400GB M.2 2280 NVMe SSD
M.2 SSD 10GbE Base-T Combo Adapter
4GB DDR3 RAM Upgrade f DS1515+/1815+
2-bay DiskStation Realtek RTD1619B Quad
8-bay DiskStation Quad Core AMD Ryzen
DS423 4Bay RTD1619B QC 1.7GHZ 2GB DDR4 2
RackStation RS1221+ 24TB NAS
PCIe network card 2x 10Gbit/s ports SFP+
DiskStation DS223J + 8TB NAS
DiskStation DS423 + 2TB NAS
MailPlus 5 Licenses
PCIe 3.0 x8 adapter card 2280/22110 M.2
DiskStation DS923+ 8TB NAS
DiskStation DS923+ 16TB NAS
12bay SAS/SATA expansion unit for SA3400
DiskStation DS1821+ 8 Bay 12TB NAS
DiskStation DS223 + 8TB NAS
DiskStation DS423 + 8TB NAS
Intel Celeron J4125 quad-core processor
2-years extended warranty pack for RS818