{"version":"1.0","provider_name":"SprintpcbGroup","provider_url":"https:\/\/www.sprintpcbgroup.com\/ar","title":"One PCIe Switch PCB Sent Me Searching the World for a Multilayer Board Factory: HDI, Heavy Copper, and PCIe 5.0\/6.0 Lessons","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"AoKpMUScsH\"><a href=\"https:\/\/www.sprintpcbgroup.com\/ar\/blogs\/pcie-switch-pcb-multilayer-hdi-heavy-copper-manufacturer\/\">One PCIe Switch PCB Sent Me Searching the World for a Multilayer Board Factory: HDI, Heavy Copper, and PCIe 5.0\/6.0 Lessons<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.sprintpcbgroup.com\/ar\/blogs\/pcie-switch-pcb-multilayer-hdi-heavy-copper-manufacturer\/embed\/#?secret=AoKpMUScsH\" width=\"600\" height=\"338\" title=\"&#8220;One PCIe Switch PCB Sent Me Searching the World for a Multilayer Board Factory: HDI, Heavy Copper, and PCIe 5.0\/6.0 Lessons&#8221; &#8212; SprintpcbGroup\" data-secret=\"AoKpMUScsH\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.sprintpcbgroup.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/www.sprintpcbgroup.com\/wp-content\/uploads\/2026\/10\/pcie-switch-pcb-products-3.webp","thumbnail_width":600,"thumbnail_height":400,"description":"Drawing a 48-lane PCIe Switch PCB sounds like just a more complex stackup, but ordering boards pushed the multilayer supply chain into a corner. Differential impedance had to hold 85 ohms plus or minus 5%, copper had to reach 3oz or more, and HDI plus NVMe backplane layers were added. Most factories shook their heads, and lead times and equipment limits nearly killed this PCIe 5.0 board before it was born."}