This is a G-Raid 2 8TB (part number SDPH62H-008T-D-DK), which has had its two 4TB HDDs swapped out for two Western Digital HC510 10TB SATA HDDs. This also doubles as a Thunderbolt dock, and you can connect a monitor to this via the HDMI port, and it also has Thunderbolt daisy chaining support, as well as a USB 3.0 Type-C port. AC adapter is included, no other accessories are included.