https://wccftech.com/phisons-next-gen-ps5020-e20-gen-4-nvme-ssd-controller-spotted-aimed-at-high-end-data-center-solutions/ > Phison doesn't seem to be done with its PCIe Gen 4 SSD controllers yet as a listing over at IOL has revealed the upcoming PS5020-E20 controller. > Currently, Phison offers its PS5016-E16 mainstream and PS5018-E18 high-end PCIe Gen 4 NVMe SSD controllers for the consumer segment. Phison has also confirmed specifications and details of its upcoming PS5026-E26 controller, its first PCIe Gen 5 SSD controller. As of right now, Phison offers up to 7400 MB/s Read and 7000 MB/s Write speeds for their top-end Gen 4 products while Gen 5 is posed to bring speeds of 12,000 MB/s Read and 11,000 MB/s Write.