As various components become more advanced, they also require more power to operate. According to Western Digital, the average 1 TB hard drive has a power consumption rating greater than 13.5 watts. Western Digital's new GreenPower drive, which we will be looking at here today, claims to shave 4-5 watts over typical drives in the same category. Any power saving is a welcomed addition, but will the drive's performance be hampered to accomplish this?