Synology E25G21-F2

Synology E25G21-F2

 

E25G21-F2

Dual-port SFP28 add-in card designed to accelerate bandwidth-intensive workflows

 

 

Combine the E25G21-F2’s two 25GbE ports into a Link Aggregation group to enable higher simultaneous throughput, port failover, and load balancing.

 

Specifications:

General

Host Bus Interface
PCIe 3.0 x8

 
Bracket Height
Low Profile and Full Height

 
Size (Height x Width x Depth)
69 mm x 168 mm x 17.3 mm

 
Operating Temperature
0°C to 40°C (32°F to 104°F)

 
Storage Temperature
-20°C to 60°C (-5°F to 140°F)

 
Relative Humidity
5% to 95% RH

Network

IEEE Specification Compliance

• IEEE 802.3ad Link Aggregation


• IEEE 802.3ae 10Gbps Ethernet


• IEEE 802.3by 25Gbps Ethernet

 
Data Transfer Rates
25 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


• Auto-negotiation between 10Gb/s and 25Gb/s


• TCP/UDP Checksum Offload


• Transmit side scaling (TSS)


• SR-IOV

Compatibility

Applied Models

• FS series:FS6400, FS3600, FS3400, FS3017, FS2017, FS1018, FS3410, FS2500


• HD series:HD6500


• SA series:SA3600, SA3400, SA6400, SA3200D


• UC series:UC3200


• 23 series:RS2423RP+, RS2423+, DS1823xs+


• 22 series:RS822RP+, RS822+, DS3622xs+, DS2422+


• 21 series:RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+


• 19 series:RS1619xs+


• 18 series:RS3618xs, DS3018xs


• 17 series:RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xs, DS3617xsII

 
Notes

• DSM version requirement: 6.2. 3-25426 or later version


• SR-IOV support requires DSM 7.1. 1-42962 and is not available on the following units: UC3200, FS3410, FS3017, SA3200D, and DS1621+.