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Cisco Compatible SFP28-25GBASE-SR Optical Transceiver Module
SFP28-25GB-SR
The SFP28-25GB-SR optical transceiver is designed for 25GbE multimode fiber networks and supports transmission distances up to 100m over OM4 fiber.Featuring an LC duplex interface and 850nm VCSEL technology, it provides reliable connectivity for data centers, enterprise networks, and server access applications.As a cost-effective 25G transceiver solution, it offers seamless interoperability with mainstream 25G switch platforms and network equipment.
Product Highlights
*25GBASE-SR optical transceiver
*Supports OM3 and OM4 multimode fiber
*Up to 100m over OM4 fiber
*850nm VCSEL technology
*Digital Diagnostic Monitoring (DDM)
*Hot-pluggable SFP28 form factor
*Low power consumption ≤1W
*Compatible with major 25G switch platforms
Product Highlights
*25GBASE-SR optical transceiver
*Supports OM3 and OM4 multimode fiber
*Up to 100m over OM4 fiber
*850nm VCSEL technology
*Digital Diagnostic Monitoring (DDM)
*Hot-pluggable SFP28 form factor
*Low power consumption ≤1W
*Compatible with major 25G switch platforms
Quantity:
Cisco SFP28-25G-SR Compatible 25GBASE-SR SFP28 Optical Transceiver Module (MMF, 850nm, 100m, LC, DOM)
The SFP28-25GB-SR module is widely used in high-density server access environments where 25GbE connectivity is required.
Compared with traditional 10G links, 25G Ethernet provides higher bandwidth while maintaining a similar cabling structure, making it a popular choice for modern data center upgrades.
The module can be deployed in server-to-switch links, storage networks, virtualization platforms, and cloud computing environments to improve overall network efficiency and scalability.
Compared with traditional 10G links, 25G Ethernet provides higher bandwidth while maintaining a similar cabling structure, making it a popular choice for modern data center upgrades.
The module can be deployed in server-to-switch links, storage networks, virtualization platforms, and cloud computing environments to improve overall network efficiency and scalability.
Product Details
Part Number：SFP28-25GB-SR
Description：SFP28 25GBASE-SR multimode optical transceiver, 850nm, LC duplex, 100m, DDM
Compatible with：H3C, HW, Cisco, HP, etc
Data Rate | Module Type | Distance | Wavelength | Interface | Temperature | DDM |
25Gb/s | SFP28 | 100M | 850nm | LC | 0~70℃ | Yes |
Specifications
| Cisco Compatible | SFP28-25G-SR | Vendor Name | Firstoptic |
| Form Factor | SFP28 | Max Data Rate | 25.78Gbps |
| Wavelength | 850nm | Max Cable Distance | 100m@OM4/70m@OM3 |
| Connector | Duplex LC | Media | MMF |
| Transmitter Type | VCSEL | Receiver Type | PIN |
| TX Power | -7.9~1.9dBm | Minimum Receiver Power | <-6dBm |
| Power Budget | 1.9dB | Receiver Overload | 2.4dBm |
| Power Consumption | ≤1W | Extinction Ratio | >2dB |
| CDR (Clock and Data Recovery) | TX & RX Built-in CDR | Inbuilt FEC | Yes |
| Commercial Temperature Range | 0 to 70℃ (32 to 158°F) | Protocols | SFF-8472, SFF-8024, SFF-8431, SFF-8432 |
| DDM/DOM | Supported | Warranty | 3 Years ⓘ |
| Core Size | 50/125 μm | Packaging Technology | COB Packaging |
Certification system
Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.
Application Scenarios
25G Switch-to-Switch Connectivity
The SFP28-25GB-SR optical transceiver enables reliable 25GbE connectivity between 25G switches using OM3 or OM4 multimode fiber patch cords.
Supporting transmission distances up to 100m over OM4 fiber, it provides a cost-effective solution for aggregation, access, and data center network expansion.
Server-to-Switch Connectivity
The SFP28-25GB-SR optical transceiver is commonly used to connect 25G servers to 25G switch ports in modern data center environments.
When deployed with OM3 or OM4 multimode fiber patch cords, it provides high-bandwidth and low-latency connectivity for cloud computing, virtualization platforms, storage networks, and enterprise data center applications.
Features
Before shipping, we conduct rigorous testing of every SFP28-25G-SR optical transceiver to ensure consistent quality and reliable network performance.Each module undergoes optical performance verification, compatibility validation, and environmental reliability testing to meet the requirements of enterprise and data center networks.Our commitment to quality helps deliver stable connectivity, low latency, and long-term operational reliability.
Test Equipment
Compatible Test
QC TestHigh Compatibility for all Brands
Our SFP28-25G-SR optical transceivers are tested for compatibility with major network equipment vendors, ensuring seamless deployment in enterprise, cloud, and data center environments.
FAQ Section
Q1: What is an SFP28 25GB SR optical transceiver?
The SFP28 25GB SR optical transceiver is a 25GBASE-SR module designed for multimode fiber networks using an LC duplex interface.
Q2: What fiber is required for an SFP28 25GB SR module?
The module requires OM3 or OM4 multimode fiber with LC duplex connectors.
Q3: What is the maximum transmission distance of a 25G transceiver?
The module supports up to 70m over OM3 fiber and up to 100m over OM4 fiber.
Q4: Where is an SFP28 25GB SR module commonly used?
Typical applications include data centers, enterprise networks, storage systems, and server-to-switch connectivity.
Q5: Is the SFP28 25GB SR compatible with 25G switch platforms?
Yes. The module is designed to support mainstream 25G switch platforms and networking equipment.
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