The WD Gaming Drive is barely larger than your palm, super lightweight, and significantly more space-saving than 100 gaming discs. This means you can take it to your friends' houses and play on their PlayStation 4 consoles just like at home. Since the games are already stored on your WD Gaming Drive, you don't have to download or install them again. This saves you a lot of time. All you need is an internet connection and your PSN access.