Synology RS1226+ is an 8-bay rackmount NAS with dual 2.5GbE, M.2 NVMe slots and expansion support for up to 12 drives.

Synology RS1226RP+ is an 8-bay rackmount NAS with redundant power, dual 2.5GbE, M.2 NVMe slots and scalable storage.

Synology RS1626xs+ is a 4-bay high-performance RackStation with dual 10GbE networking and expansion support for up to 16 drives.

Synology RS2423RP+II is a 12-bay rackmount NAS with redundant power, built-in 10GbE and scalable storage up to 24 drives.

Synology RS2825RP+ is a 16-bay rackmount NAS with redundant power, built-in 10GbE and expansion support for up to 28 drives.

Synology RS3626xs is a 12-bay RackStation with dual 10GbE, high sequential performance and expansion support for up to 36 drives.

Synology RX1225RP is a 12-bay SATA expansion unit with redundant power and online storage expansion for compatible Synology NAS systems.

Synology RX426 is a compact 4-bay SATA expansion unit with a 12-inch-depth chassis and online storage expansion for compatible Synology NAS systems.