Brand new Hard Disk Drive Coolers with twins Fans. Hard Drive Coolers can cooling and let your Hard Disk date more safe.Computer 3.5" Hard Drive Coolers 2 Fans Exhaust- Cool Blue are designed to reduce hard drive temperature * Hard Drive Coolers could help you extends your hard disk drive life and reliability * Hard Disk Drive Coolers fits 3 1/2" Hard Drives and are easy for Installation * Voltage : 12V DC;Dimension : 130x103X16mm(LxWxH) * Hard Disk Drive Coolers fits 3.5" Hard Drives and are easy for Installation