DiskStation DS218+

CPU Intel Celeron J3355
Hardware encryption engine (AES-NI)
Hardware transcoding engine Supported codec: H.264 (AVC), H.265 (HEVC),
MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160);
maximum frame rate per second (FPS): 30
System Memory: 2 GB DDR3L
Memory Expandable up to 6 GB (2 GB + 4 GB)
Storage Drive Bays : 2 
Hot swappable drive Ye s
External ports USB 3.0 ports x 3; RJ-45 1GbE LAN Port x 1; eSATA Port x1
Size (HxWxD) 165 mm x 108 mm x 232.2 mm
Weight 1.30 kg
RAID Migration Basic to RAID 1