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Optics Transceivers | SFP Modules
200/400/800G Transceiver Modules
200G QSFP-DD/QSFP56

200G QSFP-DD/QSFP56

Shop LINK-PP compatible 200G optics in QSFP56 and QSFP-DD form factors for data-center and AI fabric links. This category groups MSA-aligned 200G modules—SR4, 2×SR4, FR4, LR4, and related reaches—coded for Cisco, Arista, Dell, H3C, and other major platforms. Start from the parent optics hub when you still need 100G or 400G planning, or open a Cisco compatible PN when the OEM part number is already known. Match host cage (QSFP56 vs QSFP-DD), fiber type, connector (MPO vs duplex LC), and rated reach on each product page before ordering.

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Frequently asked questions

01.Which 200G form factors does this category cover?
This store lists LINK-PP compatible 200G QSFP56 and QSFP-DD modules for 200 Gigabit Ethernet and related interconnects. Use on-page filters to narrow by form factor and reach, or return to the parent optics hub when you still need 100G or 400G rates.
02.How do I choose SR4 vs FR4 vs LR4 vs 2×SR4 for 200G?
Match media and distance first: SR4 for short multimode (typically about 100 m on OM4 with MPO-12), FR4 for about 2 km duplex LC single-mode with PAM4 lanes, LR4 for about 10 km duplex LC single-mode, and 2×SR4 QSFP-DD variants when your host expects dual 100G SR4 breakouts in one cage. Confirm lane signaling (NRZ vs PAM4), connector, and power class on the product page.
03.What is the difference between QSFP56 and QSFP-DD for 200G?
QSFP56 carries 200G with four electrical lanes (typically 50G PAM4) in a QSFP-shaped cage common on many 200G Ethernet ports. QSFP-DD is a double-density package that can host 200G SKUs such as 2×100G SR4 in platforms that expose QSFP-DD cages. Always match the module form factor to the host port—adapters are SKU-specific.
04.Are these 200G modules coded for Cisco, Arista, and other OEMs?
Yes—select the Compatible PN that matches your OEM platform. LINK-PP 200G modules follow MSA electrical/optical specs and are EEPROM-coded for the target brand. Browse the Cisco compatible hub (or other brand hubs) and open the PDP that lists your switch part number.
05.Do LINK-PP 200G optics support DOM and host FEC?
Most optical 200G SKUs support digital optical monitoring (DOM/DDM) for temperature, voltage, and Tx/Rx power per the datasheet. PAM4 200G links typically rely on host FEC as specified by IEEE / MSA for the optic type—check the individual PDP for DOM support, FEC expectations, temperature range, and rated reach before you order.

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