Variable options to boost system computing performance
 Equipped with a PCIe 3.0 slot, RS1619xs+ supports installing a 10GbE/25GbE NIC for fast data transmission. Built-in M.2 2280 SSD cache slots further benefit IO-intensive tasks, such as virtualization or mail server deployment.
    M.2 SSD support
 Dual M.2 2280 slots supporting NVMe/SATA SSDs
    10GbE/25GbE support
 optional high-speed network capacity for bandwidth-intensive environments
  
Synology RS1619xs+ External HDD/SSD Specs
      | Number of Bays |    4x 2.5"/3.5" 2x M.2 (2280)   |  
  | Inputs/Outputs |    4x RJ45 Gigabit Ethernet 2x USB-A 3.0 / 3.1/3.2 Gen 1   |  
  | Compatible Drive Interface |    SATA (Unspecified Version)   |  
  | RAID |    RAID 0/1/5/6/10/Basic   |  
  
    Computing
    | CPU |    Quad-Core: 2.2 to 2.7 GHz   |  
  | Processor |    Intel Xeon D-1527   |  
  | Total Installed Memory |    8 GB ECC DDR4   |  
  | User-Replaceable Memory |    1x 8 GB   |  
  | Total Memory Slots |    4x DIMM   |  
  | Maximum Memory Capacity |    64 GB   |  
  
    General
    | Number of Bays |    4x 2.5"/3.5" 2x M.2 (2280)   |  
  | Inputs/Outputs |    4x RJ45 Gigabit Ethernet 2x USB-A 3.0 / 3.1/3.2 Gen 1   |  
  | Compatible Drive Interface |    SATA (Unspecified Version)   |  
  | Media Card Slots |    No   |  
  | Form Factor |    Rackmount (1 RU)   |  
  | RAID |    RAID 0/1/5/6/10/Basic   |  
  | Hot-Swap Support |    Yes   |  
  | PCI Expansion |    1x PCIe 3.0 (x8 Electrical)   |  
  | Wake on LAN |    Yes   |  
  | Link Aggregation and Failover Support |    Yes   |  
  
    Networking
    | Supported Protocols |    AFP CIFS CalDAV FTP HTTP HTTPS L2TP NFS SMB SNMP WebDAV iSCSI   |  
  | iSCSI LUN |    512   |  
  | iSCSI Target |    256   |  
  | Max Concurrent Connections |    10,000   |  
  | Max Folders |    512   |  
  | Max Sync Tasks |    32   |  
  | Max Groups |    512   |  
  | Max User Accounts |    16,000   |  
  | Max Volume Number |    1024   |  
  | Max Cameras Supported |    75   |  
  
    Software
    | Installed Operating System |    Synology DSM   |  
  | Supported File Systems |    Internal: BTRFS, EXT4 External: BTRFS, EXT3, EXT4, FAT, HFS+, NTFS, exFAT   |  
  | OS Compatibility |    Windows 7 Windows 10 macOS 10.11 or Later   |  
  | Mobile App Compatible |    No   |  
  | Supported Browsers |    Chrome, Firefox, Internet Explorer, Safari   |  
  | Supported Languages |    Brazilian Portuguese Czech Danish Dutch English French German Hungarian Italian Japanese Korean Norwegian Polish Portuguese Russian Simplified Chinese Spanish Swedish Thai Traditional Chinese Turkish   |  
  
     Electrical
    | AC Input Power |    100 to 240 VAC, 50 / 60 Hz   |  
  | Power Source |    Internal Power Supply   |  
  | Power Consumption |    68.68 W (Typical) 34.78 W (Standby)   |  
  | PSU Wattage |    2 x 150 W (Supports Redundancy)   |  
  
    Environmental
    | Operating Temperature |    40 to 95°F / 4 to 35°C   |  
  | Operating Humidity |    5 to 95%   |  
  | Storage Temperature |    -5 to 140°F / -20 to 60°C   |  
  | Certifications |    BSMI, CCC, CE, EAC, FCC, Kcc, RCM, VCCI   |  
  
    Physical
    | Status Monitoring |    LED Indicator   |  
  | Audible Alarm |    No   |  
  | Cooling |    2x 40 mm Fans   |  
  | Noise Level |    39.3 dBA   |  
  | Built-In Speakers |    No   |  
  | Dimensions |    20.42 x 18.9 x 1.73" / 518.6 x 480 x 44 mm   |  
  | Weight |    18.1 lb / 8.2 kg   |  
  
    Packaging Info
    | Package Weight |    24 lb   |  
  | Box Dimensions (LxWxH) |    24 x 23 x 8"   |