Synology DS1621+

What is the maximum number of drive bays on the Synology DS1621+?

The Synology DS1621+ has 6 internal drive bays, and can be expanded to up to 16 bays by connecting two optional DX517 expansion units.

What drive form factor and interface does the DS1621+ support?

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

What are the RAM upgrade options for the DS1621+?

The DS1621+ comes with 4GB of DDR4 ECC SODIMM RAM, and can be upgraded to a maximum of 32GB (two 16GB modules).

What CPU is used in the Synology DS1621+?

It is powered by an AMD Ryzen V1500B quad-core processor running at 2.2 GHz.

What network ports does the DS1621+ have?

It has four Gigabit Ethernet ports (RJ-45), and includes one PCIe 3.0 x8 slot for adding a 10GbE or 25GbE network card.

Can the DS1621+ be expanded with additional storage or PCIe cards?

Yes, it supports up to two DX517 expansion units for additional 10 drive bays, and has a PCIe 3.0 x8 slot for installing a 10GbE/25GbE network card or an M.2 NVMe adapter.

What types of drives are supported for caching on the DS1621+?

It supports two M.2 NVMe SSDs (2280 form factor) for read/write caching, but these cannot be used as primary storage volumes.