This is a brand new unit in box, ready to be shipped. Purchased a few years back and never used.
Synology RS820+/RS820RP+ is a 1U rackmount 4-bay network-attachedstorage solution designed for businesses requiring an effective and
centralized data management. It is equipped with a 4-core processor and
2 GB DDR4 memory, expandable up to 18 GB. The PCIe 3.0 slot supports
an optional 10GbE add-in network interface card, or an M2D18 M.2 SSD
adapter card4, where the M.2 NVMe/SATA SSD cache can be used to
boost system random IOPS.
With Link Aggregation enabled in a 10GbE environment, RS820+/
RS820RP+ delivers high sequential throughput at over 1,621 MB/s
reading and 599 MB/s writing2. Storage capacity of RS820+/RS820RP+
can be further expanded with one optional Synology Expansion Unit
RX4183, providing a raw capacity of up 128 TB with 8 drives in total.