4 Bay Hot-Swappable Intel Gemini Lake Celeron Quad-Core 4GB DDR4, 2.5 GbE x 2 4GB EMMC USB 3.2 Gen 1 x 3 WOW (Wake on WAN) Toolless installation AES-NI hardware encryption MyArchive, SSD Caching Snapshot, EZ connect, EZ Sync Max Expansion units: 16, Storage 3.5" HDD x 4 , 2.5" SSD x 4, CPU Intel Celeron J4105 Quad-Core Gemini Lake burst up 2.5GHz, Memory 4GB DDR4 SODIMM (Max.8GB), Raid 0, 1, 5, 6, 10, JBOD, Maximum channels 36 (4 free lincenses included), LAN 2 x 2.5 Gigabit, USB 3.2 Gen 1 (USB3.0, 5Gb,s) 3, HDMI Output HDMI 2.0a Plus Infrared Receiver