With DDR5 RAM prices skyrocketing, some mid-range laptops could soon ship with budget-level specs. TrendForce expects companies like Dell and Lenovo to stock more notebooks with 8GB of memory. These reasonably priced options may no longer handle intense office and gaming tasks.
Apparently there are m.2 NVMe drives with DRAM caches.
I don’t know if anyone makes a pure DRAM NVMe drive — it’d forget its contents every boot — but if so, on Linux, you could make the block device a swap partition.