{"id":22396,"date":"2026-07-03T09:56:55","date_gmt":"2026-07-03T09:56:55","guid":{"rendered":"https:\/\/www.tarluz.com\/?p=22396"},"modified":"2026-07-03T09:56:55","modified_gmt":"2026-07-03T09:56:55","slug":"nvidia-connectx-6-dx-100g-nic-comparison","status":"publish","type":"post","link":"https:\/\/www.tarluz.com\/de\/data-center\/nvidia-connectx-6-dx-100g-nic-comparison\/","title":{"rendered":"NVIDIA ConnectX-6 Dx 100G NIC Comparison"},"content":{"rendered":"<p class=\"ds-markdown-paragraph\"><span class=\"\">NVIDIA\u2019s ConnectX\u20116 Dx family offers three 100GbE SmartNIC models that share the same hardware platform and networking performance. The key differences lie only in security features: Secure Boot and hardware cryptographic acceleration.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Common Specifications (all three models)<\/span><\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Dual\u2011port 100GbE QSFP56<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">PCIe Gen4 x16 host interface<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Supports 1\/10\/25\/40\/50\/100GbE speeds<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">RoCE, SR\u2011IOV, storage acceleration, stateless offloads<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Power ~19W, operating temp 0\u201355\u00b0C<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Model\u2011specific security features<\/span><\/strong><\/p>\n<table style=\"height: 120px;\" width=\"442\">\n<thead>\n<tr>\n<th style=\"text-align: center;\"><span class=\"\">Model<\/span><\/th>\n<th style=\"text-align: center;\"><span class=\"\">Secure Boot<\/span><\/th>\n<th style=\"text-align: center;\"><span class=\"\">Crypto Acceleration<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span class=\"\">MCX623106AN\u2011CDAT<\/span><\/td>\n<td style=\"text-align: center;\"><span class=\"\">No<\/span><\/td>\n<td style=\"text-align: center;\"><span class=\"\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span class=\"\">MCX623106AS\u2011CDAT<\/span><\/td>\n<td style=\"text-align: center;\"><span class=\"\">Yes<\/span><\/td>\n<td style=\"text-align: center;\"><span class=\"\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span class=\"\">MCX623106AC\u2011CDAT<\/span><\/td>\n<td style=\"text-align: center;\"><span class=\"\">Yes<\/span><\/td>\n<td style=\"text-align: center;\"><span class=\"\">Yes<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Which one to choose?<\/span><\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\"><strong>MCX623106AN\u2011CDAT<\/strong>\u2013 For standard enterprise networks where extra security is not required.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\"><strong>MCX623106AS\u2011CDAT<\/strong>\u2013 For environments that demand authenticated firmware loading (compliance\/security policies).<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><span class=\"\"><strong>MCX623106AC\u2011CDAT<\/strong> \u2013 For workloads with heavy encryption (IPsec, multi\u2011tenant clouds, finance) \u2013 offloads crypto from the CPU and includes Secure Boot.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Bottom line<\/span><\/strong><br \/>\n<span class=\"\">All three deliver identical network performance. Your choice should be based solely on security and compliance needs, not on speed or latency.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>NVIDIA\u2019s ConnectX\u20116 Dx family offers three 100GbE SmartNIC models that share the same hardware platform and networking performance. The key differences lie only in security features: Secure Boot and hardware cryptographic acceleration. Common Specifications (all three models) Dual\u2011port 100GbE QSFP56 PCIe Gen4 x16 host interface Supports 1\/10\/25\/40\/50\/100GbE speeds RoCE, SR\u2011IOV, storage acceleration, stateless offloads Power [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[399],"tags":[],"class_list":["post-22396","post","type-post","status-publish","format-standard","hentry","category-data-center"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.3 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NVIDIA ConnectX-6 Dx 100G NIC Comparison - 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\/de\/data-center\/nvidia-connectx-6-dx-100g-nic-comparison\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NVIDIA ConnectX-6 Dx 100G NIC Comparison\" \/>\n<meta property=\"og:description\" content=\"NVIDIA\u2019s ConnectX\u20116 Dx family offers three 100GbE SmartNIC models that share the same hardware platform and networking performance. 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