The Synology DS220+ is designed to make network attached storage simple and easy to use. It offers lightning-fast transfer speeds and reliable storage for all your files. Whether you are a professional or a casual user, this product is perfect for you. This device was used briefly but was upgraded, will be perfect for home file storage. Comes with 2 4tb drives, can be configured for RAID 1 or RAID 2, as well as JBOD