{"id":13146,"date":"2026-07-30T07:26:25","date_gmt":"2026-07-30T07:26:25","guid":{"rendered":"https:\/\/hermesys.com\/?p=13146"},"modified":"2026-07-30T08:11:14","modified_gmt":"2026-07-30T08:11:14","slug":"200g-qsfp56-sr4-immersion-cooling-optical-module","status":"publish","type":"post","link":"https:\/\/hermesys.com\/vi\/200g-qsfp56-sr4-immersion-cooling-optical-module\/","title":{"rendered":"Hermesys 200G QSFP56 SR4 Immersion Cooling Optical Module"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"13146\" class=\"elementor elementor-13146\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ed24e6 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"4ed24e6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b749633\" data-id=\"b749633\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-26bca16 elementor-widget elementor-widget-html\" data-id=\"26bca16\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<!-- =========================================================\r\n     Hermesys 200G QSFP56 SR4 Immersion Cooling Optical Module\r\n     Elementor HTML\r\n     Font: Inter\r\n========================================================= -->\r\n\r\n<article class=\"hs-immersion-article\">\r\n\r\n  <style>\r\n    @import url('https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&display=swap');\r\n\r\n    .hs-immersion-article,\r\n    .hs-immersion-article * {\r\n      box-sizing: border-box;\r\n    }\r\n\r\n    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14px;\r\n      }\r\n\r\n      .hs-what-section {\r\n        padding-bottom: 40px;\r\n      }\r\n\r\n      .hs-specifications {\r\n        padding-bottom: 55px;\r\n      }\r\n    }\r\n\r\n    @media (max-width: 480px) {\r\n      .hs-hero {\r\n        min-height: 420px;\r\n      }\r\n\r\n      .hs-hero-title {\r\n        font-size: 30px;\r\n      }\r\n\r\n      .hs-hero-subtitle {\r\n        font-size: 16px;\r\n      }\r\n    }\r\n  <\/style>\r\n\r\n\r\n  <!-- =======================================================\r\n       BANNER\r\n  ======================================================== -->\r\n\r\n  <header class=\"hs-hero\">\r\n\r\n    <div class=\"hs-hero-overlay\">\r\n\r\n\r\n      <p class=\"hs-hero-subtitle\">\r\n        Empowering high performance computing, AI training, cloud data centers,\r\n        and edge computing scenarios with high density and high efficiency\r\n        network connectivity.\r\n      <\/p>\r\n\r\n    <\/div>\r\n\r\n  <\/header>\r\n\r\n\r\n  <!-- =======================================================\r\n       PRODUCT INTRODUCTION\r\n  ======================================================== -->\r\n\r\n  <section class=\"hs-intro\">\r\n\r\n    <div class=\"hs-container\">\r\n\r\n      <p class=\"hs-intro-text\">\r\n        This is a high speed optical communication module specially designed\r\n        for immersion cooling environments. All internal components are\r\n        engineered and treated to operate reliably while being completely\r\n        immersed in specific dielectric cooling fluids such as fluorocarbon or\r\n        mineral oil, effectively addressing the heat dissipation challenges of\r\n        high power data centers.\r\n      <\/p>\r\n\r\n      <div class=\"hs-detail-list\">\r\n\r\n        <p>\r\n          <strong>Form Factor:<\/strong>\r\n          QSFP56 (Hot Pluggable)\r\n        <\/p>\r\n\r\n        <p>\r\n          <strong>Data Rate:<\/strong>\r\n          200 Gbps aggregate (212.5 Gb\/s nominal, compliant with 200GBASE SR4\r\n          standard), backward compatible with 100GBASE SR4.\r\n        <\/p>\r\n\r\n        <p>\r\n          <strong>Core Function:<\/strong>\r\n          Designed for short reach high speed data transmission (70 to 100 m)\r\n          over multimode fiber (OM3, OM4, OM5), particularly suitable for data\r\n          centers utilizing immersion cooling technology.\r\n        <\/p>\r\n\r\n      <\/div>\r\n\r\n    <\/div>\r\n\r\n  <\/section>\r\n\r\n\r\n  <!-- =======================================================\r\n       WHAT IS AN IMMERSION COOLING OPTICAL MODULE\r\n  ======================================================== -->\r\n\r\n  <section class=\"hs-what-section\">\r\n\r\n    <div class=\"hs-container\">\r\n\r\n      <div class=\"hs-content-section\">\r\n\r\n        <h2 class=\"hs-section-title\">\r\n          What Is an Immersion Cooling Optical Module\r\n        <\/h2>\r\n\r\n        <div class=\"hs-section-content\">\r\n\r\n          <p>\r\n            With the exponential growth of data intensive applications such as\r\n            AI, machine learning, and high performance computing, conventional\r\n            air cooling systems in data centers have reached their thermal\r\n            management limits. As optical module data rates increase, so does\r\n            power consumption, driving the demand for more efficient cooling\r\n            solutions. Immersion cooling represents a paradigm shift in thermal\r\n            management technology, offering significantly improved heat\r\n            dissipation compared to traditional air cooling.