{"id":11683,"date":"2024-11-22T12:03:56","date_gmt":"2024-11-22T04:03:56","guid":{"rendered":"https:\/\/mvslinks.com\/?p=11683"},"modified":"2024-11-22T12:08:17","modified_gmt":"2024-11-22T04:08:17","slug":"qsfp28-vs-qsfp56-whats-the-difference","status":"publish","type":"post","link":"https:\/\/mvslinks.com\/ru\/%d0%bd%d0%be%d0%b2%d0%be%d1%81%d1%82%d0%b8\/%d0%b1%d0%bb%d0%be%d0%b3\/qsfp28-vs-qsfp56-whats-the-difference\/","title":{"rendered":"QSFP28 VS QSFP56 : What&#8217;s the Difference?"},"content":{"rendered":"<p><span style=\"font-weight: 400\">As a member of the QSFP package family, the QSFP28 and QSFP56 packages play an important role in their respective fields. But because of technology, cost and other reasons, do you still have some confusion in the purchase process? Now follow us to explore the differences: QSFP28 VS QSFP56 packages.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u041e\u0433\u043b\u0430\u0432\u043b\u0435\u043d\u0438\u0435<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mvslinks.com\/ru\/%d0%bd%d0%be%d0%b2%d0%be%d1%81%d1%82%d0%b8\/%d0%b1%d0%bb%d0%be%d0%b3\/qsfp28-vs-qsfp56-whats-the-difference\/#QSFP28_VS_QSFP56_Performance_comparison\" >QSFP28 VS QSFP56: Performance comparison<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mvslinks.com\/ru\/%d0%bd%d0%be%d0%b2%d0%be%d1%81%d1%82%d0%b8\/%d0%b1%d0%bb%d0%be%d0%b3\/qsfp28-vs-qsfp56-whats-the-difference\/#QSFP28_VS_QSFP56_Application_Comparison\" >QSFP28 VS QSFP56: Application Comparison<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mvslinks.com\/ru\/%d0%bd%d0%be%d0%b2%d0%be%d1%81%d1%82%d0%b8\/%d0%b1%d0%bb%d0%be%d0%b3\/qsfp28-vs-qsfp56-whats-the-difference\/#QSFP28_vs_QSFP56_Cost_Comparison\" >QSFP28 vs QSFP56: Cost Comparison<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mvslinks.com\/ru\/%d0%bd%d0%be%d0%b2%d0%be%d1%81%d1%82%d0%b8\/%d0%b1%d0%bb%d0%be%d0%b3\/qsfp28-vs-qsfp56-whats-the-difference\/#Tips_Configuration_Flexibility\" >Tips: Configuration Flexibility<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mvslinks.com\/ru\/%d0%bd%d0%be%d0%b2%d0%be%d1%81%d1%82%d0%b8\/%d0%b1%d0%bb%d0%be%d0%b3\/qsfp28-vs-qsfp56-whats-the-difference\/#Summary\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"QSFP28_VS_QSFP56_Performance_comparison\"><\/span><span style=\"font-weight: 400\">QSFP28 VS QSFP56: Performance comparison<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">QSFP packaging technology is known as Quad Small Form-factor Pluggable, including QSFP+, QSFP28, QSFP56, and QSFP-DD. T<\/span><span style=\"font-weight: 400\">he QSFP package adopts MSA and IEEE standards to ensure perfect compatibility and high-speed transmission of the module. The QSFP28 optical module is mainly used for 100Gbps transmission rate and has four lanes, each of which has a transmission rate of 25G. The QSFP28 package adopts NRZ modulation technology (Non-Return to Zero), which has advantages in short-distance transmission and is easy to understand. However, its anti-interference ability is weak, and the bandwidth efficiency also shows limitations. Comparatively, the QSFP56 optical module is mainly used for 200Gbps transmission rate with <a href=\"https:\/\/mvslinks.com\/ru\/nrz-vs-pam4-explore-the-difference\/\" target=\"_blank\" rel=\"noopener\">PAM4<\/a> modulation technology (Pulse Amplitude Modulation with 4 Levels). <a href=\"https:\/\/mvslinks.com\/ru\/%d0%bd%d0%be%d0%b2%d0%be%d1%81%d1%82%d0%b8\/%d0%b1%d0%bb%d0%be%d0%b3\/understanding-pam4-enhancing-data-transmission-efficiency\/\">PAM4<\/a> modulation technology adopts more advanced technology, which reflects high bandwidth efficiency, strong anti-interference ability. And it is suitable for long-distance transmission.<\/span><\/p>\n<p><span style=\"font-weight: 400\">The following table shows a comparison of some of the QSFP28 and QSFP56 packages offered by Mvslink:<\/span><\/p>\n<table style=\"height: 639px\" width=\"1215\">\n<tbody>\n<tr>\n<td style=\"text-align: center\"><b>Module<\/b><\/td>\n<td style=\"text-align: center\"><b>\u0424\u043e\u0440\u043c-\u0444\u0430\u043a\u0442\u043e\u0440<\/b><\/td>\n<td style=\"text-align: center\"><b>\u0414\u043b\u0438\u043d\u0430 \u0432\u043e\u043b\u043d\u044b<\/b><\/td>\n<td style=\"text-align: center\"><b>Modulation<\/b><\/td>\n<td style=\"text-align: center\"><b>Distance<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\"><a