{"id":22084,"date":"2026-03-19T05:38:13","date_gmt":"2026-03-19T05:38:13","guid":{"rendered":"https:\/\/www.tarluz.com\/?p=22084"},"modified":"2026-03-19T05:38:13","modified_gmt":"2026-03-19T05:38:13","slug":"400g-qsfp-dd-optical-module-qa","status":"publish","type":"post","link":"https:\/\/www.tarluz.com\/es\/faq\/400g-qsfp-dd-optical-module-qa\/","title":{"rendered":"400G QSFP-DD Optical Module Q&#038;A"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22085 \" src=\"https:\/\/www.tarluz.com\/wp-content\/uploads\/2026\/03\/400G-QSFP-DD.png\" alt=\"\" width=\"283\" height=\"182\" srcset=\"https:\/\/www.tarluz.com\/wp-content\/uploads\/2026\/03\/400G-QSFP-DD.png 646w, https:\/\/www.tarluz.com\/wp-content\/uploads\/2026\/03\/400G-QSFP-DD-300x193.png 300w\" sizes=\"auto, (max-width: 283px) 100vw, 283px\" \/><\/p>\n<p class=\"ds-markdown-paragraph\">Q: Can a 400G QSFP-DD optical module be inserted into an OSFP port?<\/p>\n<p class=\"ds-markdown-paragraph\">A: No, it cannot. This is because the packaging structures and dimensions of QSFP-DD and OSFP are different. For example, QSFP-DD uses a Quad Small Form-factor Pluggable Double Density design, while OSFP uses an Octal Small Form-factor Pluggable design. Additionally, the OSFP package is larger than the QSFP-DD package, making them incompatible.Furthermore, it is important to note that if your network devices are all QSFP-DD packaged, you must use QSFP-DD optical modules, QSFP-DD DAC, or QSFP-DD AOC.<\/p>\n<p class=\"ds-markdown-paragraph\">Q: Can a 100G QSFP28 optical module be inserted into a QSFP-DD port?<\/p>\n<p class=\"ds-markdown-paragraph\">A: Yes, it can. This is because the QSFP-DD package is backward compatible. Therefore, you can configure the QSFP-DD port to 100G and insert a 100G QSFP28 optical module for transmission. In this case, the link transmission rate will be 100G.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q: Can a 400G QSFP-DD optical module be inserted into an OSFP port? A: No, it cannot. This is because the packaging structures and dimensions of QSFP-DD and OSFP are different. For example, QSFP-DD uses a Quad Small Form-factor Pluggable Double Density design, while OSFP uses an Octal Small Form-factor Pluggable design. Additionally, the OSFP [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":22085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1716],"tags":[],"class_list":["post-22084","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>400G QSFP-DD Optical Module Q&amp;A - TARLUZ - FIBER OPTIC SUPPLIERS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tarluz.com\/es\/faq\/400g-qsfp-dd-optical-module-qa\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"400G QSFP-DD Optical Module Q&amp;A\" \/>\n<meta property=\"og:description\" content=\"Q: Can a 400G QSFP-DD optical module be inserted into an OSFP port? A: No, it cannot. This is because the packaging structures and dimensions of QSFP-DD and OSFP are different. For example, QSFP-DD uses a Quad Small Form-factor Pluggable Double Density design, while OSFP uses an Octal Small Form-factor Pluggable design. Additionally, the OSFP [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tarluz.com\/es\/faq\/400g-qsfp-dd-optical-module-qa\/\" \/>\n<meta property=\"og:site_name\" content=\"TARLUZ - FIBER OPTIC SUPPLIERS\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-19T05:38:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tarluz.com\/wp-content\/uploads\/2026\/03\/400G-QSFP-DD.png\" \/>\n\t<meta property=\"og:image:width\" content=\"646\" \/>\n\t<meta property=\"og:image:height\" content=\"415\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Blog_TARLUZ\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Blog_TARLUZ\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.tarluz.com\\\/es\\\/faq\\\/400g-qsfp-dd-optical-module-qa\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.tarluz.com\\\/es\\\/faq\\\/400g-qsfp-dd-optical-module-qa\\\/\"},\"author\":{\"name\":\"Blog_TARLUZ\",\"@id\":\"https:\\\/\\\/www.tarluz.com\\\/es\\\/#\\\/schema\\\/person\\\/a3790181c300d3d675e8bc5311f4d796\"},\"headline\":\"400G QSFP-DD Optical Module Q&#038;A\",\"datePublished\":\"2026-03-19T05:38:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.tarluz.com\\\/es\\\/faq\\\/400g-qsfp-dd-optical-module-qa\\\/\"},\"wordCount\":152,\"image\":{\"@id\":\"https:\\\/\\\/www.tarluz.com\\\/es\\\/faq\\\/400g-qsfp-dd-optical-module-qa\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.tarluz.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/400G-QSFP-DD.png\",\"articleSection\":[\"FAQ\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.tarluz.com\\\/es\\\/faq\\\/400g-qsfp-dd-optical-module-qa\\\/\",\"url\":\"https:\\\/\\\/www.tarluz.com\\\/es\\\/faq\\\/400g-qsfp-dd-optical-module-qa\\\/\",\"name\":\"400G QSFP-DD Optical Module Q&A - 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