The Cisco 25GBASE SFP28 (Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density & low-power 25 Gigabit Ethernet connectivity options for data center & high-performance computing networks applications. The 25G Modules are based on SFP28 form factor. Features & Benefits of Cisco 25G Modules &9679; Interoperable with other IEEE-compliant 25G interfaces where applicable &9679; Certified & tested on Cisco SFP28 ports for superior performance, quality, & reliability &9679; High-speed electrical interface compliant to IEEE 802.3by