The Matrix Silver 3.5" Hard Drive Disk HDD Cooler with dual cooling fans is a brand new product designed to efficiently cool and protect your hard drive. Made of aluminum and plastic, this HDD cooler features a 4-pin male to female connector for easy installation. With a power connection of 4-pin and a voltage of 12V, and 0.14A, this silver cooler from China offers reliable cooling performance for your computer's hard drive.