{"id":14111,"date":"2026-09-03T03:22:01","date_gmt":"2026-09-03T03:22:01","guid":{"rendered":"https:\/\/hermesys.com\/?post_type=product&#038;p=14111"},"modified":"2026-09-04T09:00:43","modified_gmt":"2026-09-04T09:00:43","slug":"100g-qsfp28-dac-cable","status":"publish","type":"product","link":"https:\/\/hermesys.com\/vi\/san-pham\/100g-qsfp28-dac-cable\/","title":{"rendered":"100G QSFP28 Direct Attach Copper Cable, 0.5-5m, HydraX\u2122"},"content":{"rendered":"<div style=\"font-family: Inter,Arial,sans-serif; color: #333; line-height: 1.7;\">\n<p>Hermesys HydraX\u2122 100G QSFP28 Direct Attach Copper Cable provides a cost-effective, low-latency connection between network devices equipped with QSFP28 ports. The passive cable assembly combines two hot-pluggable QSFP28 connectors with shielded Twinax copper cable, eliminating the need for separate optical transceivers and fiber patch cords.<\/p>\n<p>Four full-duplex electrical lanes operate at up to 25 Gb\/s per lane, delivering an aggregate data rate of 100 Gb\/s. Low insertion loss and crosstalk support reliable short-reach connections in high-density data center environments. Standard lengths from 0.5 m to 5 m are available, with conductor sizes ranging from 26 to 30 AWG. Cable length, conductor size and compatible coding can be configured according to deployment requirements.<\/p>\n<h2 style=\"margin-top: 28px;\">Key Features and Benefits<\/h2>\n<ul>\n<li>Supports aggregate data rates up to 100 Gb\/s<\/li>\n<li>Four full-duplex lanes operating at up to 25 Gb\/s per lane<\/li>\n<li>Passive QSFP28-to-QSFP28 copper cable assembly<\/li>\n<li>Hot-pluggable QSFP28 interfaces<\/li>\n<li>Low insertion loss and low crosstalk<\/li>\n<li>Shielded Twinax copper cable construction<\/li>\n<li>Available in standard lengths from 0.5 m to 5 m<\/li>\n<li>Conductor sizes from 26 to 30 AWG<\/li>\n<li>Supports high-speed differential signal transmission<\/li>\n<li>Operating temperature from 0\u00b0C to +70\u00b0C<\/li>\n<li>Custom cable length, conductor size and compatible coding available<\/li>\n<li>RoHS compliant<\/li>\n<\/ul>\n<h2>Typical Applications<\/h2>\n<ul>\n<li>100 Gigabit Ethernet short-reach connections<\/li>\n<li>InfiniBand EDR systems<\/li>\n<li>Data center top-of-rack connections<\/li>\n<li>High-density switch-to-switch interconnections<\/li>\n<li>Switch-to-server and storage connections<\/li>\n<li>Storage area networks and network-attached storage<\/li>\n<li>High-bandwidth routers and network appliances<\/li>\n<\/ul>\n<h2>Design Reference and Compliance<\/h2>\n<ul>\n<li>IEEE 802.3bj<\/li>\n<li>SFF-8636 management interface<\/li>\n<li>SFF-8661 QSFP28 connector interface<\/li>\n<li>SFF-8432 cable retention reference<\/li>\n<li>InfiniBand architecture<\/li>\n<li>EIA-364 connector test procedures<\/li>\n<li>RoHS compliant<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Hermesys HydraX\u2122 100G QSFP28 Direct Attach Copper Cable provides a cost-effective, low-latency connection between network devices equipped with QSFP28 ports. The passive cable assembly combines two hot-pluggable QSFP28 connectors with shielded Twinax copper cable, eliminating the need for separate optical transceivers and fiber patch cords. Four full-duplex electrical lanes operate at up to 25 Gb\/s [&hellip;]<\/p>\n","protected":false},"featured_media":14115,"template":"","meta":{"_monsterinsights_skip_tracking":false},"product_cat":[727,21],"product_tag":[],"class_list":["post-14111","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-high-speed-cable","product_cat-hydra","pa_conductor-gauge-26awg","pa_conductor-gauge-28awg","pa_conductor-gauge-30awg","pa_length-0-5m","pa_length-1m","pa_length-3m","pa_length-5m","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>100G QSFP28 Direct Attach Copper Cable, 0.5-5m, HydraX\u2122 - Hermesys<\/title>\n<meta name=\"description\" content=\"HydraX\u2122 100G QSFP28 passive DAC provides four 25G lanes over Twinax copper cable, with 0.5\u20135 m lengths and 26\u201330 AWG options for data centers.\" \/>\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\/100g-qsfp28-dac-cable\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"100G QSFP28 Direct Attach Copper Cable, 0.5-5m, HydraX\u2122\" \/>\n<meta property=\"og:description\" content=\"HydraX\u2122 100G QSFP28 passive DAC provides four 25G lanes over Twinax copper cable, with 0.5\u20135 m lengths and 26\u201330 AWG options for data centers.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hermesys.com\/vi\/san-pham\/100g-qsfp28-dac-cable\/\" \/>\n<meta property=\"og:site_name\" content=\"Hermesys\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-04T09:00:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hermesys.com\/wp-content\/uploads\/2026\/09\/00G-QSFP28-DAC.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1453\" \/>\n\t<meta property=\"og:image:height\" content=\"1083\" \/>\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=\"2 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\\\/100g-qsfp28-dac-cable\\\/\",\"url\":\"https:\\\/\\\/hermesys.com\\\/product\\\/100g-qsfp28-dac-cable\\\/\",\"name\":\"100G QSFP28 Direct Attach Copper Cable, 0.5-5m, HydraX\u2122 - 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