Synology DiskStation DS920+ 4-Bay Network Attached Storage (NAS)

• Designed to streamline data management and productivity. • CPU : 4-core 2.0 GHz, burst up to 2.7 GHz • 4 GB DDR4 onboard (expandable up to 8 GB) • 2 x USB 3.0 port, 1 x eSATA port, 2 x Gigabit (RJ-45), Wake on LAN/WAN • 4 x 3.5" or 2.5" SATA HDD/SSD (drives not included) • 2 x M.2 2280 NVMe SSD slots (drives not included) • Hot swappable drive • Maximum Internal Raw Capacity: 64 TB (16 TB drive x 4) • Maximum Raw Capacity with Expansion Units: 144 TB (64 TB + 16 TB drive x 5) • Expand up to 9 drives with a DX517 expansion unit • Max concurrent SMB/NFS/AFP/FTP connection: 1,000 • System fans: 2 x (92 x 92 x 25 mm)