
Key specs
All specifications- SKU
- QSFP-40G-LR4-S
Description
Cisco 40GBASE-LR4 QSFP Module for SMF. Confirm compatibility with the exact target device and software release using the manufacturer compatibility matrix.
No specifications available for this product.
Before you order
Compare the rangeSee all sfp transceiversSFP, SFP+ and QSFP fibre transceiver modules for switch and router uplinks. Single-mode and multi-mode optics matched to distance — EU delivery from FUSE.Brand guideCisco Wi-Fi 7 Access Points: CW9176I, CW9178I, CW9172I and the CW9800M ControllerBrand comparisonUbiquiti vs Cisco: Which Should You Buy in 2026?
