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Optics Transceivers | SFP Modules
10/25/40G/100G Transceiver Modules
100G QSFP28/SFP-DD

100G QSFP28/SFP-DD

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Frequently asked questions

01.Which 100G form factors does this category cover?
This store lists LINK-PP compatible 100G QSFP28 and SFP-DD modules for 100 Gigabit Ethernet and related interconnects. Use the on-page filters to narrow by reach and type, or return to the parent optics hub when you still need 1G–40G rates.
02.How do I choose SR4 vs CWDM4 vs DR vs LR4 for 100G?
Match media and distance first: SR4 for short multimode (typically up to about 100 m on OM4 with MPO-12), CWDM4 for about 2 km duplex LC single-mode, DR (single-lambda) for about 500 m duplex LC single-mode, and LR4 for about 10 km duplex LC single-mode. Confirm wavelength plan, connector polish, and power class on the product page so the optic fits your fiber plant.
03.Can I break out a 100G QSFP28 into 4×25G?
Many QSFP28 SR4 / PSM4 / parallel optics support 4×25G breakout with the correct MPO harness and host port mode; duplex CWDM4 / LR4 / DR optics do not break out the same way. Check the switch CLI capability and the PDP breakout notes before you order fan-out cables.
04.Are these 100G modules coded for Cisco, Arista, Juniper, and NVIDIA?
Yesselect the Compatible PN that matches your OEM platform. LINK-PP 100G modules follow MSA electrical/optical specs and are EEPROM-coded for the target brand. Browse the Cisco compatible hub (or Arista / Juniper / NVIDIA hubs) and open the PDP that lists your switch part number.
05.Do LINK-PP 100G optics support DOM?
Most optical 100G SKUs support digital optical monitoring (DOM/DDM) for temperature, voltage, and Tx/Rx power per the datasheet. Confirm DOM support, temperature range, FEC expectations where applicable, and rated reach on the individual product page before you order.

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