Micron demonstrates first 512GB DDR5 server memory module

September 19, 2026 at 10:11 PM1 min

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Micron Technology on September 15 announced the successful demonstration of a 512GB DDR5 RDIMM memory module for servers, the first of its kind worldwide. The module reaches speeds up to 9,200 MT/s and cuts power consumption by more than 60% versus four 128GB modules. AMD and Intel are validating the technology for next-generation server platforms.

Key Facts

Micron's 512GB DDR5 RDIMM is the first module of its kind in the world, according to the company.
The module consumes 16 watts, more than 60% less than the 44.2 watts used by four 128GB modules providing the same capacity.
Micron expects the 512GB DDR5 module to enter volume production in the back half of 2027.
Micron reported $100 billion in remaining performance obligations from agreements already signed.
In June, Micron said 16 strategic customer agreements were expected to provide $22 billion in cash deposits and related financial commitments.

Module Specifications

The 512GB DDR5 RDIMM reaches speeds of up to 9,200 MT/s. It enables as much as 12TB of DDR5 DRAM in a 24-slot dual-socket server. The module delivers up to 1.4 times higher performance compared to 256GB DDR5 configurations in certain analytics workloads.

Market Demand

Micron's 16 strategic customer agreements span data center, automotive, and consumer markets. The agreements include take-or-pay commitments, cash deposits, and pricing floors. Micron expects tight market conditions to persist beyond 2027.