General InformationKTDPE426LQ64G Kingston memory is designed manufactured and rigorously tested to meet the exact specifications of each brand name system Its guaranteed to be compatible and backed by a lifetime warranty and legendary Kingston reliabilityTechnical InformationMemory Size 64 GBMemory Technology DDR4 SDRAMMemory Voltage 120 VNumber of Modules 1 x 64 GBMemory Speed 2666 MHzMemory Standard DDR42666PC421300Device Supported ServerPhysical CharacteristicsNumber of Pins 288pinForm Factor LRDIMMMiscellaneousCompatibility Dell Servers PowerEdge R640 PowerEdge R740 PowerEdge R740xd PowerEdge R940 WarrantyLimited Warranty Lifetime