CISCO
CISCO QSFP-40G-CSR4 QSFP 4x10GBASE-SR Transceiv
Mfg Part Number: QSFP-40G-CSR4 , Item #: 1593093
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Price: $2,950.28
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Last Updated: Jun 25, 2025
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The Cisco 40GBASE-CSR4 QSFP+ Module is similar to the 40GBASE-SR4 interface extends supported link lengths to 300m and 400m respectively on laser-optimized OM3 and OM4 multimode fiber cables. Each 10-gigabit lane of this module is compliant to IEEE 10GBASE-SR specifications. This module can be used for native 40G optical links over 12-fiber ribbon cables with MPO/MTP connectors, or in 4x10G mode with ribbon to duplex fiber breakout cables for connectivity to four 10GBASE-SR interfaces. Maximum channel insertion loss allowed is respectively 2.6dB over 300m of OM3 cable or 2.9dB over 400m of OM4 cable.
Main Specification
| General Information | |
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | QSFP-40G-CSR4 |
| Manufacturer Website Address | http://www.cisco.com |
| Brand Name | Cisco |
| Product Model | QSFP-40G-CSR4 |
| Product Name | 40GBASE-CSR4 QSFP+ Module for MMF |
| Product Type | QSFP+ |
| Technical Information | |
| Application/Usage | Data Networking |
| Application/Usage | Optical Network |
| Interfaces/Ports | |
| Total Number of Ports | 1 |
| Connector Type | MTP |
| Interfaces/Ports Details | 1 x MTP 40GBase-CSR4 Network |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Multi-mode |
| Ethernet Technology | 40 Gigabit Ethernet |
| Network Technology | 40GBase-CSR4 |
| Physical Characteristics | |
| Height | 0.5" |
| Width | 0.7" |
| Depth | 2.9" |
| Miscellaneous | |
| Compatibility | Cisco Nexus 3000 Series Switches |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | 90 Day |
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
