Brand: Various/Compatible (Often marketed as compatible with Cisco/Nokia) · SKU: QSFP-40G-LR · MPN: Not Available · Category: Networking
A QSFP+ transceiver module designed for 40Gbps optical communication over single-mode fiber (SMF). It typically supports distances up to 10km using LC duplex connectors and operates using WDM technology across four lanes, compatible with standards like 40GBASE-LR4 or similar specifications. Many third-party versions are explicitly designed to be 100% compatible with Cisco QSFP-40G-LR4 modules.
| Data Rate | 40 Gbps aggregate (up to 11.2Gbps per channel) |
|---|---|
| Media Type | Single-Mode Fiber (SMF) |
| Wavelength | 1270nm to 1330nm (CWDM 4 Channels) |
| Diagnostics | DDM/DOM Supported |
| Connector Type | LC Duplex |
| Maximum Distance | 10 km (6.2 mi) |
| Power Consumption | Typically < 2.5W to 3.5W |
| Standard Compliance | 40GBASE-LR4, IEEE 802.3ba, QSFP+ MSA, SFF-8436 |
| Operating Temperature | Commercial: 0 to 70°C |
| Warranty | Varies by vendor, often lifetime warranty for compatible modules |
| Weight | Not Available |
| Dimensions | Approx. 13.5 x 18.4 x 72.4 mm (for Cisco QSFP-40G-LR4-S equivalent) |
The QSFP-40G-LR is a hot-swappable QSFP+ transceiver module designed for 40 Gigabit Ethernet links over single-mode fiber, extending up to 10 kilometers. It utilizes WDM technology to combine four 10 Gbps channels onto a single fiber pair and typically features an LC duplex connector. Many products sold under this general term are 100% compatible replacements for the Cisco QSFP-40G-LR4 module.
Yes, this QSFP-40G-LR Transceiver (Compatible/Generic) (QSFP-40G-LR) is 100% genuine Various/Compatible (Often marketed as compatible with Cisco/Nokia) hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This QSFP-40G-LR Transceiver (Compatible/Generic) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the QSFP-40G-LR.