Model Number: CFP-40G-SR4 Brand Name: MARSTARS Key Specifications/Special Features: The Marstars Technologies QSFP-MP400-SR4 is a Four-Channel, Pluggable, Parallel, Fiber-Optic QSFP+ Transceiver for 40 Gigabit Ethernet Applications. This transceiver is a high performance module for short-range multi-lane data communication and interconnect applications. It integrates four data lanes in each direction with 40 Gbps bandwidth. Each lane can operate at 10.3125 Gbps up to 100 m using OM3 fiber or 150 m using OM4 fiber.These modules are designed to operate over multimode fiber systems using a nominal wavelength of 850nm. The electrical interface uses a 38 contact edge type connector. The optical interface uses an 12 fiber MTP (MPO) connector. This module incorporates Marstars Technologies proven circuit and VCSEL technology to provide reliable long life, high performance, and consistent service.Applications40GBASE-SR4 40G EthernetDatacom/Telecom switch & router connectionsdata aggregation and backplane applicationsproprietary protocol and density applicationsInfiniband transmission at 4ch SDR, DDR and QDR