DDR4 Registered Memory (RDIMM and LRDIMM)

Key takeaways

• 8,270 listings match this collection right now.
• RDIMM buffers only the command and address lines, while LRDIMM adds a data buffer chip that lets higher-rank modules reach larger capacities without overloading the memory bus.
• Xeon Scalable and EPYC platforms across multiple generations accept DDR4 registered memory, and the maximum capacity per slot depends on the platform's memory controller rather than on the module itself.
• Both RDIMM and LRDIMM run at the standard DDR4 operating voltage of 1.2V, a generation-wide spec that applies regardless of which of the two buffering types a given module uses.