QSFP28 to SFP28 QSA Adapter 100G to 25G Converter Module

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QSFP28 100G to SFP28 25G Adapter Converter Module

The CVR-QSFP28-SFP28 is an adapter that provides the option to connect an SFP28/SFP+/SFP transceiver or cable to a QSFP28 port of a Nx100GbE switch or Network Interface Card (NIC). The RF (high speed data) channel of the SFP28 receptacle is connected to lane 1 of the QSFP28 connector. The three remaining RF channels on the QSFP+ connector are not connected. The adapter has a QSFP+ form factor with a receptacle for a SFP+ transceiver, an Active Optical Cable (AOC) or a Direct Attach Cable (DAC) connector.

Product Features

  • Max. Power Consumption 1.5W Without Module
  • Use SFP28 in QSFP28 Port of Your Device
  • Tested in Targeted Switches for Superior Performance, Quality, and Reliability
  • Works out of the Box, No Configuration Needed
  • Hot Pluggable QSFP28 MSA Form Factor
  • I²C Read Port Information from SFP28 Port Module

Product Specifications

Part Number CVR-QSFP28-SFP28 Vendor Name LightOptics®
Form Factor QSFP28 Max Data Rate 25Gbps
Connector SFP28 Power Consumption ≤1.5W Without Module
Protocols QSFP28 MSA SFF-8665, SFP28 MSA SFF-8432 Operation Temperature 0 to 70°C (32 to 158°F)


Worldwide FREE Shipping on orders over US$179

We offer FREE shipping on orders over US$179 WORLDWIDE by FedEx, DHL or UPS! We ship orders Monday through Friday from our warehouses. Most of the orders will be processed and shipped within 1~2 business days, excluding some custom items. The specific shipping time varies on the destination, shipping service you choose, and customs clearance. If you have a strict delivery time requirement, you may contact the sales representative before your purchase, and we will recommend you an appropriate shipping method. According to shipping methods, delivery time around the world is estimated as follows:

  • FedEx Estimated 3-6 business days
  • DHL Estimated 3-6 business days
  • UPS Estimated 3-6 business days

Extended 30-day, no-questions-asked Return Policy

We have a 30-day, no-questions-asked return policy for all of our products. If you aren’t satisfied, please contact our team within 30 days of receipt for a refund or replacement. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original and unopened packaging. To initiate a return please contact our customer success team who will issue an RMA number and provide return shipping instructions.

How to Track your orders

Once your package leaves our warehouse, we'll send you a shipment notification email. This email includes the carrier name, tracking number, shipping date and items' details. You can click the tracking number to track your package on the carrier's website, like DHL, FedEx or UPS.

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