Streamline your data management Synology DS720+ is a compact network-attached storage solution to streamline data and multimedia management. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance. Scalable storage design lets you start small and expand storage capacity with Synology DX517 as your data grows. CPU Model Intel Celeron J4125 CPU Architecture 64-bit CPU Frequency 4-core 2.0 (base) / 2.7 (burst) GHz Hardware Encryption Engine (AES-NI) System Memory 2 GB DDR4 non-ECC Total Memory Slots 1 Drive Bays 2 Maximum Drive Bays with Expansion Unit 7 (DX517 x 1) M.2 Drive Slots 2 (NVMe) Compatible Drive Type 3.5inch SATA HDD 2.5inch SATA HDD 2.5inch SATA SSD M.2 2280 NVMe SSD Maximum Internal Raw Capacity 32 TB (16 TB drive x 2) (Capacity may vary by RAID types) External Ports RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support) USB 3.0 Port 2 eSATA Port 1 Power Supply Unit / Adapter 65 W AC Input Power Voltage 100 V to 240 V AC Power Frequency 50/60 Hz, Single Phase