RackStation RS1619xs+

4-bay RackStation (up to 16-bay), Intel Xeon D-1527 (4 Core/ 2.2 GHz (turbo to 2.7GHz)), 8GB DDR4 (Max.64GB), 2x M.2 NVMe SSD, 4x1GbE Base T, 25GbE/10GbE NIC (Optional), Redundant Power, Warranty 5 Yrs. with Synology Replacement Service (SRS)
 : Support : SAN 16G FC / IP SAN 10 G iSCSI

 - Disk Size : SATA HDD 2.5", 3.5" (Hot-Swap)  -- >>Check Hard Disk Drive (HDD) Compatibility
                          : SATA SSD 2.5" (Hot-Swap)
 - M.2 2280 NVMe : 2 Slots Built-in
 - RAM :  8 GB DDR4 ECC UDIMM, 4 Slots (Max. 64 GB (16GB x 4)
 - USB 3.2 Gen 1 : 2 Ports
 - RJ45 1 GbE LAN : 4 Ports
 - PCIe Expansion : 1 Slot (E10G18-T2/E10G18-T1/E10G21-F2/E25G21-F2)