TN-QSFP-100G Series

Cisco Compliant 100G QSFP28
QSFP28 100GBase-X With DMI

Lantronix TN-QSFP-100G Series QSFP28 optical transceivers are hot-swappable pluggables that can be installed in any QSFP28 port for 100 Gigabit Ethernet connections. The new generation of 100G transceiver solutions, which are compliant with the IEEE 802.3bm standard, offer customers a wide selection of high-density, compact footprint and low-power 100G Ethernet connectivity options.

Application includes: data center, high-performance computing network, core network

NDAA Compliant

TN-QSFP-100G Series Overview


  • Hot-pluggable QSFP28 form factor
  • High capacity: up to 103.1 Gbps
  • QSFP28 MSA Compliant
  • Single 3.3V Power Supply
  • Power dissipation < 3.5 Watts
  • RoHS Compliant
  • Digital Diagnostic Monitoring
  • 100GBase-SR4: 4 x 25 Gbps, 850nm, Multimode, 100 m over OM4, MPO
  • 100GBase-LR4: 4 x 25 Gbps, WDM wavelength, Single Mode, 10 km, Duplex LC
  • 100GBase-CWDM4 MSA: 4 x 25Gbps, WDM wavelength, Single Mode, 2 km, Duplex LC

TN-QSFP-100G Series Tech Specs


  • IEEE 802.3bm
  • SFF 8436


  • Width: 0.71” [18 mm]
  • Depth: 2.83” [72 mm]
  • Height: 0.33” [8.5 mm]

Power Input

  • 3.3V


  • Operating: 0°C to +70°C
  • Storage: -40°C to +85°C


  • IEC 60825-1, FDA CDRH 21-CFR 1040.10 Class 1


  • Lifetime

TN-QSFP-100G Series Downloads

Additional Product Information

Note: Some Documentation may have Transition Networks named or pictured. Transition Networks was acquired by Lantronix in August 2021. Learn more about the acquisition here.

Lantronix Part # Name Description Order Now
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Lantronix Part #
TN-QSFP-100G Series

QSFP28 100GBase-SR4, 850nm multimode (MPO) [100 m/328 ft. on OM4] [70 m/229 ft. on OM3] with DMI Link Budget: 2.3 dB

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Lantronix Part #
TN-QSFP-100G Series

QSFP28 100GBase-LR4, 1295nm, 1300nm,1304nm, 1309nm, single mode (LC) [10 km/6.2 mi.] with DMI Link Budget: 6.3 dB

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Lantronix Part #
TN-QSFP-100G Series

QSFP28 100GBase-LR4, 1295nm, 1300nm,1304nm, 1309nm, single mode (LC) [2 km/1.2 mi.] with DMI Link Budget: 6.3 dB

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