Cisco 10/25GBASE-CSR Dual Rate SFP28 Multimode Optical Module SFP-10/25G-CSR-S=

The Cisco SFP-10/25G-CSR-S= is a dual-rate SFP28 optical transceiver that delivers flexible 10G and 25G Ethernet connectivity over multimode fiber. This hot-swappable module supports transmission distances up to 100 meters on OM4 fiber, making it ideal for high-density data center applications. Key features include auto-negotiation between 10GBASE-SR and 25GBASE-SR speeds, low power consumption, digital diagnostics monitoring, and Cisco quality assurance with TAA compliance. The module enables seamless network upgrades from 10G to 25G without infrastructure changes, reduces inventory complexity through dual-rate functionality, and provides reliable short-reach connectivity for spine-leaf architectures, server connections, and storage networks. Its compact SFP28 form factor maximizes port density while ensuring compatibility with Cisco switching and routing platforms.