Technical Specifications

Hardware

CPU

• AMD Ryzen V1500B quad-core 2.2 GHz

Hardware encryption engine

• Yes (AES-NI)

Memory

• 4 GB DDR4 ECC UDIMM (expandable up to 32 GB)

Compatible drive types

• 16 x 3.5" or 2.5" SATA HDD/SSD (drives sold separately)
• Only Synology SAT5200 2.5" or Synology SNV3400/3500 M.2 SSDs (sold separately) can be used for SSD cache

Hot swappable drive

• Yes

External ports

• 2 x USB 3.2 Gen 1 ports
• 1 x Expansion port (Infiniband)

Form factor

• Rackmount 3U

Dimensions (H x W x D)

• 132.3 x 482 x 656.5 mm (with server handles)

Weight

• 17.1 kg

Rack installation support

• 4-post 19-inch rack

LAN ports

• 4 x 1GbE RJ45

Wake on LAN/WAN

• Yes

PCIe 3.0 slot

• 1 x 4-lane x8 slot
• Supports network interface cards and M.2 NVMe SSD adapter cards (sold separately) for SSD cache

Scheduled power on/off

• Yes

System fans

• 3 x (80 x 80 x 32 mm)

AC input power voltage

• 100 V to 240 V AC

Power frequency

• 50/60 Hz, single phase

Operating temperature

• 0ºC to 35ºC (32ºF to 95ºF)

Storage temperature

• -20ºC to 60ºC (-5ºF to 140ºF)

Relative humidity

• 5% to 95% RH

Maximum operating altitude

• 5,000 m (16,400 ft)

General DSM Specification

Networking protocols

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

File systems

• Internal: Btrfs, ext4
• External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT10

Supported RAID types

• Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10

Storage management

• Maximum single volume size: 108 TB
• Maximum system snapshots: 65,536
• Maximum internal volumes: 64

SSD cache

• Read/write cache support
• 2.5" SATA SSD support
• M.2 NVMe SSD support

File sharing capabilities

• Maximum local user accounts: 2,048
• Maximum local groups: 256
• Maximum shared folders: 512
• Maximum concurrent SMB/NFS/AFP/FTP connections: 1,000

Privileges

• Windows Access Control List (ACL), application privileges

Directory services

• Connects with Windows AD/LDAP servers enabling domain users to login via SMB/NFS/AFP/FTP/File Station using their existing credentials.

Virtualization

• VMware vSphere, Microsoft Hyper-V, Citrix, OpenStack

Security

• Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable cipher suite)

Supported clients

• Windows 7 onwards, macOS 10.12 onwards

Package contents

• 1 x Synology RS2821RP+ Enclosure
• 1 x Quick Installation Guide
• 1 x Accessory Pack
• 2 x AC Power Cords