{"id":7963,"date":"2026-09-08T00:50:21","date_gmt":"2026-09-08T00:50:21","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/wd40efpx-western-digital-4tb-5400rpm-sata-6gb-s-3-5-inch-hard-drive\/"},"modified":"2026-09-08T00:50:31","modified_gmt":"2026-09-08T00:50:31","slug":"wd40efpx-western-digital-4tb-5400rpm-sata-6gb-s-3-5-inch-hard-drive","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/wd40efpx-western-digital-4tb-5400rpm-sata-6gb-s-3-5-inch-hard-drive\/","title":{"rendered":"WD40EFPX Western Digital 4TB 5400RPM SATA 6Gb\/S 3.5-Inch Hard Drive"},"content":{"rendered":"<p>WD40EFPX Technical Specifications<\/p>\n<p>Western Digital Red Plus 4TB 5400RPM SATA 6Gb\/S 256MB Cache 3.5-Inch NAS Hard Drive<\/p>\n<p>Manufacture Part Number: WD40EFPX<\/p>\n<p>Manufacturer: Western Digital<\/p>\n<p>Capacity: 4 TB<\/p>\n<p>Interface: SATA 6 Gb\/s<\/p>\n<p>Form Factor: 3.5-Inch<\/p>\n<p>Recording Tech: CMR (Conventional Magnetic Recording)<\/p>\n<p>Performance<\/p>\n<p>Spindle Speed: 5400 RPM<\/p>\n<p>Data Buffer (Cache): 256 MB<\/p>\n<p>Internal Transfer Rate: 180 MB\/s (Sustained)<\/p>\n<p>Reliability<\/p>\n<p>Workload Rating: 180 TB\/Year<\/p>\n<p>MTBF: 1,000,000 Hours<\/p>\n<p>24\/7 Workload: Yes<\/p>\n<p>Warranty: 3-Year Limited<\/p>\n<p>Power &#038; Environment<\/p>\n<p>Operating Power: 4.7 Watts<\/p>\n<p>Idle Power: 3.3 Watts<\/p>\n<p>Operating Temp: 0\u00b0C to 65\u00b0C<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WD40EFPX Overview<\/p>\n<p>The Western Digital Red Plus 4TB is a high-capacity, reliable internal hard drive built specifically for NAS enthusiasts and small-to-medium business environments. Designed to thrive in 24\/7 multi-drive setups (up to 8 bays), this drive utilizes Conventional Magnetic Recording (CMR) technology. This ensures peak performance and faster rebuild times for RAID configurations, making it the preferred choice for those who cannot afford data bottlenecks or latency issues.The WD40EFPX stands out with its massive 256MB cache, providing a significant boost in data processing and efficiency compared to older 4TB versions. Powered by NASware\u2122 3.0, the drive is fine-tuned to balance performance, power consumption, and acoustics.<\/p>\n","protected":false},"featured_media":7964,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[266],"product_cat":[433,449],"product_tag":[1246,550,1196,1247,1089,1248,1249],"class_list":["post-7963","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-256mb-cache","product_tag-3-5-inch","product_tag-4tb","product_tag-5400rpm","product_tag-hard-drive","product_tag-nas","product_tag-sata-6gb-s","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>WD40EFPX Western Digital 4TB 5400RPM SATA 6Gb\/S 3.5-Inch 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\/wd40efpx-western-digital-4tb-5400rpm-sata-6gb-s-3-5-inch-hard-drive\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WD40EFPX Western Digital 4TB 5400RPM SATA 6Gb\/S 3.5-Inch Hard Drive - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"WD40EFPX Overview The Western Digital Red Plus 4TB is a high-capacity, reliable internal hard drive built specifically for NAS enthusiasts and small-to-medium business environments. 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