Description

Synology E25G21-F2 Network adapter

General Information
Category Network interface cards
Description Synology E25G21-F2 – Network adapter – PCIe 3.0 x8 low profile – 25 Gigabit SFP28 x 2 – for Disk Station DS1621, DS1821; FlashStation FS3600; RackStation RS1221, RS3621, RS4021
Manufacturer Synology
UNSPSC 43201404
Main Specifications
Dimensions & Weight / Depth 16.8 cm
Dimensions & Weight / Height 6.9 cm
Dimensions & Weight / Width 1.73 cm
Header / Brand Synology
Miscellaneous / Product Color
  • Black
  • Blue
  • Silver
Networking / Connectivity Technology Wired
Networking / Data Link Protocol
  • 10 Gigabit Ethernet
  • 25 Gigabit Ethernet
Networking / Data Transfer Rate 25 Gbps
Networking / Type Network adapter
Packaged Quantity 1
Service & Support / Type 5-year warranty
Compatibility Information
Designed For
  • Synology SA3200D, SA3400, SA3600
  • Synology Disk Station DS1621+, DS1621XS+, DS1821+, DS3018xs, DS3617xs
  • Synology FlashStation FS1018, FS2017, FS3017, FS3400, FS3600, FS6400
  • Synology RackStation RS1221+, RS1221RP+, RS1619xs+, RS18017XS+, RS3617RPxs, RS3617xs+, RS3618XS, RS3621RPxs, RS3621xs+, RS4017XS+, RS4021xs+
  • Synology Unified Controller UC3200
Dimensions & Weight
Depth 16.8 cm
Height 6.9 cm
Width 1.73 cm
Environmental Parameters
Humidity Range Operating 5 – 95%
Max Operating Temperature 40 °C
Min Operating Temperature 0 °C
Expansion / Connectivity
Interfaces 2 x 25Gb Ethernet – SFP28 – female
General
Device Type Network adapter
Form Factor Plug-in card – low profile
Interface (Bus) Type PCI Express 3.0 x8
PCI Specification Revision PCIe 3.0
Manufacturer Warranty
Service & Support Limited warranty – 5 years
Miscellaneous
Included Accessories Low-profile bracket, full-height bracket
Networking
Compliant Standards IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.3by
Connectivity Technology Wired
Data Link Protocol 10 Gigabit Ethernet, 25 Gigabit Ethernet
Data Transfer Rate 25 Gbps
Features Auto-negotiation, LACP support, Large Send Offload (LSO), Receive Side Scaling (RSS), Link Aggregation Control Protocol (LACP), Transmit Side Scaling (TSS), Link Aggregation, 9 KB Jumbo Frame, generic segmentation offload (GSO)
Network / Transport Protocol TCP/IP, UDP/IP
Ports 25 Gigabit SFP28 x 2