
SFPs / Transceivers
TN-QSFP-40G Series
Genuine TN-QSFP-40G Series hardware from an authorized Lantronix partner — full manufacturer warranty, live distributor availability, and configuration support from our US-based team.
5 configurations
From $266.87
Configure & order
Find your TN-QSFP-40G Series part number
Every orderable TN-QSFP-40G Series configuration, filtered by the specs that actually differ between them. Pick what you need on the left and the matching part numbers appear here.
Every modelForm Factor QSFP+Data Rate 40 GbpsMedia FiberOperating Temperature Commercial (0 °C and warmer)

TN-QSFP-40G-LR4
Single-modeMedium reach (2–10 km)Up to 10 km1271 nm1291 nm
$1,031.69
Ships on backorder

TN-QSFP-40G-SR4
MultimodeShort reach (≤ 1 km)Up to 400 m850 nmMPO
$266.87
Ships on backorder

TN-QSFP-40G-SR-BD
MultimodeShort reach (≤ 1 km)Up to 150 m850 nm900 nm
$490.89
Ships on backorder

TN-QSFP-40G-IR4
Single-modeMedium reach (2–10 km)Up to 2 km1271 nm1291 nm
$747.01
Ships on backorder

TN-QSFP-40G-LR4-3
Single-modeLong reach (20–40 km)Up to 30 km1271 nm1291 nm
$1,600.72
Ships on backorder



