Synology DiskStation DS218 2-Bay 3.5" Diskless 1xGbE NAS (Tower) (HMB), Realtek RTD1296 quad-core 1.4GHz, 2GB RAM, 2xUSB3, 1xUSB2, 1 x 1GbE (RJ-45)
Synology -Enterprise Storage for Synology systems,3.5" SATA Hard drive, HAT5300 , 8TB,5 yr Wty.
Synology RX418 delivers an effortless solution for volume expansion and data backup for Synology 1U RackStation by adding 4 additional SATA drive bays on-the-fly. With its short-depth chassis design, RX418 ensures easy installation and deployment in 2-post racks and wall mount racks. Synology RX418 is backed with Synology's 3-year limited warranty. Models supported RS818+, RS818RP+, RS816, RS815+, RS815RP+, RS815. Synology Live Chat available - https://www.synology.com/en-global
Synology RackStation RS820RP+ 4-Bay 3.5" Diskless 4xGbE NAS (1U Rack), Intel Atom Quad Core 2.1GHz, 2GB RAM, 2xUSB3, 1 Expansion Port , Redundant PSU