4-bay RackStation (up to 16-bay)
Intel Xeon D-1527
Quad Core 2.2 GHz (turbo to 2.7GHz)
8GB RAM (Max.64GB)
2 x M.2 NVMe
10GbE NIC support (optional)
M.2 SSD support with M2D18
Redundant power
Warranty 5 Yrs. with Synology Replacement Service (SRS)

Disk Size
SATA HDD 2.5"/3.5" (Hot-Swap)
SATA SSD 2.5" (Hot-Swap)
M.2 2280 NVMe SSD x 2 Slots Built-in

USB 3.0 : 2 Ports
RJ45 1 GbE LAN : 4 Ports
PCIe Expansion : 1 Slot (Dual 10 GbE NIC - RJ45 or SFP+, Dual M.2 SSD Adapter Card)

FREE
Rail Kit Sliding Support Rack 1U, 2U, 3U