Synology DS1821+

What is the maximum number of drive bays on the Synology DS1821+?

The Synology DS1821+ has 8 drive bays, and it can be expanded to up to 18 bays using two optional DX517 expansion units.

What drive form factors and types does the DS1821+ support?

It supports both 3.5-inch and 2.5-inch SATA HDDs and SSDs. It does not support NVMe drives for storage, but it has two M.2 NVMe slots for SSD caching.

What CPU does the Synology DS1821+ use?

It uses an AMD Ryzen V1500B quad-core processor, running at 2.2 GHz.

What are the RAM upgrade options for the DS1821+?

The DS1821+ comes with 4 GB of DDR4 ECC SODIMM RAM, and it supports a maximum of 32 GB via two SO-DIMM slots.

What network ports does the DS1821+ have?

It has four Gigabit Ethernet ports (RJ-45). It does not include 10GbE ports out of the box, but it has a PCIe Gen3 x8 slot for adding a 10GbE network card.

How can the DS1821+ be expanded?

It can be expanded via its PCIe Gen3 x8 slot (for 10GbE or M.2 NVMe cards) and by connecting up to two DX517 expansion units, adding up to 10 additional drive bays.