Question · Q4 2025
Bastien Faucon asked about the expected average DIMMs per CPU in 2027, considering memory cost and shortages, and the anticipated RCD contribution of DDR5 Gen 3 relative to Gen 1 and 2 in 2026.
Answer
Luc Seraphin (CEO, Rambus) explained the complex dynamic of DIMMs per CPU, influenced by bandwidth vs. capacity needs and the broader memory market situation, noting overall market constraints. He stated that DDR5 Gen 2 was predominant in Q4 2025, with Gen 3 starting to ramp and expected to be dominant in 2026, while Gen 4 would have limited adoption and Gen 5 would depend on next-generation platform introductions.
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