Synology
Synology E25G21-F2 25gb Ethernet Adapter 2 Sfp28 Ports
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- SKU:
- 18214480
- MPN:
- e25g21-f2
- Availability:
- Out of stock
- Stock Update:
- 04/30/2025 05:55:06 PM PST
- Stock Update:
- 04/30/2025 05:55:06 PM PST
Description
This item is brand-new, factory sealed.
Dual-port SFP28 add-in card designed to accelerate bandwidth-intensive workflowsMaximize Bandwidth for Heavy-Duty Applications
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.
Throughput
Dual-port 25GbE SFP28
Flexibility
Optical SR, Optical LR, and DAC support
Compatibility
Purpose-built for Synology servers
Easy installation
Upgrade Synology systems with faster networking speeds. Thorough validation ensures seamless integration with DSM.
Link Aggregation
Combine the E25G21-F2s two 25GbE ports into a Link Aggregation group to enable higher simultaneous throughput, port failover, and load balancing. General
Host Bus Interface
PCIe 3.0 x8 Bracket Height
Low Profile and Full Height Operating Temperature
0oC to 40oC (32oF to 104oF) Storage Temperature
-20oC to 60oC (-5oF to 140oF) Relative Humidity
5% to 95% RH Notes
The warranty period starts from the purchase date as stated on your purchase receipt. 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) Compatibility
Applied Models FS series:
FS6400, FS3600, FS3400, FS3017, FS2017, FS1018 SA series:
SA3600, SA3400, SA3200D UC series:
UC3200 21 series:
RS4021xs+, RS3621xs+, RS3621RPxs, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+ 19 series:
RS1619xs+ 18 series:
RS3618xs, DS3018xs 18 series:
RS3618xs, DS3018xs Notes
DSM version requirement: 6.2.3-25426 or later versionItem Dimension (L inchxW inchxH inch)
9 x 5 x 2
Weight
1.00 lb
Warranty Information
5 Years
Features
Device Supported:
Taiwan
NAS Storage Device
Server
Country of Origin:
Taiwan
Specs
| Physical Characteristics | |
| Form Factor | Plug-in Card |
| Height | 2.7" |
| Width | 6.6" |
| Depth | 0.7" |
| Interfaces/Ports | |
| Total Number of Ports | 2 |
| Host Interface | PCI Express 3.0 x8 |
| I/O Expansions | |
| Expansion Slot Type | SFP28 |
| General Information | |
| Brand Name | Synology |
| Manufacturer Website Address | http://www.synology.com |
| Marketing Information | Maximize Bandwidth for Heavy-Duty Applications The Synology E25G21-F2 dual-port 25GbE SFP28 network adapter is designed to support largescale deployments and high-throughput applications. It lets system administrators maximize the performance potential of compatible Synology NAS and IP-SAN. High-performance connectivity upgrade The E25G21-F2 adapter gives you more connectivity options with support for SR and LR transceivers and DAC options. Dual 25GbE SFP28 ports help remove network bandwidth limitations, while backwards compatibility with 10GbE SFP+ equipment reduces installation and implementation costs. CPU offloading technologies reduce network transfer overhead on the host system's processor to boost system performance. |
| Product Type | 25Gigabit Ethernet Card |
| Product Name | Dual-Port 25GbE Adapter |
| Manufacturer | Synology, Inc |
| Manufacturer Part Number | E25G21-F2 |
| Product Model | E25G21-F2 |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Network & Communication | |
| Network Technology |
|
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Synology E25G21-F2 25gb Ethernet Adapter 2 Sfp28 Ports