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Phison's first PCIe 5.0 NVMe controller PS5026-E26 pushes access speeds above 11GB/s

September 21, 2022

As with previous generations, the original PCIe 5.0 NVMe controllers are approximately 50% faster or more.


Phison released the first PCIe 5.0 NVMe SSD controller information at the end of September last year, and the model PS5026-E26 is scheduled to start mass production by the end of the same year. During the CES 2022 exhibition, there was finally a little more information revealed, and we should be able to see brand products on the market smoothly this year.

PS5026-E26 complies with PCIe 5.0, NVMe 2.0 transmission interface/protocol specifications, is based on 8 data transmission channel design, and can control up to 32 flash memory bare wafers. It supports the latest ONFI 5.0, Toggle 5.0 type TLC, QLC 3D NAND chips, with DDR4 or LPDDR4 dynamic random access memory, the maximum capacity of the finished product is 32TB.


Phison only vaguely mentioned that the PS5026-E26 can bring a 10GB/s level speed experience, and there is no more reference information. They finally released some news at CES 2022 related activities. The current development and adjustment progress is able to achieve sequential read 12GB/s and write 11GB/s. As for 4K random access throughput, read 1,500K IOPS, write 2,000K IOPS.


The current second-generation PCIe 4.0 NVMe controller PS5018-E18 is tuned for sequential read 7,400MB/s, write 7,000MB/s, and 4K random access throughput of 1000K IOPS. PS5026-E26 is a real improvement of 50% or more

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