Enter your Service Tag, express service code or EMC product ID to check on your warranty status, additional coverage options such as accidental damage or complete care and learn about your Dell warranty. See options for your region if you need more help. Check your Apple warranty status. QSFP-DD (also called QSFP56-DD) stands for Quad Small Form Factor Pluggable Double Density, which is fully compliant with IEEE802. The “double density” means the doubling of the number of high-speed electrical interfaces that the module supports compared with a. The Cisco® 100GBASE CFP2 modules offer customers 100 Gigabit Ethernet connectivity options for data center networking, enterprise core aggregation, and service provider transport applications. The Cisco 100GBASE-ER4 (Figure 1) CFP2 module can support link lengths up to 40 kilometers on standard. Various high-speed transceiver types are on the market, including SFP+, SFP28, QSFP+, QSFP28, QSFP56, QSFP112, QSFP-DD, OSFP, etc. What are the differences between them? In this post, we'll explore the key differences between those optical transceivers and help you choose the right one.
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