Western Digital’s official Twitter announced the official launch of the WD_BLACK SN850X SSD, with a maximum capacity of 7,300 MB/s and an optional 4TB capacity. On the official website of Western Digital overseas, the SN850X 1TB is priced at $159.99 (about 1081.53 yuan), and the 2TB is priced at $289.99 (about 1960.33 yuan), plus $20 to add cooling armor. The 4TB model comes with cooling armor and costs $699.99 (about 4731.93 yuan).
In terms of parameters, the SN850X 1TB sequential read speed is 7300MB/s, sequential write speed is 6300MB/s, random read speed is 800k IOPS, random write speed is 1100k IOPS, and durability is 600 TBW.
SN850X 2TB sequential read speed 7300MB/s, sequential write speed 6600MB/s, random read speed 1200k IOPS, random write speed 1100k IOPS, endurance 1200 TBW. SN850X 4TB sequential read speed 7300MB/s, sequential write speed 6300MB/s, random read speed 1200k IOPS, random write speed 1100k IOPS, endurance 2400 TBW.
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