For more information about Cisco 25GBASE SFP28 optics and copper modules, contact your sales representative or visit https://www.cisco.com/site/us/en/products/networking/optics-transceiver-modules/index.html
The Cisco® 25GBASE SFP28 (Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 25 Gigabit Ethernet connectivity options for data center and high-performance computing networks applications. The 25G Modules are based on SFP28 form factor.