{"id":5375,"date":"2025-08-20T00:00:00","date_gmt":"2025-08-20T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/100g-swdm4-vs-100g-sr4-data-center-transceiver-choice\/"},"modified":"2026-05-25T09:14:50","modified_gmt":"2026-05-25T09:14:50","slug":"100g-swdm4-vs-100g-sr4-data-center-transceiver-choice","status":"publish","type":"post","link":"https:\/\/lp.szlogic.cn\/ru\/knowledge-center\/100g-swdm4-vs-100g-sr4-data-center-transceiver-choice","title":{"rendered":"QSFP28 100G SWDM4 vs SR4: The Ultimate Guide for Your Data Center"},"content":{"rendered":"\n
\"100G<\/figure>\n\n\n\n

In the high-stakes world of data center architecture, upgrading to 100G Ethernet is no longer a question of “if” but “how.” Choosing the right optical transceiver is a critical decision that impacts your network’s performance, scalability, and total cost of ownership (TCO). Two of the most popular contenders for short-reach 100G applications are the QSFP28 100G SR4<\/strong><\/a> and the QSFP28 100G SWDM4<\/strong><\/a>.<\/p>\n\n\n\n

At first glance, they achieve the same goal, but their underlying technology leads to vastly different real-world implications. This guide will demystify these two technologies, providing a clear, side-by-side comparison to help you, the network professional, make an informed decision. We’ll also highlight how LINK-PP<\/strong><\/a>‘s reliable and high-performance optics can be the optimal solution for your infrastructure.<\/p>\n\n\n\n

📝 Breaking Down the Basics: SR4 vs. SWDM4<\/strong><\/h2>\n\n\n\n

First, let’s understand what these acronyms mean and the core technology behind each standard.<\/p>\n\n\n\n

🤔 What is QSFP28 100G SR4?<\/strong><\/h4>\n\n\n\n