Mad Shrimps posted a review on the Silicon Power UD70 PCIe Gen3x4 M.2 2280 1TB SSD
A quote from the article:
The UD70 mainstream SSD from Silicon Power is QLC-based but also uses DRAM caching and a Phison PS5012-E12S-32 controller, succeeding to keep writing speeds over 100MB/s after the SLC pseudo-cache has been fully occupied. With the SLC cache emptied, it can reach the rated speeds without any issues...Silicon Power UD70 PCIe Gen3x4 M.2 2280 1TB SSD Review