The IEEE 802.3ba committee ratified the 40 Gigabit Ethernet standard and along with the general specification, defined a number of fiber optic interfaces. These standard interfaces attempted to satisfy a number of different objectives including support for MMF and SMF compatibility. Manufacturer: Extreme Networks, Inc. Manufacturer Part Number: 10320. Brand Name: Extreme Networks. Product Name: 40GBASE-LR4 QSFP+. Product Type: QSFP+. [Technical Information] Application/Usage: Data Networking. Optical Network. [Interfaces/Ports] Interfaces/Ports Details: 1 x LC 40GBase-LR4 Network. [Media & Performance] Media Type Supported: Optical Fiber. Fiber Mode Supported: Single-mode. Ethernet Technology: 40 Gigabit Ethernet. Network Technology: 40GBase-LR4. Maximum Data Transfer Rate: 40 Gbit/s. [Physical Characteristics] Height: 0.5". Width: 0.7". Depth: 2.8". Weight (Approximate): 1.60 oz. [Miscellaneous] Compatibility: Extreme Networks Products:Summit X670 Series - VIM4-40GX ModuleSummit X650 Series - VIM3-40GX ModuleSummit X480 Series - XGM2-2xf ModuleBlackDiamond 8800 SeriesBlackDiamond X8 Series. Environmentally Friendly: Yes. Environmental Certification: RoHS-6. China RoHS. WEEE.