Samsung has launched a hybrid gumstick SSD, the 990 EVO, which supports both PCIe gen 4 and 5.
Samsung's 990 Evo SSD supports PCIe 4.0 x4 and 5.0 x2 and I hope it's the first of many hybrid solutions
Samsung 990 EVO SSD released: hybrid Gen5 + Gen4 SSD with up to 5GB/sec reads starts at $124.99
Samsung 990 Evo Review: A Cool PCIe 5.0 SSD
Building the Ultimate After Effects Computer
Acer Predator Orion 5000 PO5-640 overal performance upgrades. — Acer Community
SSD Sequential Write Slowdowns : r/hardware
Blocks and Files posted on LinkedIn
Samsung's 990 EVO SSD is a PCIe gen 4 and 5 hybrid – Blocks and Files
Samsung SSD 990 Pro Review
Samsung 980 Pro versus WD Black SN805X SSD Comparison – NAS Compares
Samsung's brand-new 2TB 990 Evo hybrid PCIe Gen 5 / 4 M.2 SSD is already discounted – but you might want to buy a different Samsung drive instead
Samsung Announces Standards-Compliant Key-Value SSD Prototype