WD Hard Drive Colors Explained: Green, Blue, Purple, Red, Black or Gold – Which Hard Drive Is Best for Security Camera Storage?

WD Hard Drive Colors Explained: Which One Should You Buy? If you’ve ever searched for a hard drive for your CCTV system, you’ve probably seen WD Blue, WD Purple, WD Red, WD Black, WD Gold, and even WD Green. Many buyers assume the colors are just marketing. They aren’t. Each color represents a completely different […]