for Disk Station DS1621, DS1821; FlashStation FS3600; RackStation RS1221, RS3621, RS4021
Overview
The Synology E25G21-F2 is a dual-port 25GbE SFP28 network interface card that lets you boost network bandwidth and performance. Handle higher quantities of data traffic for increased users and the most data-intensive workloads.
Designed ForSynology SA3200, SA3400, SA3600; Disk Station DS1621, DS1821, DS3018, DS3617; FlashStation FS1018, FS2017, FS3017, FS3400, FS3600, FS6400; RackStation RS1221, RS1619, RS18017, RS3617, RS3618, RS3621, RS4017, RS4021; Unified Controller UC3200
Extended Specification
General
Device TypeNetwork adapter
Form FactorPlug-in card - low profile
Interface (Bus) TypePCI Express 3.0 x8
PCI Specification RevisionPCIe 3.0
Networking
Ports25 Gigabit SFP28 x 2
Connectivity TechnologyWired
Data Link Protocol10 Gigabit Ethernet, 25 Gigabit Ethernet
Data Transfer Rate25 Gbps
Network / Transport ProtocolTCP/IP, UDP/IP
FeaturesAuto-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)