\r\n          <\/p>\r\n\r\n          <p>\r\n            Unlike conventional transceivers that rely on airflow and heat\r\n            sinks, immersion cooling optical modules are specifically designed\r\n            to operate while fully submerged in dielectric coolant. Leveraging\r\n            the superior thermal properties of liquids, they maintain optimal\r\n            operating temperatures even under extreme workloads.\r\n          <\/p>\r\n\r\n        <\/div>\r\n\r\n      <\/div>\r\n\r\n    <\/div>\r\n\r\n  <\/section>\r\n\r\n\r\n  <!-- =======================================================\r\n       TECHNICAL PRINCIPLE AND FEATURES\r\n  ======================================================== -->\r\n\r\n  <section class=\"hs-technical-content\">\r\n\r\n    <div class=\"hs-container\">\r\n\r\n      <!-- Technical Principle -->\r\n\r\n      <div class=\"hs-content-section\">\r\n\r\n        <h2 class=\"hs-section-title\">\r\n          Technical Principle\r\n        <\/h2>\r\n\r\n        <div class=\"hs-section-content\">\r\n\r\n          <p>\r\n            Immersion cooling optical modules operate on the principle of\r\n            direct liquid cooling, where heat generating components are\r\n            submerged in a dielectric coolant that offers excellent thermal\r\n            conductivity but no electrical conductivity. The cooling process\r\n            combines conduction (direct heat transfer to the fluid), convection\r\n            (circulating heated fluid away from the source), and in some\r\n            systems, phase change cooling (boiling and condensation of the\r\n            liquid).\r\n          <\/p>\r\n\r\n          <p>\r\n            Because dielectric fluids possess thermal conductivities 20 to 100\r\n            times greater than air and volumetric heat capacities about four\r\n            times higher, they absorb and transfer heat far more effectively.\r\n          <\/p>\r\n\r\n        <\/div>\r\n\r\n      <\/div>\r\n\r\n\r\n      <!-- Key Design Features and Materials -->\r\n\r\n      <div class=\"hs-content-section\">\r\n\r\n        <h2 class=\"hs-section-title\">\r\n          Key Design Features and Materials\r\n        <\/h2>\r\n\r\n        <div class=\"hs-section-content\">\r\n\r\n          <p>\r\n            The module\u2019s construction relies on materials that can withstand\r\n            long term exposure to cooling liquids without degradation.\r\n          <\/p>\r\n\r\n          <p>\r\n            Both chemical compatibility and optical interface integrity are\r\n            critical since certain plastics, elastomers, and metal coatings can\r\n            corrode, swell, or leach under immersion. Optical coupling design\r\n            also requires refractive index matching between materials and\r\n            fluids to ensure stable signal transmission.\r\n          <\/p>\r\n\r\n        <\/div>\r\n\r\n      <\/div>\r\n\r\n\r\n      <!-- Performance Advantages -->\r\n\r\n      <div class=\"hs-content-section\">\r\n\r\n        <h2 class=\"hs-section-title\">\r\n          Performance Advantages\r\n        <\/h2>\r\n\r\n        <div class=\"hs-section-content\">\r\n\r\n          <p>\r\n            Compared with air cooled counterparts, immersion cooling optical\r\n            modules deliver up to 50 percent or more improvement in thermal\r\n            efficiency. This enhancement supports higher power densities,\r\n            handling modules exceeding 30 W per port.\r\n          <\/p>\r\n\r\n          <p>\r\n            Beyond thermal performance, immersion cooling cuts overall data\r\n            center energy consumption by eliminating high power fans and HVAC\r\n            systems that typically account for 30 to 40 percent of total energy\r\n            use.<br>\r\n            As a result, immersion cooled infrastructures can achieve an overall\r\n            Power Usage Effectiveness (PUE) as low as 1.02 to 1.03, yielding\r\n            substantial operational cost and environmental benefits.\r\n          <\/p>\r\n\r\n        <\/div>\r\n\r\n      <\/div>\r\n\r\n\r\n      <!-- Product Highlights -->\r\n\r\n      <div class=\"hs-content-section\">\r\n\r\n        <h2 class=\"hs-section-title\">\r\n          Product Highlights\r\n        <\/h2>\r\n\r\n        <div class=\"hs-section-content\">\r\n\r\n          <p class=\"hs-product-intro\">\r\n            Hermesys 200GBASE SR4 Immersion Cooling Optical Module is a high\r\n            performance, high reliability product featuring:\r\n          <\/p>\r\n\r\n        <\/div>\r\n\r\n      <\/div>\r\n\r\n\r\n      <!