DS218+

2-bay DiskStation, Dual Core 2.0 GHz , 2GB RAM (up to 6GB)
•  CPU:  Intel J3355 Dual Core 2.0 burst up to 2.5 GHz
•  Memory: 2 GB DDR3L
•  Internal HDD/SSD:  3.5" SATA HDD or 2.5" SATA HDD,  or 2.5" SATA SSD
•  Max Internal Capacity: 24 TB (12 TB drive x 2)
•  External Ports: USB 3.0 x 3, eSATA Port x 1, USBCopy
•  LAN: RJ-45 1GbE LAN Port x 1
•  Maximum IP cam: 25