 155 W x 45 H mm Limited Warranty 6 years Material Steel Rated Fan Speed 1600 - 4600 RPM, (Temperature Controlled Fan) Application 5.25 Compatibility 3.5 itemnumber PCACO-HC00100-GB UPC 0872767003484 Gross Weight 0.58 kg