-- Product Highlights Table -->\r\n\r\n      <div class=\"hs-highlight-table-wrap\">\r\n\r\n        <table class=\"hs-highlight-table\">\r\n\r\n          <tbody>\r\n\r\n            <tr>\r\n              <th>\r\n                Immersion Cooling<br>\r\n                Design:\r\n              <\/th>\r\n\r\n              <td>\r\n                Optical components are specially sealed and coated to prevent\r\n                coolant leakage, ensuring reliable operation even 10 m deep.\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <th>\r\n                Coolant Compatibility:\r\n              <\/th>\r\n\r\n              <td>\r\n                Fully compatible with common dielectric coolants such as\r\n                fluorocarbon and mineral oil.\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <th>\r\n                Advanced Sealing:\r\n              <\/th>\r\n\r\n              <td>\r\n                Critical interfaces between laser and detector arrays and\r\n                pigtail fibers are precisely sealed, a key distinction from\r\n                standard transceivers.\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <th>\r\n                High Speed<br>\r\n                Transmission:\r\n              <\/th>\r\n\r\n              <td>\r\n                Utilizes PAM4 modulation and built in DSP (digital signal\r\n                processor) to achieve 53.125 Gb\/s per channel.\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <th>\r\n                Energy Efficiency:\r\n              <\/th>\r\n\r\n              <td>\r\n                Typical power &lt; 4.1 W (maximum 4.5 W), supporting lower\r\n                overall PUE in data centers.\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <th>\r\n                Smart Monitoring:\r\n              <\/th>\r\n\r\n              <td>\r\n                Compliant with CMIS V4.0, supporting I\u00b2C digital diagnostic\r\n                monitoring (DDM) for temperature, voltage, optical power, and\r\n                more, facilitating intelligent network management and fault\r\n                diagnosis.\r\n              <\/td>\r\n            <\/tr>\r\n\r\n          <\/tbody>\r\n\r\n        <\/table>\r\n\r\n      <\/div>\r\n\r\n    <\/div>\r\n\r\n  <\/section>\r\n\r\n\r\n  <!-- =======================================================\r\n       TECHNICAL SPECIFICATIONS\r\n  ======================================================== -->\r\n\r\n  <section class=\"hs-specifications\">\r\n\r\n    <div class=\"hs-container\">\r\n\r\n      <h2 class=\"hs-section-title\">\r\n        Technical Specifications\r\n      <\/h2>\r\n\r\n      <div class=\"hs-table-scroll\">\r\n\r\n        <table class=\"hs-spec-table\">\r\n\r\n          <thead>\r\n\r\n            <tr>\r\n              <th class=\"hs-spec-category\">\r\n                Category\r\n              <\/th>\r\n\r\n              <th class=\"hs-spec-parameter\">\r\n                Key Parameter\r\n              <\/th>\r\n\r\n              <th class=\"hs-spec-value\">\r\n                Th\u00f4ng S\u1ed1 K\u0129 Thu\u1eadt\r\n              <\/th>\r\n            <\/tr>\r\n\r\n          <\/thead>\r\n\r\n          <tbody>\r\n\r\n            <!-- Optical -->\r\n\r\n            <tr>\r\n              <td class=\"hs-spec-category\" rowspan=\"3\">\r\n                Optical\r\n              <\/td>\r\n\r\n              <td>\r\n                Wavelength\r\n              <\/td>\r\n\r\n              <td>\r\n                850 nm (VCSEL array)\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>\r\n                Fiber Type \/ Reach\r\n              <\/td>\r\n\r\n              <td>\r\n                OM3: 70m; OM4\/OM5: 100m\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>\r\n                Tx Output Power (per channel)\r\n              <\/td>\r\n\r\n              <td>\r\n                -6.5 dBm \uff5e +4.0 dBm\r\n              <\/td>\r\n            <\/tr>\r\n\r\n\r\n            <!-- Electrical -->\r\n\r\n            <tr>\r\n              <td class=\"hs-spec-category\" rowspan=\"3\">\r\n                Electrical\r\n              <\/td>\r\n\r\n              <td>\r\n                Supply Voltage\r\n              <\/td>\r\n\r\n              <td>\r\n                3.3V \u00b15%\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>\r\n                Power Consumption\r\n              <\/td>\r\n\r\n              <td>\r\n                Max 4.5 W (typical 4.1 W)\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>\r\n                Interface Level\r\n              <\/td>\r\n\r\n              <td>\r\n                CML (data), LVCMOS\/LVTTL (control)\r\n              <\/td>\r\n            <\/tr>\r\n\r\n\r\n            <!