Rambus Unveils Industry-First Complete Chipsets for Next-Generation DDR5 MRDIMMs and RDIMMs to Deliver Breakthrough Performance for Data Center and AI

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www.rambus.com, Oct. 15, 2024 – 

Highlights:

• 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

Figure 1: DDR5 MRDIMM 12800 (Front) Concept Image Showing Rambus MRCD, MDB, SPD Hub and Temperature Sensor ICs

Figure 2: DDR5 MRDIMM 12800 (Back) Concept Image Showing Rambus PMIC5030 and MDB ICs

SAN JOSE, Calif. – Oct. 15, 2024 – Rambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today unveiled industry-first, complete memory interface chipsets for Gen5 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 new Rambus chips include:

• The Gen5 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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