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JEDEC's DDR5 MRDIMM Gen 2 Standard Pushes Memory Speeds Toward 12,000 MT/s by Zak Killian — Friday, May 01, 2026, 02:20 PM EDT JEDEC is pushing server memory even faster with its next-generation DDR5 MRDIMM roadmap, and no, this probably isn't the kind of RAM you'll be dropping into your next gamin… …
… According to AMD, EXPO ULL memory kits deliver 13% better frame rates compared to standard JEDEC memory, and 4% better frame rates versus original EXPO memory settings. …
… AMD claims you could get as much as 13% extra performance versus JEDEC memory on a Ryzen 7 9700X, although the benefit versus a standard EXPO kit is smaller, around 4%. …
… That's great, but as we just noted, second-generation JEDEC MRDIMMs are normally associated with the 12800 MT/s speed class. …
… The ASRock Industrial IMB-X1714 is a very stodgy-looking green platter with absolutely zero overclocking features, which means he had to run the RAM on both the Core 7 273PQE and his Core i9-14900K comparison at pure JEDEC specifications: DDR5 5600 CL46. …
… That powerful system came with high-end memory that was only equipped with standard JEDEC memory timings. …
… The performance claims are certainly attention-grabbing, with AMD citing up to 13 percent better average frame rates and 15 percent better one-percent lows on a Ryzen 7 9700X when compared to standard JEDEC memory. …
… However, you can also see memory latency gains improving the worst-case 1% low frame rates even with the discrete GPU, especially when moving from slow JEDEC timings to fast EXPO profiles. …