{"id":6063,"date":"2020-12-24T14:10:54","date_gmt":"2020-12-24T12:10:54","guid":{"rendered":"https:\/\/tekmart.co.za\/t-blog\/?p=6063"},"modified":"2020-12-24T14:10:55","modified_gmt":"2020-12-24T12:10:55","slug":"rack-unit-a-tech-definition","status":"publish","type":"post","link":"https:\/\/tekmart.co.za\/t-blog\/rack-unit-a-tech-definition\/","title":{"rendered":"rack unit- a tech definition"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time-approximately:<\/span> <span class=\"rt-time\"> &lt; 1<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span>\n<h2 class=\"wp-block-heading\">A rack unit (abbreviated as U, less commonly seen as RU) is a unit of measurement applied to equipment\u00a0racks\u00a0and the\u00a0<a href=\"https:\/\/www.tekmart.co.za\/servers-hp-dell-ibm-sun\">servers<\/a>,\u00a0<a href=\"https:\/\/www.tekmart.co.za\/enterprise-server-hard-drives\">disk drives<\/a>\u00a0and other\u00a0devices that they contain. One U is 1.75 inches (44.45mm); the standard rack, at 19 inches, is 42U.<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cdn.ttgtmedia.com\/rms\/onlineImages\/rouse_margaret.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Posted by:\u00a0Margaret RouseWhatIs.com<\/p>\n\n\n\n<p>Contributor(s): Matthew Haughn<\/p>\n\n\n\n<p><a href=\"https:\/\/www.tekmart.co.za\/servers-hp-dell-ibm-sun\/configure-to-order-cto-servers\">Rack servers<\/a>\u00a0and other hardware designed to be\u00a0rack-mounted\u00a0are\u00a0manufactured in multiples of 1.75 inches and specified in multiples of rack units, usually 1U, 2U, 3U or 4U.\u00a0<\/p>\n\n\n\n<p>Racks are designed to hold equipment of those sizes. <\/p>\n\n\n\n<figure class=\"wp-block-pullquote\"><blockquote><p>The holes in the mounting flanges of racks are arranged in groups of three, and that three-hole grouping is also called a <strong>rack unit<\/strong>.<\/p><\/blockquote><\/figure>\n\n\n\n<p>Rack units for equipment is considered maximum dimensions. In practice, devices are often made slightly smaller than the specified U value to allow a little space. A device specified as 2U, for example, may in reality measure 3.44 inches in height, rather than the 3.5 inch multiple of 1.75.<\/p>\n\n\n\n<p><strong>See an introductory video on rack mounting equipment:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Steps to Rack Mount ( Tu Rack, Rack Server, Rack Cabinet )\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/LFoV7zf18jU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time-approximately:<\/span> <span class=\"rt-time\"> &lt; 1<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span>A rack unit (abbreviated as U, less commonly seen as RU) is a unit of measurement applied to equipment\u00a0racks\u00a0and the\u00a0servers,\u00a0disk drives\u00a0and other\u00a0devices that they contain. One U is 1.75 inches (44.45mm); the standard rack, at 19 inches, is 42U. Posted by:\u00a0Margaret RouseWhatIs.com Contributor(s): Matthew Haughn Rack servers\u00a0and other hardware designed to be\u00a0rack-mounted\u00a0are\u00a0manufactured in multiples of 1.75 inches and specified in<\/p>\n<p><a class=\"more-link\" href=\"https:\/\/tekmart.co.za\/t-blog\/rack-unit-a-tech-definition\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[155,4,30,3,9],"tags":[],"class_list":["post-6063","post","type-post","status-publish","format-standard","hentry","category-batting-for-tech-in-the-covid-19-times","category-datacenter-news","category-expert-advise-and-opinion","category-industry-news-and-expert-advise","category-tech-definitions"],"_links":{"self":[{"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/posts\/6063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/comments?post=6063"}],"version-history":[{"count":1,"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/posts\/6063\/revisions"}],"predecessor-version":[{"id":6064,"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/posts\/6063\/revisions\/6064"}],"wp:attachment":[{"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/media?parent=6063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/categories?post=6063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tekmart.co.za\/t-blog\/wp-json\/wp\/v2\/tags?post=6063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}