href=\"https:\/\/mvslinks.com\/ru\/product\/nvidia-infiniband-mma1b00-e100-compatible-qsfp28-100g-sr4-850nm-100m-dom-mpo-12-upc-mmf-edr-optical-transceiver-module-for-sb7800-7890-switches-and-connectx-5-hca\/\" target=\"_blank\" rel=\"noopener\"><b>100G SR4<\/b><\/a><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">QSFP28<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">850 \u043d\u043c<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">4x 25G NRZ<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">100m<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\"><a href=\"https:\/\/mvslinks.com\/ru\/product\/nvidia-infiniband-mma1l10-cr-compatible-qsfp28-100g-lr4-1310nm-10km-dom-duplex-lc-upc-edr-smf-optical-transceiver-module-for-sb7800-7890-switches-and-connectx-5-hca\/\" target=\"_blank\" rel=\"noopener\"><b>100G LR4<\/b><\/a><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">QSFP28<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">1310nm<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">4x 25G NRZ<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">10km<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\"><a href=\"https:\/\/mvslinks.com\/ru\/product\/nvidia-infiniband-mms1c10-cm-compatible-qsfp28-100g-psm4-1310nm-500m-dom-mpo-12-apc-smf-edr-optical-transceiver-module-for-sb7800-7890-switches-and-connectx-5-hca\/\" target=\"_blank\" rel=\"noopener\"><b>100G PSM4<\/b><\/a><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">QSFP28<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">1310nm<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">4x 25G NRZ<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">2km<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\"><a href=\"https:\/\/mvslinks.com\/ru\/product\/extreme-10407-compatible-qsfp28-100gbase-sr-bidi-850nm-100m-dom-duplex-lc-upc-mmf-optical-transceiver-module\/\" target=\"_blank\" rel=\"noopener\"><b>100G SRBD<\/b><\/a><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">QSFP28<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">850nm[Lane Center Wavelengths Range 850nm, 880nm, 910nm and 940nm]<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">4x 25G NRZ<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">100m<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\"><a href=\"https:\/\/mvslinks.com\/ru\/product\/nvidia-infiniband-mma1l30-cm-compatible-qsfp28-100g-cwdm4-1310nm-2km-dom-duplex-lc-upc-smf-edr-optical-transceiver-module-for-sb7800-7890-switches-and-connectx-5-hca\/\" target=\"_blank\" rel=\"noopener\"><b>100G CWDM4<\/b><\/a><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">QSFP28<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">1271nm, 1291nm, 1311nm and 1331nm<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">4x 25G NRZ<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">2km<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\"><a href=\"https:\/\/mvslinks.com\/ru\/product\/cisco-compatible-qsfp28-100gbase-sm4-swdm4-dual-rate-850nm-100m-dom-duplex-lc-upc-mmf-optical-transceiver-module-2\/\" target=\"_blank\" rel=\"noopener\"><b>100G SWDM4<\/b><\/a><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">QSFP28<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">850nm, 880nm, 910nm and 940nm<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">4x 25G NRZ<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">150m<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\"><a href=\"https:\/\/mvslinks.com\/ru\/product\/mellanox-mms1w50-hm-compatible-200gbase-fr4-qsfp56-pam4-1310nm-2km-dom-lc-duplex-infiniband-hdr-transceiver-module-for-smf\/\" target=\"_blank\" rel=\"noopener\"><b>200G SR4<\/b><\/a><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">QSFP56<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">850 \u043d\u043c<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">4x 53.125Gb\/s PAM4<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">100m<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\"><a href=\"https:\/\/mvslinks.com\/ru\/product\/mellanox-mms1w50-hm-compatible-200gbase-fr4-qsfp56-pam4-1310nm-2km-dom-lc-duplex-infiniband-hdr-transceiver-module-for-smf\/\" target=\"_blank\" rel=\"noopener\"><b>200G FR4<\/b><\/a><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">QSFP56<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">1271nm, 1291nm, 1311nm and 1331nm<\/span><\/td>\n<td style=\"text-align: center\"><span style=\"font-weight: 400\">4x 53.125Gb\/s PAM4<\/span><\/td>\n<td>\n<p style=\"text-align: center\"><span