This Qnap TS-453d-4G NAS has recently been upgraded to 8GB RAM and comes with a Seagate 5TB HDD. It has a standalone form factor and uses iSCSI and Ethernet (RJ-45) interfaces for network connectivity. The NAS also features USB 3.0 for high-speed data transfer. This modular SAN array is perfect for enterprise networking and servers. The network type is iSCSI and it is compatible with computers, tablets, and networking devices. The Qnap brand is reliable and well-known in the industry. Use this network storage disk array for all your data storage needs.