Shulou(Shulou.com)11/24 Report--

CTOnews.com, September 29, SK Hynix unveiled a number of new memory modules at Intel InnovatiON 2022, including 48GB and 96GB specifications, as well as common 32GB, 64GB and 128GB densities with data rates of DDR5-5600 and DDR5-6400.

The company has consumer-grade DDR5 in standard DIMM and SODIMM form factors, and this kind of server memory reveals many secrets unknown to ordinary users, for example, this DDR5 server memory does not use binary (that is, 1, 2, 4, 8, 16, 32, 64, 128GB) rules.

CTOnews.com learned that there are three main types of memory (DIMM) currently used in the server space-- UDIMM, RDIMM, and LRDIMM. The RDIMM produced by SK Hynix is called Registered DIMM, which is a dual inline memory module with registers.

RDIMM adds a register to the memory bar for transmission, which is located between CPU and memory particles, which not only reduces the distance of parallel transmission, but also ensures the effectiveness of parallel transmission. Because of the high efficiency of registers, it is easier to improve the capacity and frequency of UDIMM,RDIMM.

Hynix did not show the 8GB and 16GB modules at the show because they said the 32GB would be the new mainstream-level starting capacity. In addition, foreign media said that there may be suppliers to launch 192GB modules in the future, and Meguiar and Samsung also have 48GB and 96GB DDR5 RDIMM, although they did not show them at the exhibition.

Foreign media said that the exhibit is for the memory of server products, so it is unlikely to be XMP or overclocked SPD, but the processor can automatically match to the JEDEC standard. This indicates that DDR5-5600 (JEDEC standard) may be the standard memory speed supported by processors, and some (or all) models also support DDR5-6400.

Hynix exhibited the DDR5-5600 RDIMM of the largest 256GB, which means that each slot of the server can achieve the memory size of 4TB (2 RDIMM per channel).

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