Seems like there is a more localized page available for your location.
Česká republika - Čeština
  • Storage expansion and accessories
E25G30-F2

E25G30-F2

Dual-port 25GbE SFP28 add-in card for Synology systems

Shop now
Product Image E25G30_F2
Product Image E25G30_F2
  • Features
  • Specs
25GbE connectivity for seamless integration to modern enterprise networksDownload Datasheet ThroughputIncrease network performance with 25GbE connectivityFlexibilityOptical SR, Optical LR, and DAC supportCompatibilityDesigned for maximum performance and reliability in Synology systems

High-performance connectivity upgrade

Flexible SFP28 options

Support for short-range and long-range transceivers as well as DAC options enables flexible connectivity choices.

Link aggregation

Dual 25GbE ports can be combined into a Link Aggregation Group to boost throughput up to 50 Gb/s, while also providing port failover and load balancing functionality.

CPU offloading and load balancing

Support for CPU offloading and load balancing technologies enables optimal system performance.

High-performance connectivity upgrade

5-year warranty

At Synology, we are committed to product innovation and quality. Synology guarantees a robust and reliable data management experience with a 5-year limited warranty, providing responsive technical support and hardware replacement services to maximize your return on investment. Learn more

High performance storage systems

All-flash array

FS6400

  • 240,000 4K random write IOPS
  • Built-in dual 10GbE ports
  • Up to 72 bays with 2 FX2421 or RX1217sas expansion units
Learn more
High Scalability

SA3610

  • Over 6,200/3,000 MB/s sequential read/write
  • Built-in dual 10GbE ports
  • Up to 1.728 PB of storage with 7 RX1222sas expansion units
Learn more
RackStation

RS4021xs+

  • Over 6,200/3,200 MB/s sequential read/write
  • Built-in dual 10GbE ports
  • Up to 40 bays with RX1217RP/RX1217
Learn more
Notes:Link aggregation increases the total throughput of the network. It does not increase individual transfer speeds.The warranty period starts from the date of purchase as stated on your purchase receipt. Visit https://www.synology.com/company/legal/warranty for more information.
Hardware Specifications
General
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
Warranty 5 Years
Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Network
Network
IEEE Specification Compliance
  • IEEE 802.3ad Link Aggregation
  • IEEE 802.3ae 10Gbps Ethernet
  • IEEE 802.3by 25Gbps Ethernet
Data Transfer Rates 25 Gbps/10 Gbps
Supported Features
  • TCP Segmentation Offload (TSO)
  • Receive Side Scaling (RSS)
  • Generic Segmentation Offload (GSO)
  • 1.5 - 9 KB Jumbo Frame
  • TCP/UDP Checksum Offload
  • Transmit side scaling (TSS)
  • SR-IOV
  • Large receive offload (LRO)
Notes As mixed link speeds are not supported, both network ports must be configured with the same link speed.
Compatibility
Applied Models
Applied Models
  • FS series:FS6400, FS3600, FS3410, FS3400, FS2500
  • HD series:HD6500
  • SA series:SA6400, SA3610, SA3600, SA3410, SA3400D, SA3400, SA3200D
  • UC series:UC3400, UC3200
  • DP series:DP7200, DP7400
  • 25 series:RS2825RP+, DS1825+
  • 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
  • 17 series:DS3617xs
Notes
  • DSM version requirement: 7.1.1-42962 Update 5 or later version
  • For models with an AMD Ryzen V1000 CPU, DSM version 7.2.1-69057 or above is required.
Notes: Model specifications are subject to change without prior notice. The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time. The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations. If usage requirements exceed the specifications above, please contact our regional partners for professional advice.
NAS Selector
RAID Calculator
NVR Selector
Knowledge Center
Downloads
Newsletter
Company
  • About Synology
  • Blog
  • Newsroom
  • Media Coverage
  • Customer Stories
  • Office Locations
  • ESG
Sales
  • Where to Buy
  • Contact Us
  • Become a Partner
Compatibility
  • HDD/SSD
  • IP Camera
  • Network Card
  • I/O Modules, IP Speakers, Access Controllers
  • Other Devices
Resources
  • Products A-Z
  • Beta Program
  • Bounty Program
  • Community
  • Events
  • Subscribe to Newsletter
Copyright © 2025 Synology Inc. All rights reserved. Terms & Conditions | Privacy | Cookie Preference
Africa - English
Synology AI Advisor
What can I help you with?
    By using our AI Advisor, you consent to Synology collecting and processing your conversation. Please avoid sharing personal data. Privacy Policy and Data Collection Disclosure.

    4.7 / 5

    Synology is recognized in the Gartner Peer Insights Voice of the Customer for Primary Storage Platform.