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from the remember-when-a-hard-disk-held-20MB? dept.
Samsung Unveils 32 GB DDR4-2666 SO-DIMMs
Samsung on Wednesday introduced its first consumer products based on its 16 Gb DDR4 memory chips demonstrated earlier this year. The new SO-DIMMs are aimed at high-performance notebooks that benefit from both speed and capacity of memory modules.
Samsung's new 32 GB DDR4 SO-DIMMs based on 16 Gb DDR4 memory ICs (integrated circuits) are rated for a 2666 MT/s data transfer rate at 1.2 V. Because the 16 Gb memory chips are made using Samsung's 10 nm-class process technology, the new module is claimed to be 39% more energy efficient than the company's previous-gen 16 GB SO-DIMM based on 20 nm-class ICs. According to Samsung, a laptop equipped with 64 GB of new memory consumes 4.578 W in active mode, whereas a notebook outfitted with 64 GB of previous-gen DDR4 consumes 7.456 W in active mode.
Insert obligatory ECC comment here.
Samsung press release. Also at Tom's Hardware and DigiTimes.
(Score: 1, Interesting) by Anonymous Coward on Monday June 04 2018, @08:22PM
Possibly a silly thought and probably has severe performance cost associated, but we have software RAID in linux for storage; what happens if we were to implement software ECC for memory? How feasible is it? What funky features and use cases could this enable if we allowed only specific chunks of memory space to be software-ECC-enabled (with varying levels of redundancy), much like you can chop up block devices in Linux with LVM2 and do all sorts of mix-and-match and weird layering with RAID on top of that?