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Domestic flash cost exposed, 1 TB SSD hard disk sold more than 700 yuan

via:驱动之家     time:2021/4/14 19:12:13     readed:115

The price of SSD hard disk has increased recently. However, considering the differences in performance, volume and weight, we will still choose SSD instead of HDD Hard disk for upgrading and installation. The latter will only be considered when large capacity warehouse disk is needed.

The development of SSD hard disk depends on NAND flash memory, and its cost determines how far SSD can go. At present, the six major flash memory factories have stacked flash memory to more than 100 layers, and the high ones even have 176 layers. In the future, they can stack flash memory to more than 500 layers.

How low is the cost of flash memory? At last year's FMS conference, Research Institute techinsights analyzed the flash cost of major flash memory manufacturers. In addition to Samsung, Aixia / Western Digital, SK Hynix and Meguiar / Intel, there were even the flash cost of domestic ymtc Changjiang storage company.

According to this analysis,The 38nm process in the 2D era costs 19.5 cents per GB, or US $0.195. In addition, Samsung z-nand, a special flash memory, costs 5.67 cents per GB.

According to the cost of 1 cent / GB,The cost of that 1TB hard disk is about 80 dollars, about 522 yuan.

It is worth mentioning that the cost control of 64 layer flash memory of domestic Changjiang storage is not bad,It's about 1.5 cents / GB, and it's more than 780 yuan for 1TB,Compared with the current 2.5-inch 1TB version of the price of 700, a single may be a loss.

These flash memory stacks have become mainstream products, and the cost of these flash memory stacks will still be reduced by one.

国产闪存成本曝光

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