QSFP-40G-CSR4 Optical Transceiver Module Optical Modules QSFP 4x10GBASE-SR Product Details Features and benefits of Cisco QSFP 40G modules Optical Transceiver Module QSFP-40G-CSR4: Hot-swappable input/output device that plugs into a 40 Gigabit Ethernet Cisco QSFP port Interoperable with other IEEE-compliant 40GBASE interfaces where applicable Cisco QSFP-40G-CSR4 Certified and tested on Cisco QSFP 40G ports for superior performance, quality, and reliability High-speed electrical interface compliant to the IEEE 802.3ba standard QSFP Form factor, 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF 8436 and QSFP Multisource Agreement (MSA) Compare to Similar Items Product Code QSFP-40G-CSR4 QSFP-40G-CSR-S= Description Cisco 40GBASE-CSR4 QSFP Module for MMF Cisco 40GBASE-CSR QSFP Module for Duplex MMF Dimensions 13.5 x 18.4 x 72.4 mm 13.5 x 18.4 x 72.4 mm Wavelength (nm) 850 850 Cable Type MMF MMF Core Size (microns) 50.0 50.0 50.0 50.0 Modal Bandwidth (MHz-km) 500 (OM2) 2000 (OM3) 4700 (OM4) 2000 (OM3) 4700 (OM4) Cable Distance 82m 300m 400m 300m 400m Power Consumption (W) 1.5 3.5 Pull Tab Color Orange Orange