{"id":172531,"date":"2026-09-10T12:12:53","date_gmt":"2026-09-10T12:12:53","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\/"},"modified":"2026-09-10T12:12:57","modified_gmt":"2026-09-10T12:12:57","slug":"wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\/","title":{"rendered":"WD40EFRX WD Red 4TB 3.5 Inches 5.4K RPM Internal Hard Drive"},"content":{"rendered":"<p>WD40EFRX Technical Specifications<\/p>\n<p>WD Red 4TB 3.5 Inches 5.4K RPM Internal Hard Disk Drive<\/p>\n<p>Manufacturer Western Digital Corporation<\/p>\n<p>Manufacturer Part Number : WD40EFRX<\/p>\n<p>Product Type Hard Drive<\/p>\n<p>Technical Information<\/p>\n<p>Storage Capacity 4 TB<\/p>\n<p>Features IntelliPower<\/p>\n<p>Drive Performance<\/p>\n<p>Maximum External Data Transfer Rate 768 MBps (6Gb\/s)<\/p>\n<p>Rotational Speed 5400 rpm<\/p>\n<p>Buffer 64 MB<\/p>\n<p>Interfaces\/Ports<\/p>\n<p>Drive Interface SATA<\/p>\n<p>Drive Interface Standard SATA\/600<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WD40EFRX Overview<\/p>\n<p>Here is the professional, SEO-optimized overview for the WD40EFRX.Western Digital Red 4TB NAS Hard Drive OverviewThe Western Digital Red 4TB is a purpose-built internal hard drive specifically engineered for NAS (Network Attached Storage) systems with 1 to 8 drive bays. Designed to handle the unique demands of home and small office NAS environments, this 4TB drive is optimized for 24\/7 continuous operation. Unlike standard desktop drives, the WD Red series features Western Digital\u2019s exclusive NASware\u2122 3.0 technology, which improves system compatibility, integration, and reliability by reducing common drive issues in RAID and NAS configurations.Operating at a power-efficient 5400 RPM (class) spindle speed, the is designed for cool and quiet operation.<\/p>\n","protected":false},"featured_media":172532,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[266],"product_cat":[433,449],"product_tag":[259,500,306,307,308,263,264],"class_list":["post-172531","product","type-product","status-publish","has-post-thumbnail","product_brand-western-digital","product_cat-storage-devices-storage-devices","product_cat-western-digital-storage-devices-storage-devices-storage-devices","product_tag-3-5-inch-hard-drive","product_tag-4tb-hard-drive","product_tag-5400-rpm-hard-drive","product_tag-64mb-buffer-hard-drive","product_tag-6gb-s-data-transfer-rate","product_tag-hard-drives","product_tag-sata","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>WD40EFRX WD Red 4TB 3.5 Inches 5.4K RPM Internal Hard Drive - Geek Tech Sol<\/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:\/\/geektechsol.com\/index.php\/product\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WD40EFRX WD Red 4TB 3.5 Inches 5.4K RPM Internal Hard Drive - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"WD40EFRX Overview Here is the professional, SEO-optimized overview for the WD40EFRX.Western Digital Red 4TB NAS Hard Drive OverviewThe Western Digital Red 4TB is a purpose-built internal hard drive specifically engineered for NAS (Network Attached Storage) systems with 1 to 8 drive bays. Designed to handle the unique demands of home and small office NAS environments, this 4TB drive is optimized for 24\/7 continuous operation. Unlike standard desktop drives, the WD Red series features Western Digital\u2019s exclusive NASware\u2122 3.0 technology, which improves system compatibility, integration, and reliability by reducing common drive issues in RAID and NAS configurations.Operating at a power-efficient 5400 RPM (class) spindle speed, the is designed for cool and quiet operation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geektechsol.com\/index.php\/product\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-10T12:12:57+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Western-Digital-WD40EFRX.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\\\/\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\\\/\",\"name\":\"WD40EFRX WD Red 4TB 3.5 Inches 5.4K RPM Internal Hard Drive - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Western-Digital-WD40EFRX.jpg\",\"datePublished\":\"2026-09-10T12:12:53+00:00\",\"dateModified\":\"2026-09-10T12:12:57+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Western-Digital-WD40EFRX.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Western-Digital-WD40EFRX.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"WD40EFRX WD Red 4TB 3.5 Inches 5.4K RPM Internal Hard Drive\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/\",\"name\":\"Geek Tech Sol\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/geektechsol.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"WD40EFRX WD Red 4TB 3.5 Inches 5.4K RPM Internal Hard Drive - Geek Tech Sol","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/geektechsol.com\/index.php\/product\/wd40efrx-wd-red-4tb-3-5-inches-5-4k-rpm-internal-hard-drive\/","og_locale":"en_US","og_type":"article","og_title":"WD40EFRX WD Red 4TB 3.5 Inches 5.4K RPM Internal Hard Drive - Geek Tech Sol","og_description":"WD40EFRX Overview Here is the professional, SEO-optimized overview for the WD40EFRX.Western Digital Red 4TB NAS Hard Drive OverviewThe Western Digital Red 4TB is a purpose-built internal hard drive specifically engineered for NAS (Network Attached Storage) systems with 1 to 8 drive bays. 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