style=\"font-weight: 400\">2km<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"QSFP28_VS_QSFP56_Application_Comparison\"><\/span><span style=\"font-weight: 400\">QSFP28 VS QSFP56: Application Comparison<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">QSFP28 modules support 100Gbps transmission rate and have various product types, such as SR4, LR4, PSM4, BIDI, CWDM, SWDM. These transceivers are widely used in various scenarios. Such as the connection between various devices in data centers and data transmission in telecommunication networks. The QSFP56 optical module can provide higher speed data transmission due to the use of advanced modulation technologies. At the same time, the QSFP56 optical module continues the compatibility characteristics of QSFP optical module. This package <\/span><span style=\"font-weight: 400\">can be backward compatible with QSFP28 package, which is convenient for subsequent upgrade and expansion. It is widely used in scenarios that require higher transmission rates and efficiency such as enterprise networks, cloud services, and <a href=\"https:\/\/en.wikipedia.org\/wiki\/High-performance_computing\" target=\"_blank\" rel=\"noopener\">HPC<\/a>. Both are capable of functioning in the data center, QSFP28 can already meet most of the needs. But if you&#8217;re looking for the ultimate result, QSFP56 is the way to go.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"QSFP28_vs_QSFP56_Cost_Comparison\"><\/span><span style=\"font-weight: 400\">QSFP28 vs QSFP56: Cost Comparison<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">But if you&#8217;re looking for the ultimate result, QSFP56 is the way to go. Due to its technical superiority and complexity, the cost of QSFP56 optical transceiver is higher than that of general QSFP28 optical transceivers. In scenarios that require high-speed information transmission, such as high-performance computing centers, QSFP56 is the first choice. However, if you have a limited budget, QSFP28 is actually a good choice. In addition, there are many price gaps between optical modules with different rates and transmission rates. So it is necessary to consider the actual situation of the moment and choose the most cost-effective product.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tips_Configuration_Flexibility\"><\/span><span style=\"font-weight: 400\">Tips: Configuration Flexibility<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">QSFP56 theoretically provides a rate of 50Gbps on a single channel. However, in practical applications, in order to cooperate with the special network architecture, the QSFP56 can be adjusted to a single-channel rate of 25Gbps. The existing 100G network basically uses the QSFP28 interface, and the QSFP56 can be compatible with the 100G network by adjusting the internal structure.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Summary\"><\/span><span style=\"font-weight: 400\">Summary<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">Through the above analysis, I believe you have a preliminary understanding of the comparison of these two packages and how to choose. Through the above analysis, I believe you have a preliminary understanding of the comparison of these two packages. Furthermore, you should now have a clearer idea of how to choose between them. It is foreseeable that with the upgrading of technology and the change of market demand, the modules of these two packages will play a more important role in the future.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>As a member of the QSFP package family, the QSFP28 and QSFP56 packages play an important role in their respective fields. But because of technology, cost and other reasons, do you still have some confusion in the purchase process? Now follow us to explore the differences: QSFP28 VS QSFP56 packages. QSFP28 VS QSFP56: Performance comparison [&hellip;]<\/p>","protected":false},"author":3,"featured_media":11686,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"footnotes":""},"categories":[1],"tags":[],"post_folder":[],"class_list":["post-11683","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v24.8.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>QSFP28 VS QSFP56 : What&#039;s the Difference? - mvslinks.com<\/title>\n<meta name=\"description\" content=\"As key members of the QSFP, QSFP28 and QSFP56 both play crucial roles in data transmission. 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