Compatible SFP Modules Built for Stable Network Links
Source 1G SFP, 10G SFP+, 25G SFP28, 40G QSFP+ and 100G QSFP28 optical transceivers with compatible coding, batch testing and OEM labeling for telecom, ISP and data center projects.
SFP Transceiver Options for Access, Aggregation and Backbone Links
Choose standard single-mode or multimode optics, long-reach modules, single-fiber BiDi SFP modules, CWDM/DWDM wavelengths and industrial-temperature variants.
1G SFP Module
SX, LX, EX, ZX, BiDi and CWDM options for Gigabit Ethernet and access networks.
550 m to 120 km options10G SFP+ Module
10GBASE-SR, LR, ER and ZR optics for server, switch, aggregation and metro links.
SFP+ optical transceiver25G SFP28 Transceiver
SR and LR choices for 25GbE migration, data center interconnects and 5G transport.
100 m and 10 km optionsQSFP+ & QSFP28
SR4, LR4 and breakout-ready modules for high-density switching and backbone upgrades.
Parallel and duplex opticsOne Optical Module Platform, Multiple Network Environments
Module selection is matched to the equipment platform, fiber plant, link budget and operating environment rather than chosen by data rate alone.
Data Centers
Server access, top-of-rack switching, leaf-spine networks and 10G/25G/100G migration.
Telecom & 5G
Fronthaul, backhaul, aggregation and long-distance optical transport requirements.
ISP Networks
OLT uplinks, metro access, enterprise broadband and point-to-point fiber links.
Industrial Ethernet
Extended-temperature transceivers for transport, energy, surveillance and factory networks.
Coding and Labeling Prepared for Your Network Platform
Provide the switch, router, firewall, server NIC or OLT model. We can review the required EEPROM coding, DDM support, label information and packaging before the order moves to batch testing.
- Compatibility review by exact host model and software environment
- OEM label, serial number, barcode and packaging support
- Standard or industrial-temperature operating options
- Sample validation available before volume purchasing
- Cisco
- HPE / Aruba
- Juniper
- Huawei
- Nokia
- ZTE
- Ubiquiti
- MikroTik
- Dell
- Broadcom NIC
- Intel NIC
- Generic MSA
Batch Testing Before SFP Module Shipment
For project orders, optical performance and compatibility checks can be documented by model and batch, reducing avoidable installation issues at the destination.
Common SFP Module Specifications
Use this table as a starting point. Exact reach depends on fiber type, connector loss, link budget, host platform and operating conditions.
| Product Type | Typical Standard | Wavelength | Fiber / Connector | Typical Reach | Common Use |
|---|---|---|---|---|---|
| 1G SFP SX | 1000BASE-SX | 850 nm | MMF / Duplex LC | Up to 550 m | Access switches and campus LAN |
| 1G SFP LX | 1000BASE-LX | 1310 nm | SMF / Duplex LC | 10 km | Enterprise and ISP access |
| 10G SFP+ SR | 10GBASE-SR | 850 nm | OM3/OM4 / Duplex LC | 300–400 m | Data center short reach |
| 10G SFP+ LR | 10GBASE-LR | 1310 nm | SMF / Duplex LC | 10 km | Aggregation and metro access |
| 25G SFP28 LR | 25GBASE-LR | 1310 nm | SMF / Duplex LC | 10 km | 25GbE and 5G transport |
| 100G QSFP28 LR4 | 100GBASE-LR4 | LAN-WDM | SMF / Duplex LC | 10 km | Core and data center interconnect |
Typical reference values only. Confirm the complete link budget and host requirements before purchasing.
Questions Buyers Ask Before Ordering
Send the host device model and link information if your project needs a model-by-model recommendation.
Ask an EngineerHow do I choose the correct SFP module?
Confirm the host platform, data rate, wavelength, fiber type, connector, transmission distance and temperature range. For long-distance and WDM links, include the complete optical link budget.
