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What is the maximum bandwidth of SFP?
Knowledge Base + 2024.01.09

The term "SFP" (Small Form-Factor Pluggable) typically refers to a compact, hot-swappable transceiver module commonly used in networking and telecommunications equipment. The maximum bandwidth of an SFP module is determined by its data rate, which can vary based on the specific type and generation of the SFP module.

Here are some common SFP variants and their associated maximum data rates or bandwidths:

  1. SFP (1G):

    • Maximum Data Rate: 1 gigabit per second (Gbps)

    • Typical Use: Fast Ethernet (1000BASE-T, 1000BASE-SX, etc.)

  2. SFP+ (10G):

    • Maximum Data Rate: 10 gigabits per second (Gbps)

    • Typical Use: 10 Gigabit Ethernet (10GBASE-T, 10GBASE-SR, 10GBASE-LR, etc.)

  3. SFP28 (25G):

    • Maximum Data Rate: 25 gigabits per second (Gbps)

    • Typical Use: 25 Gigabit Ethernet

  4. SFP56 (50G):

    • Maximum Data Rate: 50 gigabits per second (Gbps)

    • Typical Use: 50 Gigabit Ethernet

  5. SFP-DD (100G):

    • Maximum Data Rate: 100 gigabits per second (Gbps)

    • Typical Use: 100 Gigabit Ethernet

It's important to note that the data rate or bandwidth mentioned here refers to the maximum speed at which the SFP module can transmit and receive data. The actual performance may also depend on factors such as the quality of the optical components, the type of fiber optic cable used, and the specific implementation in a given network environment.

When selecting SFP modules for a particular application, it's essential to match the data rate of the SFP with the capabilities of the networking equipment and ensure compatibility with the network infrastructure. Always refer to the datasheet or specifications provided by the SFP module manufacturer for accurate information on supported data rates and maximum bandwidth.