Samsung's 990 EVO can utilize the PCIe 5.0 bus, but it's constrained to two lanes (x2) and performs strictly like a PCIe 4.0 SSD. A somewhat pricey, and not particularly fast PCIe 4.0 SSD, at that.
Samsung's 990 Evo is its first consumer PCIe 5.0 SSD
Samsung 990 EVO review: A bargain PCIe 5.0 NVMe SSD--sort of
Samsung 990 Pro SSD review: The pinnacle of Gen 4 SSD performance
Samsung's New 990 EVO SSD Supports Both PCIe 4.0 x4 and PCIe 5.0 x2 Interfaces - TechEBlog
Samsung 990 EVO SSD Review
Samsung 990 PRO series of high-end PCIe Gen4 SSDs is getting a 4TB model next month
Fast speeds. Power efficiency. Temperature control. It’s everything you want in a storage device. It boasts the latest available PCIe 5.0 interface along with improved performance compared to 970 EVO Plus.
Samsung 990 Evo NVMe PCIe Gen 4.0 x4/5.0 X2 M.2 2280 Internal SSD 1TB
Samsung Introduces the 990 EVO SSD with PCIe 5.0 x2 Interface
The 990 EVO SSD is Samsung's latest NVMe SSD
Samsung will soon launch 4TB version of 990 PRO SSD - SamMobile