-- Mechanical and Environmental -->\r\n\r\n            <tr>\r\n              <td class=\"hs-spec-category\" rowspan=\"2\">\r\n                Mechanical &amp;<br>\r\n                Environmental\r\n              <\/td>\r\n\r\n              <td>\r\n                Operating Temp\r\n              <\/td>\r\n\r\n              <td>\r\n                Case 0 \u00b0C to +70 \u00b0C\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>\r\n                Immersion Depth\r\n              <\/td>\r\n\r\n              <td>\r\n                Up to 10 m\r\n              <\/td>\r\n            <\/tr>\r\n\r\n\r\n            <!-- Management and Safety -->\r\n\r\n            <tr>\r\n              <td class=\"hs-spec-category\" rowspan=\"3\">\r\n                Management &amp;<br>\r\n                Safety\r\n              <\/td>\r\n\r\n              <td>\r\n                Management Protocol\r\n              <\/td>\r\n\r\n              <td>\r\n                CMIS V4.0\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>\r\n                Laser Safety\r\n              <\/td>\r\n\r\n              <td>\r\n                IEC 60825-1 Class 1 (Eye safe)\r\n              <\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>\r\n                Compliance\r\n              <\/td>\r\n\r\n              <td>\r\n                RoHS, CE, FCC, UL and others\r\n              <\/td>\r\n            <\/tr>\r\n\r\n          <\/tbody>\r\n\r\n        <\/table>\r\n\r\n      <\/div>\r\n\r\n    <\/div>\r\n\r\n  <\/section>\r\n\r\n<\/article>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Empowering high performance computing, AI training, cloud data centers, and edge computing scenarios with high density and high efficiency network connectivity. This is a high speed optical communication module specially designed for immersion cooling environments. All internal components are engineered and treated to operate reliably while being completely immersed in specific dielectric cooling fluids such [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13136,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[955,957],"tags":[],"class_list":["post-13146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-insights","category-data-centre"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>200G QSFP56 SR4 Immersion Cooling Optical Module - Hermesys<\/title>\n<meta name=\"description\" content=\"The Hermesys 200G QSFP56 SR4 is an immersion cooling optical module built for submerged deployment \u2014 verified fluid compatibility, sealed optics and stable DDM.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hermesys.com\/vi\/200g-qsfp56-sr4-immersion-cooling-optical-module\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hermesys 200G QSFP56 SR4 Immersion Cooling Optical Module\" \/>\n<meta property=\"og:description\" content=\"The Hermesys 200G QSFP56 SR4 is an immersion cooling optical module built for submerged deployment \u2014 verified fluid compatibility, sealed optics and stable DDM.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hermesys.com\/vi\/200g-qsfp56-sr4-immersion-cooling-optical-module\/\" \/>\n<meta property=\"og:site_name\" content=\"Hermesys\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-30T07:26:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-30T08:11:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hermesys.com\/wp-content\/uploads\/2026\/07\/datacenter-liquid-cooling-server-blade-immersion_by-gene-twedt-for-microsoft-100884238-jpg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1599\" \/>\n\t<meta property=\"og:image:height\" content=\"885\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/hermesys.com\\\/200g-qsfp56-sr4-immersion-cooling-optical-module\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hermesys.com\\\/200g-qsfp56-sr4-immersion-cooling-optical-module\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/hermesys.com\\\/#\\\/schema\\\/person\\\/73ee4d19b5d28e1b37fed8f45aea8711\"},\"headline\":\"Hermesys 200G QSFP56 SR4 Immersion Cooling Optical Module\",\"datePublished\":\"2026-07-30T07:26:25+00:00\",\"dateModified\":\"2026-07-30T08:11:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/hermesys.com\\\/200g-qsfp56-sr4-immersion-cooling-optical-module\\\/\"},\"wordCount\":698,\"publisher\":{\"@id\":\"https:\\\/\\\/hermesys.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/hermesys.com\\\/200g-qsfp56-sr4-immersion-cooling-optical-module\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hermesys.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/datacenter-liquid-cooling-server-blade-immersion_by-gene-twedt-for-microsoft-100884238-jpg.jpg\",\"articleSection\":[\"Technical Insights\",\"Data Centre\"],\"inLanguage\":\"vi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hermesys.com\\\/200g-qsfp56-sr4-immersion-cooling-optical-module\\\/\",\"url\":\"https:\\\/\\\/hermesys.com\\\/200g-qsfp56-sr4-immersion-cooling-optical-module\\\/\",\"name\":\"200G QSFP56 SR4 Immersion Cooling Optical Module - 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