1. Internal hard drives are an essential component of any computer build. They store all of your important files and data, so it's important to choose one that is both reliable and has enough storage capacity for your needs. Western Digital is a trusted brand when it comes to hard drives, and their WD Blue 4TB internal hard drive is a great option for both home and office use. 2. This hard drive has a spacious 4TB storage capacity, meaning you'll be able to store all of your important files with ease. It has a 5400 RPM rotational speed, which is on the slower side but is still fast enough for most everyday computing needs. This hard drive also comes with free Acronis True Image WD Edition cloning software, which makes it easy to transfer your existing data to your new hard drive. 3. This hard drive is a great option for both home and office use. It's spacious enough to store all of your important files, and the 5400 RPM rotational speed is fast enough for most everyday computing needs. If you're looking for an affordable and reliable internal hard drive, the WD Blue 4TB is a great option.