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Synology E10G21 Dual Port 10GbE SFP+ PCIe Network Adapter

Product Code: E10G21-F2 SKU: PCK10914 Categories: , , ,

Out of stock

  • For Select Synology Devices
  • PCIe 3.0 x8 Host Interface
  • 2 x 10G Ethernet Ports
  • Supports SFP+ Modules
  • Link Aggregation
  • CPU Offloading Technologies
  • Includes Low- & Full-Height Brackets

Boost Connectivity for Bandwidth-Heavy Workloads

The Synology E10G21-F2 is a dual-port 10GbE SFP+ network interface card that lets you boost network bandwidth and performance. Handle more operations, users, and high-resolution videos.

Upgrade Synology systems with faster networking speeds. Thorough validation ensures seamless integration with DSM.

Check compatibility

Combine the E10G21-F2’s two 10GbE ports into a Link Aggregation group to enable higher simultaneous throughput, port failover, and load balancing.

SKU: PCK10914 Categories: , , ,
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Hardware Specifications


Host Bus InterfacePCIe 3.0 x8 Bracket HeightLow Profile and Full Height Size (Height x Width x Depth)69 mm x 168 mm x 17.3 mm Operating Temperature0°C to 40°C (32°F to 104°F) Storage Temperature-20°C to 60°C (-5°F to 140°F) Relative Humidity5% to 95% RH Warranty5 Years Notes

  • Supports PCIe upconfigure to reduce link width to conserve power.
  • The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)


IEEE Specification Compliance

  • IEEE 802.3ad Link Aggregation
  • IEEE 802.3ae 10Gbps Ethernet

Data Transfer Rates10 Gbps Supported Features

  • TCP Segmentation Offload (TSO)
  • Large Send Offload (LSO)
  • Receive Side Scaling (RSS)
  • Generic Receive Offload (GRO)
  • Generic Segmentation Offload (GSO)
  • 1.5 – 9 KB Jumbo Frame
  • Offloaded storage over Ethernet
  • Non-offloaded storage over Ethernet
  • TCP/UDP Checksum Offload
  • Transmit side scaling (TSS)


Applied Models

  • FS series:FS6400, FS3600, FS3400, FS3017, FS2017, FS1018
  • SA series:SA3600, SA3400, SA3200D
  • UC series:UC3200
  • 21 series:RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+
  • 20 series:RS820RP+, RS820+
  • 19 series:RS1619xs+, DS2419+, DS2419+II, DS1819+
  • 18 series:RS3618xs, RS2818RP+, RS2418RP+, RS2418+, DS3018xs, DS1618+
  • 17 series:RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xs, DS3617xsII

Notes DSM version requirement: 6.2.3-25426 or later version