Toshiba launches two civilian-grade 96-layer stacked TLC SSDs - RD500 & RC500
By Sigismondo Eisenhower 2019-08-02 1227 0
Both SSDs do not come with the heat sinks that are already very common. They are all standard M.2 2280 sizes and use PCIe 3.0 X4 interfaces. They support the NVMe 1.3c standard. The difference between RD500 and RC500 is that The RD500 uses a new eight-channel master of Toshiba's own, while the RC500's main control is only four channels. This gap leads to a nominal performance. The RC500 is basically only half of the RD500.
In terms of capacity configuration, it is obvious that the positioning of these two SSDs is poor. The RD500 starts directly from 500GB, with a maximum of 2TB, while the RC500 is from 250GB and provides a maximum of 1TB. The sequential read and write speed of the RD500 is 3400/3200MB per second, and the RC500 parameters are half of the RD500. For random reads and writes, the RD500 has a throughput of 685k/625k IOPS and the RC500 is 355k/410k. And Toshiba provides a five-year warranty for the RD500, while the RC500 is only three years old.
Before Toshiba's 96-layer TLC granules were used in their products for the enterprise market. The XG6 launched last year used a 96-layer stack, and the RD500 and RC500 masters should be new, unlike the previous XG6. The main control still uses the XG5, which is higher in performance and durability than the previous 64-layer stacked TLC particles.
Both SSDs will be officially launched in the fourth quarter of this year, and the price of these two SSDs is not yet known. Currently, the SSDs that can be purchased in the consumer market using 96-layer TLC NAND include Samsung's 970 EVO PLUS, Kingston's KC2000, etc. In addition, major NAND manufacturers such as Magnesium have also introduced 96-layer TLC particles, but with the QLC tide. The arrival of SSD vendors is not very anxious to push the use of 96-layer stacked TLC products, the recent SSD prices have begun to stabilize and rebound.
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