{"id":150287,"date":"2026-09-09T21:17:47","date_gmt":"2026-09-09T21:17:47","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\/"},"modified":"2026-09-09T21:18:02","modified_gmt":"2026-09-09T21:18:02","slug":"m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\/","title":{"rendered":"M393A8K40B22-CWD Samsung 64GB PC4-21300 DDR4-2666MHz"},"content":{"rendered":"<p>M393A8K40B22-CWD Technical Specifications<\/p>\n<p>Samsung 64GB PC4-21300 DDR4-2666MHz<\/p>\n<p>Manufacturer: Samsung Consumer Storage<\/p>\n<p>Brand: Samsung<\/p>\n<p>Product Line: Samsung<\/p>\n<p>Packaged Quantity: 1<\/p>\n<p>RAM<\/p>\n<p>Type: DRAM<\/p>\n<p>Product Type: Memory module<\/p>\n<p>Form Factor: DIMM 288-pin<\/p>\n<p>Module Height (inch): 1.23<\/p>\n<p>Technology: DDR4 SDRAM<\/p>\n<p>Storage Capacity: 64 GB, 64 GB<\/p>\n<p>Registered or Buffered: Registered<\/p>\n<p>Data Integrity Check: ECC<\/p>\n<p>Module Configuration: 8192 x 72<\/p>\n<p>Chips Organization: 8192 x 4<\/p>\n<p>Memory Speed: 2666 megahertz<\/p>\n<p>Memory Specification Compliance: PC4-21300<\/p>\n<p>Supply Voltage: 1.2 volt<\/p>\n<p>CAS Latency: CL22<\/p>\n<p>Latency Timings: 22-19-19<\/p>\n<p>RAM Features: On-Die Termination (ODT), Quad rank, Serial Presence Detect (SPD), Sixteen banks, Temperature monitoring, Through Silicon Via (TSV) technology<\/p>\n<p>Upgrade Type: Generic<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M393A8K40B22-CWD Overview<\/p>\n<p>Samsung Registered DIMMs (or RDIMMs) are designed with an additional hardware register between the DRAM module and the system\u2019s memory controller. RDIMMs present several advantages for the system, such as a lower electrical load on the memory controller and sustained stability even with an increase in the number of installed memory modules. Thus, RDIMMs are often the default choice for deployment in server-class computing systems. In addition to Registered DIMM\u2019s features, Samsung memory provides an optimized solution for highly virtualized environments, high-performance computing and networking. Semiconductor modules of Samsung memory are designed with improved system circuit architecture to deliver higher performance with low power requirements.<\/p>\n","protected":false},"featured_media":150288,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[318],"product_cat":[267,5500],"product_tag":[269,270,271,272,479,275],"class_list":["post-150287","product","type-product","status-publish","has-post-thumbnail","product_brand-samsung","product_cat-memory-ram","product_cat-samsung-memory-ram-memory-ram","product_tag-64gb-ram","product_tag-ddr4-ram","product_tag-ecc-registered","product_tag-memory-ram","product_tag-pc4-21300","product_tag-sdram","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>M393A8K40B22-CWD Samsung 64GB PC4-21300 DDR4-2666MHz - 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\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M393A8K40B22-CWD Samsung 64GB PC4-21300 DDR4-2666MHz - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"M393A8K40B22-CWD Overview Samsung Registered DIMMs (or RDIMMs) are designed with an additional hardware register between the DRAM module and the system\u2019s memory controller. RDIMMs present several advantages for the system, such as a lower electrical load on the memory controller and sustained stability even with an increase in the number of installed memory modules. Thus, RDIMMs are often the default choice for deployment in server-class computing systems. In addition to Registered DIMM\u2019s features, Samsung memory provides an optimized solution for highly virtualized environments, high-performance computing and networking. Semiconductor modules of Samsung memory are designed with improved system circuit architecture to deliver higher performance with low power requirements.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geektechsol.com\/index.php\/product\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-09T21:18:02+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Samsung-M393A8K40B22-CWD.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<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\\\/\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\\\/\",\"name\":\"M393A8K40B22-CWD Samsung 64GB PC4-21300 DDR4-2666MHz - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Samsung-M393A8K40B22-CWD.jpg\",\"datePublished\":\"2026-09-09T21:17:47+00:00\",\"dateModified\":\"2026-09-09T21:18:02+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Samsung-M393A8K40B22-CWD.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Samsung-M393A8K40B22-CWD.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\\\/#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\":\"M393A8K40B22-CWD Samsung 64GB PC4-21300 DDR4-2666MHz\"}]},{\"@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":"M393A8K40B22-CWD Samsung 64GB PC4-21300 DDR4-2666MHz - 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\/m393a8k40b22-cwd-samsung-64gb-pc4-21300-ddr4-2666mhz\/","og_locale":"en_US","og_type":"article","og_title":"M393A8K40B22-CWD Samsung 64GB PC4-21300 DDR4-2666MHz - Geek Tech Sol","og_description":"M393A8K40B22-CWD Overview Samsung Registered DIMMs (or RDIMMs) are designed with an additional hardware register between the DRAM module and the system\u2019s memory controller. 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