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How fast are 1G SFP ports?
Knowledge Base + 2024.01.10

1G SFP (Small Form-Factor Pluggable) ports support data rates of 1 Gigabit per second (Gbps). These ports are commonly used in networking equipment, such as switches, routers, and network interface cards, to provide 1 Gigabit Ethernet connectivity.

The 1G SFP transceivers are used to interface with optical fiber or copper cables, depending on the specific type of SFP module used. For example:

  1. 1GBASE-SX: Uses multimode fiber (MMF) and typically supports distances up to 550 meters.

  2. 1GBASE-LX: Uses single-mode fiber (SMF) and can support longer distances, typically up to 10 kilometers.

  3. 1GBASE-T: Uses twisted-pair copper cables (Cat 5e, Cat 6, or Cat 6a) and supports shorter distances, usually up to 100 meters.

These 1G SFP ports provide a common and widely used standard for achieving 1 Gigabit Ethernet speeds in various networking environments. It's important to note that while 1G SFP ports are prevalent, higher-speed standards like 10 Gigabit Ethernet (10GbE) and 25 Gigabit Ethernet (25GbE) are also widely used in modern networks to meet the increasing demand for higher data transfer rates.