{"id":4150,"date":"2025-03-16T15:38:40","date_gmt":"2025-03-16T23:38:40","guid":{"rendered":"https:\/\/www.antivirusaz.com\/faq\/?post_type=ht_kb&#038;p=4150"},"modified":"2025-03-16T15:38:40","modified_gmt":"2025-03-16T23:38:40","slug":"what-is-a-master-boot-record-mbr","status":"publish","type":"ht_kb","link":"https:\/\/www.antivirusaz.com\/faq\/art\/what-is-a-master-boot-record-mbr\/","title":{"rendered":"What is a Master Boot Record (MBR)?"},"content":{"rendered":"<p>The <strong>Master Boot Record (MBR)<\/strong> is a special type of boot sector located at the very beginning of a storage device, like a hard drive or USB stick. It contains two key things: the partition table, which outlines how the disk is divided, and the bootloader, which helps the computer start up an operating system. MBR has been the standard for partitioning disks since the early days of PCs, but it has limitations. It only <strong>supports disks up to 2 TB<\/strong> in size and up to four primary partitions. Newer systems often use <strong>GUID Partition Table (GPT)<\/strong> instead, which overcomes these limits.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Master Boot Record (MBR) is a special type of boot sector located at the very beginning of a storage device, like a hard drive or USB stick. It contains two key things: the partition table, which outlines how the disk is divided, and the bootloader, which helps the computer start up an operating system. [&hellip;]<\/p>\n","protected":false},"author":1,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[2],"ht-kb-tag":[485,484],"class_list":["post-4150","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-general-information","ht_kb_tag-master-boot-record","ht_kb_tag-mbr"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a Master Boot Record (MBR)?<\/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.antivirusaz.com\/faq\/art\/what-is-a-master-boot-record-mbr\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is a Master Boot Record (MBR)?\" \/>\n<meta property=\"og:description\" content=\"The Master Boot Record (MBR) is a special type of boot sector located at the very beginning of a storage device, like a hard drive or USB stick. It contains two key things: the partition table, which outlines how the disk is divided, and the bootloader, which helps the computer start up an operating system. 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It contains two key things: the partition table, which outlines how the disk is divided, and the bootloader, which helps the computer start up an operating system. 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