It wasn’t long ago since Western Digital teamed up with Kanguru in marketing a green hard drive for consumers and businesses. Now Western Digital is releasing a 500GB “green” hard drive that uses 30 percent less power than other hard drives.

The Caviar GreenPower 500GB hard drive is a 3.5-inch SATA drive that, according to the makers, only use 6 watts while working and only 3.3 watts while idle. According to them this is equal to a reduction of CO2 emissions by up to 13.8 kilograms per drive, per year.

So what will this new hard drive cost you? Well, each 500GB drive is estimated to cost you around $149.99. If you want to read more about it’s specifications and other features check out Wdc.com for more information.