Synology NAS DS1821+

The Synology NAS DS1821+ has 0 inputs and 7 outputs: 4 × Ethernet, 2 × USB.

Inputs and outputs

Ethernet (4)

PortDirectionConnector
ETH1OutRJ45
ETH2OutRJ45
ETH3OutRJ45
ETH4OutRJ45

USB (2)

PortDirectionConnector
USB1OutUSB-A
USB2OutUSB-A

Other (1)

PortDirectionConnector
eSATAOut–

Specs

Category
Network

What it connects to

  • Ethernet out: 1,145 devices in the library take it as an input.
  • USB out: 771 devices in the library take it as an input.

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Port data from the Patchify gear library, last updated 25 January 2026. Report a correction

Synology NAS DS1821+ Inputs, Outputs & Specs | Patchify