This product is either discontinued or we cannot get that from suppliers.
Port RJ-45 4 x 10/100/1000M, Port USB 3 x USB3.0, Port eSATA 2 x eSATA, Form Factor 4-Bay, Intel Atom C3538 64-bit Quad Core 2.1 GHz, 4GB DDR4, Humidity 5-95% R.H, Operating Temperature: 0 ~ 40 degree Celsius (32 ~ 104 degree Fahrenheit), Storage Temperature: -20 ~ 60 degree Celsius (-5 ~ 140 degree Fahrenheit).
Synology’s Surveillance Station app has consistently been a favorite of ours as it is capable of turning any of its appliances into a professional IP camera monitoring and recording system.