{"id":56817,"date":"2025-06-16T11:56:00","date_gmt":"2025-06-16T10:56:00","guid":{"rendered":"https:\/\/www.overclockers.co.uk\/blog\/?p=56817"},"modified":"2026-06-12T15:35:20","modified_gmt":"2026-06-12T14:35:20","slug":"what-psu-do-i-have","status":"publish","type":"post","link":"https:\/\/www.overclockers.co.uk\/blog\/what-psu-do-i-have\/","title":{"rendered":"What PSU Do I Have?\u00a0"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Not sure what power supply is powering your rig? Whether you\u2019re planning upgrades or just curious, here\u2019s how to find out without frying your nerves&#8230; Or your PC.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/06\/what-psu-square-1024x1024.png\" alt=\"\" class=\"wp-image-56818\"\/ loading=\"lazy\" srcset=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/06\/what-psu-square-1024x1024.png 1024w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/06\/what-psu-square-300x300.png 300w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/06\/what-psu-square-150x150.png 150w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/06\/what-psu-square-768x768.png 768w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/06\/what-psu-square-600x600.png 600w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/06\/what-psu-square.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019ve ever stared at your PC and wondered, \u201cWhat PSU do I even have?\u201d you\u2019re not alone! Whether you\u2019re thinking about upgrading your graphics card, troubleshooting a power issue, or just indulging your inner detective, knowing your PSU (Power Supply Unit) is essential. The good news? You might not even have to open your case to find out. Let\u2019s walk through the easiest methods first, then get hands-on if we need to.&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Start With the Easy Wins\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before you reach for a screwdriver, try these quick steps. First, check your order history. Whether you bought a pre-built PC or assembled it yourself, your PSU might be listed on your retailer\u2019s website or in your email receipts.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Still no luck? Take a look at the back of your PC where the power cable plugs in. Some PSUs have a visible label or branding right there, giving you a fast answer without opening anything up.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Time to Pop the Case\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If your PSU isn\u2019t listed online and there\u2019s no label visible on the back, it\u2019s time to get hands-on. Don\u2019t worry! Opening your case isn\u2019t as scary as it sounds. Here\u2019s how to safely check your power supply from the inside:&nbsp;<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Turn off and unplug your PC.&nbsp;<\/strong>\n<ul class=\"wp-block-list\">\n<li>Safety first! Shut it down fully and remove the power cable from the back. Next, make sure you press the power button a few times and wait a little while.\u00a0\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Move to a clean, static-free workspace.&nbsp;<\/strong>\n<ul class=\"wp-block-list\">\n<li>Ideally, work on a wooden surface, and avoid carpets to reduce static buildup.\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Open the rear panel of your case.&nbsp;<\/strong>\n<ul class=\"wp-block-list\">\n<li>Most modern PC cases have thumb screws at the back, just loosen these and slide the panel off.\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>Locate the PSU.&nbsp;<\/strong>\n<ul class=\"wp-block-list\">\n<li>It\u2019s usually at the bottom rear of the case. Look for the big box where all the cables lead to.\u00a0\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li><strong>Check the label.&nbsp;<\/strong>\n<ul class=\"wp-block-list\">\n<li>The side of the PSU facing into the case should have a sticker or printed label with all the info, brand, wattage, <a href=\"https:\/\/www.overclockers.co.uk\/blog\/power-supply-units-made-easy-explaining-80-plus-ratings\/\" target=\"_blank\" rel=\"noreferrer noopener\">efficiency rating<\/a> (like 80 PLUS Gold), and model number.\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<ol start=\"6\" class=\"wp-block-list\">\n<li><strong>Put everything back together.&nbsp;<\/strong>\n<ul class=\"wp-block-list\">\n<li>Once you&#8217;re done, reattach the panel, plug your PC back in, and you\u2019re good to go!