Synology 4-Bay Rackmount NAS RackStation RS422+ (Diskless),Black

Over 601/516 MB/s sequential read/write throughput supports stable data transfers, Space-saving design with a depth of just 327.5 mm when server handles are installed, Dual 1GbE ports support network failover and load balancing, Plug-and-play network upgrade modules make it easy to add 10GbE RJ-45 ports