- Evolutionary NAS server with SSD cache acceleration capability - 72 TB capacity with 4 IronWolf Pro 18 TB hard drives - Sequential encryption speed over 225 MB/s - Four-core 2.0/2.7 GHz processor with AES-NI encryption engine - 4 GB DDR4 memory expandable to 8 GB - 2 dedicated M.2 NVMe SSD slots for system cache compatibility - 2 1 GbE LAN ports with switching and Link Aggregation support, 2 USB 3.0, 1 eSata - Expandable up to 9 units with Synology DX517 - SE DSM installed - NAS-optimized hard drives with AgileArray - Active protection for your NAS thanks to IronWolf HealthManagement feature - High performance with no downtime or interruptions - Seagate Rescue data recovery service - Rotational vibration sensors for optimal performance in multi-disk NAS enclosures - Designed for continuous operation and 24/7 accessibility - Dimensions: Width 16.6 cm x Height 19.9 cm x Length 22.3 cm