\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Ready For an Upgrade?\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Following these steps, you should&#8217;ve discovered details about your PSU, like its wattage and 80 PLUS rating. If they&#8217;re not going to quite cut it for your planned build, then it might be time for a cheeky upgrade? <a href=\"https:\/\/www.overclockers.co.uk\/\" target=\"_blank\" rel=\"noreferrer noopener\">Overclockers UK<\/a> has a huge selection of power supplies perfect for supporting any hardware configuration. \u00a0\u00a0<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-ef7a8b26 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.overclockers.co.uk\/pc-components\/pc-power-supplies\">PSUs<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-930feb06 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"f-product-wrapper \"><div class=\"product-image\"><!-- <div class=\"tag-list\"><a href=\"#\">in stock<\/a><\/div> --><img decoding=\"async\" class=\"feed-product-image\" src=\"https:\/\/www.overclockers.co.uk\/dw\/image\/v2\/BLRM_PRD\/on\/demandware.static\/-\/Sites-master-catalog-ocuk\/default\/dwdb7d6b5e\/images\/data\/product\/2c\/8b9f21\/c5285ab870b9ef8827870621040dbcb196b17e42.jpg?sw=800\" alt=\"Phanteks AMP GH 850W ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply\" \/ loading=\"lazy\"><\/div><div class=\"product-wrapper\"><h3>Phanteks AMP GH 850W ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply<\/h3><p class=\"sku\">POW-PHK-02519<\/p><p class=\"pricing\"><span class=\"main-price\"> \u00a3104.99 GBP<\/span><\/p><p class=\"vat-info\">(incl. VAT)<\/p><p class=\"free-shipping\">FREE SHIPPING<\/p><p class=\"instock  in-stock\">in stock<\/p><a href=\"https:\/\/www.overclockers.co.uk\/phanteks-amp-gh-850w-atx-3.1-pcie-5.1-80-plus-gold-modular-power-supply\/POW-PHK-02519.html\" target=\"_blank\" class=\"product-link btn btn-primary\">ADD TO BASKET<\/a><\/div><div class=\"clear\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"f-product-wrapper \"><div class=\"product-image\"><!-- <div class=\"tag-list\"><a href=\"#\">preorder<\/a><\/div> --><img decoding=\"async\" class=\"feed-product-image\" src=\"https:\/\/www.overclockers.co.uk\/dw\/image\/v2\/BLRM_PRD\/on\/demandware.static\/-\/Sites-master-catalog-ocuk\/default\/dw3ae63972\/images\/data\/product\/a0\/b80546\/ec562ea409ef093fe911381b8c97ece3f2dd94e6.jpg?sw=800\" alt=\"Asus ROG Thor 1600W ATX 3.1 PCIe 5.0 80 Plus Titanium Modular Power Supply\" \/ loading=\"lazy\"><\/div><div class=\"product-wrapper\"><h3>Asus ROG Thor 1600W ATX 3.1 PCIe 5.0 80 Plus Titanium Modular Power Supply<\/h3><p class=\"sku\">POW-ASU-04707<\/p><p class=\"pricing\"><span class=\"main-price\"> \u00a3699.95 GBP<\/span><\/p><p class=\"vat-info\">(incl. VAT)<\/p><p class=\"free-shipping\">FREE SHIPPING<\/p><p class=\"instock  preorder\">Pre order<\/p><a href=\"https:\/\/www.overclockers.co.uk\/asus-rog-thor-1600w-atx-3.1-pcie-5.0-80-plus-titanium-modular-power-supply\/POW-ASU-04707.html\" target=\"_blank\" class=\"product-link btn btn-primary\">ADD TO BASKET<\/a><\/div><div class=\"clear\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"f-product-wrapper \"><div class=\"product-image\"><!-- <div class=\"tag-list\"><a href=\"#\">in stock<\/a><\/div> --><img decoding=\"async\" class=\"feed-product-image\" src=\"https:\/\/www.overclockers.co.uk\/dw\/image\/v2\/BLRM_PRD\/on\/demandware.static\/-\/Sites-master-catalog-ocuk\/default\/dw45b05c8d\/images\/data\/product\/fe\/9df763\/8dee0fa23ac91086fc87cd9ddfb5b3b449965bca.jpg?sw=800\" alt=\"Lian Li RS 1200W RS Hub ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply\" \/ loading=\"lazy\"><\/div><div class=\"product-wrapper\"><h3>Lian Li RS 1200W RS Hub ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply<\/h3><p class=\"sku\">POW-LIA-06175<\/p><p class=\"pricing\"><span class=\"odd-price\"> \u00a3159.95 GBP<\/span> <span class=\"main-price\">\u00a3 144.95 GBP<\/span><\/p><span class=\"discount-percent\">-9.38%<\/span><p class=\"vat-info\">(incl. VAT)<\/p><p class=\"free-shipping\">FREE SHIPPING<\/p><p class=\"instock  in-stock\">in stock<\/p><a href=\"https:\/\/www.overclockers.co.uk\/lian-li-rs-1200w-rs-hub-atx-3.1-pcie-5.1-80-plus-gold-modular-power-supply\/POW-LIA-06175.html\" target=\"_blank\" class=\"product-link btn btn-primary\">ADD TO BASKET<\/a><\/div><div class=\"clear\"><\/div><\/div><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Learn