Cisco SFP-25G-SR-S= 25GBASE-SR SFP Module

The Cisco SFP-25G-SR-S= is a 25GBASE-SR SFP28 transceiver module designed for 25-Gigabit Ethernet deployments in data centres and enterprise networks. It provides IEEE-compliant high-speed connectivity for short-reach multimode fibre links and supports interoperability with other IEEE 802.3by and IEEE 802.3cc devices.

Advantages

The module offers a compact SFP28 form factor with low typical power consumption (about 1.2 W) and a maximum data rate of 25,000 Mbit/s, enabling high-density port configurations and efficient power usage in rack-mounted switches and servers. It includes a standard 5-year warranty, providing predictable product support and lifecycle expectations for network planners.

Suitable for

• Short-reach 25 Gigabit Ethernet links over multimode fibre in data centres
• High-density switch and server uplinks requiring SFP28 modules
• Enterprise network aggregation and top-of-rack connectivity

Key specifications

• Brand: Cisco
• Model / MPN: SFP-25G-SR-S=
• Form factor / Interface type: SFP28
• Standard: IEEE 802.3by / IEEE 802.3cc compliant
• Maximum data transfer rate: 25,000 Mbit/s
• Typical power consumption: 1.2 W
• EAN: 0882658944048
• Warranty: 5 years (standard)

How to use

Install the SFP-25G-SR-S= module into an SFP28-compatible port on a switch or server according to the host device’s hot-swap guidance. Connect appropriate multimode fibre patch cords and verify link status via the host device management interface. Ensure the transceiver is used within the specified environmental and optical budgets of the equipment and fibre plant.

Recommendations

Use this SFP28 25GBASE-SR module for short-distance multimode fibre connections in controlled data centre environments; verify compatibility with the host device firmware and follow Cisco or equipment vendor guidance for supported transceivers.