{"id":8565,"date":"2026-09-08T00:55:12","date_gmt":"2026-09-08T00:55:12","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/wus5ea138esp7e1-western-digital-3-84tb-pci-e-nvme-solid-state-drive\/"},"modified":"2026-09-08T00:55:24","modified_gmt":"2026-09-08T00:55:24","slug":"wus5ea138esp7e1-western-digital-3-84tb-pci-e-nvme-solid-state-drive","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/wus5ea138esp7e1-western-digital-3-84tb-pci-e-nvme-solid-state-drive\/","title":{"rendered":"WUS5EA138ESP7E1 Western Digital 3.84TB PCI E NVMe Solid State Drive"},"content":{"rendered":"<p>WUS5EA138ESP7E1 Technical Specifications<\/p>\n<p>Western Digital Ultrastar DC SN655 3.84TB PCI Express NVMe 4.0 U.3 Solid State Drive<\/p>\n<p>Brand: Western Digital (Ultrastar)<\/p>\n<p>Series: DC SN655<\/p>\n<p>Model\/Part: WUS5EA138ESP7E1<\/p>\n<p>Capacity: 3.84\u202fTB<\/p>\n<p>Drive Type: Enterprise SSD<\/p>\n<p>Form Factor: U.3 2.5\u2011inch, 15\u202fmm<\/p>\n<p>Interface: PCIe 4.0 x4 NVMe<\/p>\n<p>NVMe Version: 1.4<\/p>\n<p>Sequential Read: ~6800\u202fMB\/s<\/p>\n<p>Sequential Write: ~2600\u202fMB\/s<\/p>\n<p>Random Read: ~1,000,000\u202fIOPS<\/p>\n<p>Random Write: ~112,000\u202fIOPS<\/p>\n<p>NAND Type: 3D TLC flash<\/p>\n<p>Endurance: ~1\u202fDWPD (read\u2011intensive)<\/p>\n<p>MTBF: ~2,500,000 hours<\/p>\n<p>Power: Typical ~16\u201320\u202fW, Idle <8\u202fW\n\nData Protection: Power Loss Protection &#038; Enterprise features\n\nUsage: Servers \/ Data centers \/ Enterprise workloads\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WUS5EA138ESP7E1 Overview<\/p>\n<p>The Western Digital Ultrastar DC\u202fSN655 3.84\u202fTB PCIe\u202f4.0 NVMe U.3 Solid State Drive (model WUS5EA138ESP7E1) is a high\u2011capacity enterprise SSD built for data center, server, and storage\u2011system applications that require fast, reliable access to large datasets. It uses a PCI\u2011Express Gen4\u202f\u00d74 NVMe 1.4 interface and a U.3 (15\u202fmm) form factor that supports hot\u2011swappable installation in standard enterprise storage bays and backplanes. The drive is constructed with Western Digital BiCS5 3D TLC NAND flash, providing a strong balance of speed, endurance, and efficiency for mixed enterprise workloads. Its **sequential read speeds reach up to about 6,800\u202fMB\/s.<\/p>\n","protected":false},"featured_media":8566,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[266],"product_cat":[433,449],"product_tag":[1257,1569,1527,1546,1570,1298,1259,1199],"class_list":["post-8565","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-nvme","product_tag-2600-mb-s","product_tag-3-84-tb","product_tag-6800-mb-s","product_tag-dc-sn655","product_tag-enterprise-ssd","product_tag-pcie","product_tag-solid-state-drive","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>WUS5EA138ESP7E1 Western Digital 3.84TB PCI E NVMe Solid State 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\/wus5ea138esp7e1-western-digital-3-84tb-pci-e-nvme-solid-state-drive\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WUS5EA138ESP7E1 Western Digital 3.84TB PCI E NVMe Solid State Drive - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"WUS5EA138ESP7E1 Overview The Western Digital Ultrastar DC\u202fSN655 3.84\u202fTB PCIe\u202f4.0 NVMe U.3 Solid State Drive (model WUS5EA138ESP7E1) is a high\u2011capacity enterprise SSD built for data center, server, and storage\u2011system applications that require fast, reliable access to large datasets. It uses a PCI\u2011Express Gen4\u202f\u00d74 NVMe 1.4 interface and a U.3 (15\u202fmm) form factor that supports hot\u2011swappable installation in standard enterprise storage bays and backplanes. The drive is constructed with Western Digital BiCS5 3D TLC NAND flash, providing a strong balance of speed, endurance, and efficiency for mixed enterprise workloads. 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