Specifications. CPU: Inel Atom C3538 w/Hardware Encryption Engine ( AES-NI) ( 2.1GHz, Quad Core). Memory: 4GB DDR4 ( Up to 64GB). Internal HDD/SSD: 12x 3.5-" or 2.5-" SATA HDD/SSD. Max Internal Capacity: 144TB ( 12x 12TB HDD) ( Capacity may vary by RAID types). External HDD Interface: 2x USB 3.0 Ports, 1x Expansion Port. LAN: 4x RJ-45 1GbE LAN Port ( with Link Aggregation/Failover support). PCIe: 1x Gen3 x8 slot ( black, x4 link). Fan: 4x ( 80 x 80mm) Fans. Noise Level: 54.1 dB( A). Power Supply Unit/Adapter: 2x 500W. AC Input Power Voltage: 100 - 240 V AC. Power Frequency: 50/60Hz, Single Phase. Networking Protocols: SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN ( PPTP, OpenVPN, L2TP). Security: Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support,