Can compatible SFP transceivers be coded for different switch brands?
Compatible coding can be prepared for many common platforms. Please provide the exact equipment model and, when relevant, its software version so the required identification data can be reviewed.
What is the difference between SFP, SFP+, SFP28 and QSFP28?
They primarily differ in data rate and form factor. SFP commonly supports 1G, SFP+ supports 10G, SFP28 supports 25G, and QSFP28 commonly supports 100G through four electrical lanes.
Are BiDi, CWDM, DWDM and industrial SFP modules available?
Yes, these families can be supplied according to wavelength, reach, connector and operating-temperature requirements. BiDi modules must be ordered as matched wavelength pairs.
Can I order samples before a bulk project?
Sample validation is recommended when a new platform, compatibility code or long-distance link is involved. Batch production can then follow the approved model and label details.
The SFP (Small Form-factor Pluggable) Module is a compact and hot-pluggable transceiver used in fiber optic communications. It enables the connection between a network device (such as a switch or router) and a fiber optic cable. SFP modules come in various types, supporting different data rates and transmission distances. They offer flexibility and ease of installation, allowing network administrators to quickly upgrade or replace them as needed. With their small size and high performance, SFP modules are widely used in data centers, enterprise networks, and telecommunications systems.
The SFP module has several common application scenarios. In data centers, it is used to establish high-speed connections between servers and switches, enabling efficient data transmission for cloud computing and other large-scale data processing tasks. It also plays a crucial role in storage area networks, connecting storage devices and servers for quick data storage and retrieval.
Small Form-factor Pluggable
Foclink focuses on the research, development, production, and sales of hot-pluggable small form factor SFP modules.
SFP+-10GB-LR is a very compact 10Gb/s optical transceiver module for serial optical communication applications at 10Gb/s. The SFP+-10GB-LR converts a 10Gb/s serial electrical data stream to 10Gb/s optical output signal and a 10Gb/s optical input signal to 10Gb/s serial electrical data streams. The high speed 10Gb/s electrical interface is fully compliant with SFI specification.
SFP Module Type
1.25G SFP
Featuring low power consumption, the hot swappable 1G SFP transceiver is ideal for Internet Service Provider (ISP) Gigabit Ethernet communication links, Enterprise LAN & SAN Networks, Data Center LAN & SAN Networks and other optical links.
25G QSFP+
The 25G optical module is an optical module with a transmission rate of 25Gbps, mainly used in 25G Ethernet and 100G (4x25Gbps) Ethernet. The package is SFP28, and its function is for interconnecting servers and switches in data centers.
40G QSFP+
Optical transceiver module solutions offer a full range of QSFP+ modules from 150m to 80km reach, and used for high-density switching,This transceiver is compliant with QSFP+ MSA and IEEE 802.3ba 40GBASE-LR4 and OTU3 C4S1-2D1 standard.
100G QSFP28
SFP28 transceiver provides 25GBase-LR throughput up to 10km over single mode fiber (SMF) using a wavelength of 1310nm via an LC duplex connector. Featuring low power consumption, high speed, this 25G transceiver is ideal for 25G Ethernet, data center, and 5G Wireless Network.
100G QSFP28
SFP-10G-SR compatible SFP+ transceiver supports up to 400m link lengths over 4700MHz*km OM4 MMF (300m over 2000MHz*km OM3 MMF) via an LC duplex connector. This transceiver is compliant with SFF-8431, SFF-8432 and IEEE 802.3ae standards
10G XFP module
10G XFP modules with fiber optics allow customers to utilize an XFP 10 Gigabit port on an existing piece of hardware to send either multi-mode data up to 300M or single-mode data up to 80Km over a fiber-optic link.Every device in this collection features a high-performing。
10Gb/s serial optical interface compli-ant to 802.3ae 10GBASE-LR, single icconnector for bi-directional applica-tion, over 10km SMF
