Hard Drive Cooler w/2 Fans (Blue) w/4-Pin Connector - Attach to a 3.5" Hard Disk Drive! Dual Fan Hard Disk Drive Cooler General Features: Blue color For 3.5-inch hard disk drives Extend hard drive life and reliability Longer life and lower noise Twin fan high air flow Easy installation Mounts to the bottom of any 3.5-inch hard drive 5000 RPM 10% fan speed 1.44 CFM maximum air flow Sleeve bearing 29 dBA noise level 4-pin Molex pass-through power connector