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As in previous SDRAM encodings, A10 is used to select command variants: auto-precharge on read and write commands, and one bank vs. all banks for the precharge command. It also selects two variants of the ZQ calibration command. Released to the market in 2014, [2] [3] [4] it is a variant of dynamic random-access memory (DRAM), of which some have been in use since the early 1970s, [5] and a higher-speed successor to the DDR2 and DDR3 technologies.DDR4 shoppers should be careful, as there are reports of vendors desoldering DDR4 chips from server memory and recycling them into consumer memory kits. The reused chips are flooding the memory market and will influence the spot market pricing.

Samsung Samples Industry's First 16-Gigabyte Server Modules Based on DDR4 Memory technology" (press release). Samsung.Nilsson, Lars-Göran (2010-08-16). "DDR4 not expected until 2015". Semi accurate . Retrieved 2011-04-29. Volker, Rißka (2008-08-21). "IDF: DDR4 als Hauptspeicher ab 2012"[Intel Developer Forum: DDR4 as the main memory from 2012]. Computerbase (in German). DE . Retrieved 2011-04-28. ( English)

Independent programming of individual DRAMs on a DIMM, to allow better control of on-die termination.a b "Samsung Develops Industry's First DDR4 DRAM, Using 30nm Class Technology". Samsung. 2011-04-11. Archived from the original on 2011-07-16.

Builders who put a premium on aesthetics face a tough choice between the best-looking and best-performance parts. Corsair brings a bit of both in its Vengeance RGB DDR4-3200 kit, providing four 8GB DIMMs (32GB total) at CAS 16 timings for a price that’s reasonably moderate given the recent market trends. And this kit isn’t all about looks; it has the goods where benchmarks are concerned, too. Corsair’s easy workaround for the performance problem of Intel’s DDR4-2666 limit was to use older, low-density chips to populate its 8GB DIMMs with two ranks, rather than the single rank of its competitors. The best part is that they did this without a significant price increase. We recommend it for anyone whose XMP-compatible platform has a maximum DDR4-2666 data rate, including most retail boxed H370 and B360 motherboards.It's hard to find reasons not to like the Trident Z5 Neo RGB DDR5-6000 C30. The memory kit works immaculately out of the box and offers solid performance. That alone is enough to win the majority of buyers over. Looks, as usual, are subjective, but you can't dispute the Trident Z5 Neo RGB's premium exterior. Like its competition, G.Skill uses SK hynix M-die ICS for the memory kit, so some tweaking headroom is left in memory modules. a b c d e 後藤, 弘茂 [Gotou Shigehiro] (16 August 2010). "メモリ4Gbps時代へと向かう次世代メモリDDR4"[Towards Next-Generation 4Gbps DDR4 Memory]. 2010-08-16 (in Japanese). JP: PC Watch . Retrieved 2011-04-25. ( English translation) Emily Desjardins (25 September 2012). "JEDEC Announces Publication of DDR4 Standard". JEDEC . Retrieved 5 April 2019.