ELL SNP4JMGMC/64G 64gb 2666mhz Pc4-21300 Cl19 Ecc Registered Quad Rank X4 1.2v Load-reduced Ddr4 Sdram 288-pin Lrdimm Memory Module.General Information:Manufacturer: DELLManufacturer Part Number: SNP4JMGMC/64GProduct Name: 64gb Ddr4 Sdram Memory ModuleTechnical Information:Storage Capacity: 64gbMemory Technology: Ddr4 SdramNumber Of Modules: 1 X 64gbBus Speed: 2666mhz Ddr4-21300/pc4-2666vData Integrity Check: EccSignal Processing: RegisteredCas Latency Timings: Cl19Rank Features: Quad Rank X4Physical Characteristics:Form Factor: 288-pin LrdimmShipping Dimensions: 1.00 (height) X 6.7Shipping Weight: 0.20 LbCompatibility:This Product Is Compatible With The Following Systems:Poweredge C6420Poweredge Fc640Poweredge M640Poweredge R440Poweredge R540Poweredge R640Poweredge R740Poweredge R740xdPoweredge R940Poweredge T440Poweredge T640