western Digital is a big name in the hard drive space. Though there are inevitably some duds here and there with WD hard drives, the Black series has been the favorite for many over the years, with their boosted performance and reliability. For this particular review, we’ll be taking a close look at the WD Black, specifically the 3.5-inch 4TB hard drive with 256MB cache. There are many other formats, sizes, and variations out there in the Black series, but all these SATA-based drives will deliver roughly the same results thanks to their shared interface. Since hard drives are typically tucked away inside a computer for the extent of their lifetime, it’s no surprise that the overall design is utilitarian. Encased in a tough metal box, the WD Black features a sticker with some branding on the top, and the SATA 3 interface/plug at the bottom. These particular internal hard disk drives come in both 2.5-inch and 3.5-inch variations, so your specific needs will determine which is best for yo...