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Optics Transceivers | SFP Modules
10/25/40G/100G Transceiver Modules
50G QSFP28/SFP56

50G QSFP28/SFP56

Shop LINK-PP compatible 50G optics in QSFP28 and SFP56 form factors for 50GbE and breakout-oriented links. This category is intended for MSA-aligned 50GBASE modules—SR and LR style reaches and related SKUs—coded for major switch platforms as Compatible PNs come online. Start from the parent optics hub when you still need 25G, 100G, or 200G planning, or open a Cisco compatible PN when the OEM part number is already known. Match host cage, fiber type, connector, and rated reach on each product page before ordering.

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Frequently asked questions

01.Which 50G form factors does this category cover?
This store is the LINK-PP home for compatible 50G QSFP28 and SFP56 modules aimed at 50 Gigabit Ethernet and related interconnects. Catalog depth is still growing—use on-page filters when more SKUs appear, or return to the parent optics hub for 25G / 100G alternatives while you plan.
02.How do 50G QSFP28 and SFP56 differ?
SFP56 is a single-lane 50G (typically 50G PAM4) SFP-shaped module for hosts with SFP56 cages. QSFP28 packages can also carry 50G optics (for example single-lambda LR1-style SKUs) when the host and optic are specified for 50G operation. Always match the module form factor and signaling to the host port datasheet—do not assume a 100G QSFP28 cage accepts every 50G SKU.
03.When should I choose 50G vs 100G for new builds?
Choose 50G when your ToR or NIC roadmap is 50GbE-native or when you need a specific 50G breakout pattern. Prefer 100G QSFP28 when the fabric is already 100G-centric and optics/cabling are standardized on SR4/CWDM4/DR/LR4. Cross-check switch ASIC port modes and FEC requirements before mixing 50G and 100G on the same leaf.
04.Are LINK-PP 50G modules coded for major OEM platforms?
Compatible PNs are EEPROM-coded for the target OEM when a branded SKU is listed. Browse the Cisco compatible hub (or Arista / Juniper / NVIDIA hubs) and open the PDP that lists your switch part number. If only an MSA/LINK-PP PN is listed today, confirm host allow-lists before deployment.
05.Do LINK-PP 50G optics support DOM and host FEC?
Optical 50G SKUs typically support digital optical monitoring (DOM/DDM) per the datasheet, and PAM4 50G links generally 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—do not assume warranty terms beyond what the PDP states.

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