Recently, SK hynix quietly added a single 16Gb single-die DDR4 memory module to its product catalog to create a large memory module with fewer chips and pave the way for a single 256GB memory module.
16Gb and even 32Gb DDR4 particles is not uncommon, SK hynix has long been, but with two or four 8Gb Die stacked, and then create a 16GB, 32GB memory.
However, such densely stacked memory particles and memory modules are quite complex. For example, a 64 GB LRDIMM sliver needs to be set to four Ranks and 128 GB has eight Ranks. As a result, the latency is very high. The DDR4-2400 / 2666 has to achieve CL20 / 22 .
With single Die 16Gb particles, the complexity of large memory modules can be greatly reduced , 64GB, 128GB respectively only two, four Rank, and Eight Rank will be able to create a single 256GB capacity.
For the server, a single memory capacity of the more favorable, for example Scalable Xeon M series supports six channels, up to 12 memory, a single 256GB words, the total single-channel capacity up to 3TB, AMD EPYC's eight-channel is able to do single 4TB.
of course, The price is unimaginable, the Crucial 128GB DDR4 LRDIMM is now $ 3999.99 retail, how 256GB have five or six thousand US knife, RMB thirty-four thousand relaxed.
Go back and talk about SK Hynix single Die 16GB DDR4 particle size specifications, divided into 1G × 16, 2G × 8 two ways are provided 2133/2400 / 2666MHz Three kinds of frequency, sequence 15-15-15 / 17-17-17 / 19-19-19, the voltage is only 1.2V, among them the low frequency has already been delivered, the high frequency has to wait for the third quarter.
