Amazon.com: PIONEER 256GB NVMe SSD PCIe M.2 2280 Gen 3x4 TLC Internal High Speed Read/Write up to 3100/1000MB/s Solid State Drive, 300 TBW, PC Laptop Compatible (APS-SE20G-256) : Electronics
HowTo] Get full NVMe Support for all Systems with an AMI UEFI BIOS - NVMe Support for old Systems - Win-Raid Forum
Any tricks installing m.2 on old motherboards? - Storage Devices - Linus Tech Tips