The WD Red product series is specifically developed for use in NAS servers for home use and small companies. If you have a NAS at home or in the office to store your data, you can expand this storage with a disk by WD Red. These sturdy hard drives use NASware technology. This advanced firmware makes WD Red very suitable for 24/7 use in RAID setups. This way, you have a lot of storage space and your saved files load faster from your NAS.