{"product_id":"samsung-64gb-2s2rx4-ddr4-2666v-pc4-21300-ecc-registered-memory-m393a8k40b22-cwd","title":"Samsung 64GB 2S2Rx4 DDR4-2666V PC4-21300 ECC Registered Memory M393A8K40B22-CWD","description":"\u003cp\u003e\u003c!--StartFragment--\u003e\u003cmeta content=\"text\/html; charset=us-ascii\" http-equiv=\"Content-Type\"\u003e\n\u003cstyle type=\"text\/css\"\u003ea {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003c\/p\u003e\n\n\u003ch1 style=\"text-align: justify;\"\u003eSamsung 64GB 2S2Rx4 DDR4-2666V PC4-21300 ECC Registered Memory M393A8K40B22-CWD\u003c\/h1\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eEnhance the performance and reliability of your enterprise server with the \u003cstrong\u003eSamsung M393A8K40B22-CWD 64GB DDR4-2666 ECC Registered Memory Module\u003c\/strong\u003e. Engineered for mission-critical environments, this high-capacity RDIMM delivers the stability, scalability, and data integrity required for virtualization, cloud computing, database management, analytics, and enterprise workloads.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eFeaturing a \u003cstrong\u003e64GB capacity\u003c\/strong\u003e, \u003cstrong\u003eDDR4-2666V\u003c\/strong\u003e operating speed, and a \u003cstrong\u003e2S2Rx4 dual-rank configuration\u003c\/strong\u003e, this module provides efficient memory bandwidth while maintaining dependable operation through advanced \u003cstrong\u003eECC (Error Correcting Code)\u003c\/strong\u003e technology. Its \u003cstrong\u003eRegistered DIMM (RDIMM)\u003c\/strong\u003e architecture enhances signal integrity and enables support for larger memory configurations in compatible servers.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eBuilt with Samsung's renowned DRAM technology, the M393A8K40B22-CWD is an excellent choice for data centers and organizations seeking reliable, enterprise-grade memory performance.\u003c\/p\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e64GB DDR4 SDRAM capacity\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDDR4-2666V (2666MT\/s) memory speed\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003ePC4-21300 performance rating\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eECC (Error Correcting Code) protection\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRegistered DIMM (RDIMM) design\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e2S2Rx4 dual-rank configuration\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e288-pin DIMM form factor\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e1.2V low-power operation\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eOptimized for enterprise servers and workstations\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSamsung enterprise-class memory reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable node=\"[object Object]\"\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003cth style=\"text-align: justify;\"\u003eSpecification\u003c\/th\u003e\n\t\t\t\u003cth style=\"text-align: justify;\"\u003eDetails\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eManufacturer\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eSamsung\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003ePart Number\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eM393A8K40B22-CWD\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eSKU\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eM393A8K40B22-CWD\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eCapacity\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003e64GB\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eMemory Type\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eDDR4 SDRAM\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eSpeed\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eDDR4-2666V\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eData Rate\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003e2666MT\/s\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003ePC Rating\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003ePC4-21300\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eError Correction\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eECC\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eModule Type\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eRegistered DIMM (RDIMM)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eRank Configuration\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003e2S2Rx4\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eForm Factor\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003e288-Pin DIMM\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eVoltage\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003e1.2V\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eApplication\u003c\/td\u003e\n\t\t\t\u003ctd style=\"text-align: justify;\"\u003eServer \/ Workstation Memory\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eBenefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSupports demanding virtualized and cloud environments\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eImproves server responsiveness for memory-intensive applications\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eECC technology helps detect and correct memory errors\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRDIMM design enhances stability in multi-DIMM deployments\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eIdeal for database, analytics, and enterprise workloads\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDesigned for continuous 24\/7 operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eAlternative Part Numbers\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eThe following modules offer similar specifications as \u003cstrong\u003e64GB DDR4-2666 ECC Registered 2Rx4 RDIMM\u003c\/strong\u003e memory and may be suitable alternatives depending on system certification requirements:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSamsung M393A8K40CB2-CTD\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSamsung M393A8K40BB2-CTD\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMicron MTA36ASF8G72PZ-2G6D1\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMicron MTA36ASF8G72PZ-2G6E1\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSK hynix HMAA8GR7AFR4N-VK\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSK hynix HMAA8GR7CJR4N-VK\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eCompatible Memory Modules\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eThe following server memory modules are commonly used alongside or as upgrades within compatible DDR4 ECC RDIMM platforms:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSamsung M393A8K40CB2-CTD (64GB DDR4-2666 ECC RDIMM)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSamsung M393A8K40BB2-CTD (64GB DDR4-2666 ECC RDIMM)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMicron MTA36ASF8G72PZ Series (64GB DDR4-2666 ECC RDIMM)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMicron MTA18ASF4G72PZ Series (32GB DDR4-2666 ECC RDIMM)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSK hynix HMAA8GR7AFR4N-VK (64GB DDR4-2666 ECC RDIMM)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSK hynix HMAA8GR7CJR4N-VK (64GB DDR4-2666 ECC RDIMM)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSamsung M393A4K40CB2-CTD (32GB DDR4-2666 ECC RDIMM)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eServer Compatibility\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eThis memory module is designed for systems supporting \u003cstrong\u003eDDR4 ECC Registered DIMM (RDIMM)\u003c\/strong\u003e technology and is commonly found in:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDell PowerEdge servers\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHPE ProLiant servers\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem servers\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eCisco UCS servers\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSupermicro server platforms\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eIntel Xeon Scalable processor-based servers\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eAMD EPYC server platforms supporting DDR4 RDIMMs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cem\u003eAlways verify memory compatibility, supported capacities, and population rules in your server manufacturer's documentation before installation.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eWhy Choose the Samsung M393A8K40B22-CWD?\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eThe \u003cstrong\u003eSamsung M393A8K40B22-CWD\u003c\/strong\u003e provides an ideal balance of capacity, performance, and enterprise-class reliability. With 64GB of ECC-protected DDR4-2666 memory, it enables servers to efficiently handle virtualization, large databases, business-critical applications, and demanding data center workloads while maintaining the stability expected from Samsung enterprise memory solutions.\u003c\/p\u003e\n","brand":"Samsung","offers":[{"title":"Default Title","offer_id":67894182150217,"sku":"M393A8K40B22-CWD","price":474.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/3868\/3209\/files\/eadcad16-0555-5ed4-be68-98d83f53641a.png?v=1794595082","url":"https:\/\/parts.theserverstore.com\/products\/samsung-64gb-2s2rx4-ddr4-2666v-pc4-21300-ecc-registered-memory-m393a8k40b22-cwd","provider":"The Server Store Parts","version":"1.0","type":"link"}