Rambus unveils chipsets for next-gen DDR5 MRDIMM memory up to 12,800 MT/s

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Rambus Unveils Industry-First Complete Chipsets for Next-Generation DDR5 MRDIMMs and RDIMMs

• Introduces industry’s first Gen5 DDR5 RCD for RDIMMs at 8,000 MT/s, MRCD and MDB chips for next-generation MRDIMMs at 12,800 MT/s, and a second-generation server PMIC to support both
  
• Incorporates advanced clocking, control, and power management features needed for higher capacity and bandwidth modules operating at 8000 MT/s and above
  
• Feeds insatiable demand for higher memory performance in advanced data center and AI workloads
  

Rambus Inc., a premier chip and silicon IP provider making data faster and safer, today unveiled industry-first, complete memory interface chipsets for Gen 5 DDR5 RDIMMs and next-generation DDR5 Multiplexed Rank Dual Inline Memory Modules (MRDIMMs). These innovative new products for RDIMMs and MRDIMMs will seamlessly extend DDR5 performance with unparalleled bandwidth and memory capacity for compute-intensive data center and AI workloads.

“The voracious memory demands of AI and HPC require the relentless pursuit of higher performance through continued innovation and technology leadership,” said Sean Fan, chief operating officer at Rambus. “With our 30-plus years of renowned high-speed signal integrity and memory system expertise, the Rambus Gen5 RCD, and next-generation MRCD, MDB, and PMIC will be critical enabling chips in future-generation servers leveraging DDR5 RDIMM 8000 and MRDIMM 12800.”



The new Rambus chips include:

• The Gen 5 Registering Clock Driver (RCD), enabling RDIMMs operating at 8000 megatransfers per second (MT/s).
  
• The Multiplexed Registering Clock Driver (MRCD) and Multiplexed Data Buffer (MDB), enabling upcoming MRDIMMs running at speeds up to 12,800 MT/s by doubling the bandwidth of the DIMM beyond the native DRAM device speed.
  
• The second-generation server Power Management IC (PMIC5030) designed for both DDR5 RDIMM 8000 and MRDIMM 12800, providing ultra-high current at low voltage to support higher speeds and more DRAM and logic chips per module.
  

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