More About Your PC<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-930feb06 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.overclockers.co.uk\/blog\/how-to-remove-thermal-paste\/\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/remove-thermal-paste-square-1024x1024.png\" alt=\"How to Remove Thermal Paste\" class=\"wp-image-55207\"\/ loading=\"lazy\" srcset=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/remove-thermal-paste-square-1024x1024.png 1024w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/remove-thermal-paste-square-300x300.png 300w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/remove-thermal-paste-square-150x150.png 150w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/remove-thermal-paste-square-768x768.png 768w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/remove-thermal-paste-square-600x600.png 600w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/remove-thermal-paste-square.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.overclockers.co.uk\/blog\/how-to-change-your-gaming-mouses-sensitivity\/\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/mouse-sensitivity-square-1024x1024.png\" alt=\"\" class=\"wp-image-55502\"\/ loading=\"lazy\" srcset=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/mouse-sensitivity-square-1024x1024.png 1024w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/mouse-sensitivity-square-300x300.png 300w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/mouse-sensitivity-square-150x150.png 150w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/mouse-sensitivity-square-768x768.png 768w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/mouse-sensitivity-square-600x600.png 600w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/04\/mouse-sensitivity-square.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.overclockers.co.uk\/blog\/can-you-make-a-mechanical-keyboard-quieter\/\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/05\/quieter-keyboard-square-1024x1024.png\" alt=\"\" class=\"wp-image-55954\"\/ loading=\"lazy\" srcset=\"https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/05\/quieter-keyboard-square-1024x1024.png 1024w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/05\/quieter-keyboard-square-300x300.png 300w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/05\/quieter-keyboard-square-150x150.png 150w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/05\/quieter-keyboard-square-768x768.png 768w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/05\/quieter-keyboard-square-600x600.png 600w, https:\/\/www.overclockers.co.uk\/blog\/wp-content\/uploads\/2025\/05\/quieter-keyboard-square.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What Should We Cover Next?\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Now you know exactly what PSU you\u2019ve got powering your rig \u2013 whether it\u2019s a budget-friendly unit or a beefy 1000W monster. Keep that info handy for future upgrades, or just to flex on your mates. Got another PC mystery you want solved? Let us know what we should tackle next!&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Not sure what power supply is powering your rig? Whether you&rsquo;re planning upgrades or just curious, here&rsquo;s how to find out without frying your nerves&hellip; Or your PC.&nbsp;&nbsp; If you&rsquo;ve ever stared at your PC and wondered, &ldquo;What PSU do I even have?&rdquo; you&rsquo;re not alone! Whether you&rsquo;re thinking about upgrading your graphics card, troubleshooting [&hellip;]<\/p>\n","protected":false},"author":39,"featured_media":56820,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1334,1370],"tags":[2312,540,509],"class_list":["post-56817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to","category-psus","tag-gaming-hardware","tag-power-supplies","tag-psu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What PSU Do I Have?\u00a0 | Overclockers UK<\/title>\n<meta name=\"description\" content=\"Not sure what power supply is powering your rig? Whether you\u2019re planning upgrades or just curious, here\u2019s how to find out without frying.\" \/>\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.overclockers.co.uk\/blog\/what-psu-do-i-have\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What PSU Do I Have?\" \/>\n<meta property=\"og:description\" content=\"Not sure what power supply is powering your rig? 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