{"id":14085,"date":"2026-09-02T08:46:20","date_gmt":"2026-09-02T08:46:20","guid":{"rendered":"https:\/\/hermesys.com\/?post_type=product&#038;p=14085"},"modified":"2026-09-02T08:46:21","modified_gmt":"2026-09-02T08:46:21","slug":"400g-qsfp-dd-fr4-2km-optical-transceiver-hydrax","status":"publish","type":"product","link":"https:\/\/hermesys.com\/vi\/san-pham\/400g-qsfp-dd-fr4-2km-optical-transceiver-hydrax\/","title":{"rendered":"400G QSFP-DD FR4 2km Optical Transceiver, HydraX\u2122"},"content":{"rendered":"<p>The Hermesys HydraX\u2122 series 400G QSFP-DD FR4 is a hot-pluggable, four-channel CWDM4 single-mode fiber-optic transceiver built for 400 Gigabit Ethernet point-to-point links, compliant with the QSFP-DD MSA and 100G Lambda MSA 400G FR4 specification.<\/p>\n<h2 style=\"margin-top: 28px;\">Key Features and Benefits<\/h2>\n<ul>\n<li>Four independent CWDM4 channels (1271\/1291\/1311\/1331 nm) multiplexed\/demultiplexed onto a single duplex LC port<\/li>\n<li>Cooled EML laser transmitter with PIN photodetector receiver<\/li>\n<li>100 Gbps per channel via 53.125 GBd PAM4 signaling<\/li>\n<li>Link distance up to 2 km over single-mode fiber<\/li>\n<li>Duplex LC connector interface<\/li>\n<li>400GAUI-8 host-side electrical interface (8\u00d7 53.125 Gbps)<\/li>\n<li>3.3 V power supply voltage<\/li>\n<li>Maximum power consumption of 12 W<\/li>\n<li>Hot-pluggable QSFP-DD form factor for high port density<\/li>\n<li>Built-in overvoltage protection<\/li>\n<\/ul>\n<h2>Typical Applications<\/h2>\n<ul>\n<li>400GBASE FR4 Proprietary Applications<\/li>\n<li>Data Center Networking<\/li>\n<li>High-Speed Ethernet Interconnections<\/li>\n<\/ul>\n<h2>Reference Standard<\/h2>\n<ul>\n<li>100G Lambda MSA (400G FR4 Specification)<\/li>\n<li>IEEE 802.3bs<\/li>\n<li>QSFP-DD MSA Type2<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The Hermesys HydraX\u2122 series 400G QSFP-DD FR4 is a hot-pluggable, four-channel CWDM4 single-mode fiber-optic transceiver built for 400 Gigabit Ethernet point-to-point links, compliant with the QSFP-DD MSA and 100G Lambda MSA 400G FR4 specification. Key Features and Benefits Four independent CWDM4 channels (1271\/1291\/1311\/1331 nm) multiplexed\/demultiplexed onto a single duplex LC port Cooled EML laser transmitter [&hellip;]<\/p>\n","protected":false},"featured_media":14088,"template":"","meta":{"_monsterinsights_skip_tracking":false},"product_cat":[21,107],"product_tag":[],"class_list":["post-14085","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-hydra","product_cat-optical-transceiver","tm-no-options"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>400G QSFP-DD FR4 2km Optical Transceiver, HydraX\u2122 - Hermesys<\/title>\n<meta name=\"description\" content=\"Hermesys HydraX\u2122 400G QSFP-DD FR4 optical transceiver supports 2km transmission over single-mode fiber using four CWDM wavelengths and a duplex LC connector.\" \/>\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\/san-pham\/400g-qsfp-dd-fr4-2km-optical-transceiver-hydrax\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"400G QSFP-DD FR4 2km Optical Transceiver, HydraX\u2122\" \/>\n<meta property=\"og:description\" content=\"Hermesys HydraX\u2122 400G QSFP-DD FR4 optical transceiver supports 2km transmission over single-mode fiber using four CWDM wavelengths and a duplex LC connector.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hermesys.com\/vi\/san-pham\/400g-qsfp-dd-fr4-2km-optical-transceiver-hydrax\/\" \/>\n<meta property=\"og:site_name\" content=\"Hermesys\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-02T08:46:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hermesys.com\/wp-content\/uploads\/2026\/09\/400G-QSFP-DD-FR4-2km-Optical-Transceiver.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1254\" \/>\n\t<meta property=\"og:image:height\" content=\"1254\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\\\/\\\/hermesys.com\\\/product\\\/400g-qsfp-dd-fr4-2km-optical-transceiver-hydrax\\\/\",\"url\":\"https:\\\/\\\/hermesys.com\\\/product\\\/400g-qsfp-dd-fr4-2km-optical-transceiver-hydrax\\\/\",\"name\":\"400G QSFP-DD FR4 2km Optical Transceiver, HydraX\u2122 - 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