{"product_id":"cisco-16gb-1rx4-ddr4-2666-pc4-21300-ecc-registered-memory-samsung-m393a2k40db2-ctd-ucs-mr-x16g1rs-h-15-105079-01","title":"Cisco 16GB 1Rx4 DDR4-2666 PC4-21300 ECC Registered Memory Samsung M393A2K40DB2-CTD UCS-MR-X16G1RS-H 15-105079-01","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;\"\u003e\n\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\/h1\u003e\n\n\u003ch1\u003eCisco 16GB 1Rx4 DDR4-2666 PC4-21300 ECC Registered Memory Samsung M393A2K40DB2-CTD UCS-MR-X16G1RS-H 15-105079-01\u003c\/h1\u003e\n\n\u003cp\u003eUpgrade your Cisco UCS server infrastructure with the Cisco UCS-MR-X16G1RS-H 16GB DDR4 Registered ECC memory module. Built with high-quality Samsung DRAM components, this enterprise-grade RDIMM delivers reliable performance, enhanced data integrity, and efficient memory bandwidth for demanding virtualization, database, cloud, and business-critical workloads. Operating at DDR4-2666 (PC4-21300) speeds, this module is designed to provide dependable operation in compatible Cisco UCS servers while supporting ECC error correction for improved system stability.\u003c\/p\u003e\n\n\u003cp\u003eIdeal for data center environments, the Cisco UCS-MR-X16G1RS-H combines 16GB of capacity with a 1Rx4 single-rank architecture, making it an excellent choice for expanding server memory resources while maintaining compatibility with Cisco-certified hardware platforms.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSKU\u003cstrong\u003e:\u003c\/strong\u003e M393A2K40DB2-CTD-CISCO\u003c\/li\u003e\n\t\u003cli\u003eCapacity: 16GB\u003c\/li\u003e\n\t\u003cli\u003eMemory Type: DDR4 SDRAM\u003c\/li\u003e\n\t\u003cli\u003eSpeed: DDR4-2666 \/ PC4-21300\u003c\/li\u003e\n\t\u003cli\u003eForm Factor: 288-Pin RDIMM\u003c\/li\u003e\n\t\u003cli\u003eRank Configuration: 1Rx4\u003c\/li\u003e\n\t\u003cli\u003eError Checking: ECC (Error-Correcting Code)\u003c\/li\u003e\n\t\u003cli\u003eRegistered\/Buffered: Registered (RDIMM)\u003c\/li\u003e\n\t\u003cli\u003eVoltage: 1.2V\u003c\/li\u003e\n\t\u003cli\u003eManufacturer: Samsung\u003c\/li\u003e\n\t\u003cli\u003eManufacturer Part Number: M393A2K40DB2-CTD\u003c\/li\u003e\n\t\u003cli\u003eCisco Part Number: UCS-MR-X16G1RS-H\u003c\/li\u003e\n\t\u003cli\u003eCisco Assembly Number: 15-105079-01\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eImproves server responsiveness and multitasking capability\u003c\/li\u003e\n\t\u003cli\u003eEnterprise-class ECC protection helps reduce memory-related errors\u003c\/li\u003e\n\t\u003cli\u003eOptimized for Cisco UCS server environments\u003c\/li\u003e\n\t\u003cli\u003eSupports demanding virtualized and cloud workloads\u003c\/li\u003e\n\t\u003cli\u003eHigh-speed DDR4-2666 performance for improved throughput\u003c\/li\u003e\n\t\u003cli\u003eGenuine Samsung memory integrated into Cisco-qualified hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlternative Part Numbers\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eM393A2K40DB2-CTD\u003c\/li\u003e\n\t\u003cli\u003eUCS-MR-X16G1RS-H\u003c\/li\u003e\n\t\u003cli\u003e15-105079-01\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Memory Modules\u003c\/h2\u003e\n\n\u003cp\u003eThe following modules are commonly deployed alongside this memory in compatible Cisco UCS platforms, provided system specifications and population rules are followed:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCisco UCS-MR-X16G1RS-H (16GB DDR4-2666 RDIMM)\u003c\/li\u003e\n\t\u003cli\u003eCisco UCS-MR-X32G1RS-H (32GB DDR4-2666 RDIMM)\u003c\/li\u003e\n\t\u003cli\u003eCisco UCS-MR-X64G2RS-H (64GB DDR4-2666 RDIMM)\u003c\/li\u003e\n\t\u003cli\u003eSamsung M393A2K40DB2-CTD (16GB DDR4-2666 ECC RDIMM)\u003c\/li\u003e\n\t\u003cli\u003eSamsung M393A4K40CB2-CTD (32GB DDR4-2666 ECC RDIMM)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eProduct Type: Server Memory Module\u003c\/li\u003e\n\t\u003cli\u003eCapacity: 16GB\u003c\/li\u003e\n\t\u003cli\u003eTechnology: DDR4 ECC Registered SDRAM\u003c\/li\u003e\n\t\u003cli\u003eData Rate: 2666 MT\/s\u003c\/li\u003e\n\t\u003cli\u003eBandwidth: PC4-21300\u003c\/li\u003e\n\t\u003cli\u003eRank: Single Rank (1Rx4)\u003c\/li\u003e\n\t\u003cli\u003eCAS Latency: CL19\u003c\/li\u003e\n\t\u003cli\u003eVoltage: 1.2V\u003c\/li\u003e\n\t\u003cli\u003ePin Count: 288-Pin\u003c\/li\u003e\n\t\u003cli\u003eBuffered Type: Registered (RDIMM)\u003c\/li\u003e\n\t\u003cli\u003eECC Support: Yes\u003c\/li\u003e\n\t\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\n\u003cp\u003eThis memory module is designed for enterprise server environments including:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCisco UCS Rack Servers\u003c\/li\u003e\n\t\u003cli\u003eCisco UCS Blade Servers\u003c\/li\u003e\n\t\u003cli\u003eVirtualization Hosts\u003c\/li\u003e\n\t\u003cli\u003eDatabase Servers\u003c\/li\u003e\n\t\u003cli\u003eCloud Infrastructure\u003c\/li\u003e\n\t\u003cli\u003eBusiness-Critical Enterprise Applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhether expanding an existing Cisco UCS deployment or replacing a failed memory module, the Cisco UCS-MR-X16G1RS-H provides the reliability, compatibility, and performance required for modern data center operations.\u003c\/p\u003e\n","brand":"Cisco","offers":[{"title":"Default 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