Brand: Synology

Model no: DS1821+

Form Factor: Tower

Product: DiskStation DS1821+ Nas Storage

Processor: AMD RyzenTM V1500B quad-core 2.2 GHz CPU

Operating System: Windows 7 onwards, macOS 10.12 onwards

RAM: 4 GB DDR4 ECC SODIMM (expandable up to 32 GB)

Compatible drive types: 8 x 3.5" or 2.5" SATA HDD/SSD (drives not included)

Hot swappable drives Yes

External ports : 4 x USB 3.2 Gen 1; 2 x eSATA

LAN ports:4 x 1GbE RJ-45

Networking protocols SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP)

File Systems (Internal): Btrfs, ext4

File Systems (External): Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT9

Supported RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10

Security: Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt

Antivirus: Essential Provides full system scans, scheduled scans, white list customization, and auto-update of virus definitions

Power frequency: 50/60 Hz, single phase

Operating Temperature: 0°C to 40°C (32°F to 104°F)

Storage Temperature: -20°C to 60°C (-5°F to 140°F)

Relative humidity: 5% to 95% RH

Maximum operating altitude: 5,000 m (16,400 ft)

Product Dimension(HxWxD) 166 x 343 x 243 mm

Weight 6.0 kg

Warranty 3 years Onsite Support