Without a doubt, RamDisks have been the most misunderstood, but greatest upgrade and addition to any computer. They are at least 5 times faster than NVMe drives, 15 times faster than the fastest SSD, so why doesn't everybody have one?
If you don't have enough RAM to spare is one good reason. But why don't you? If you told yourself, I never use more than 4 GB or 8 GB or ?? You ask yourself the wrong question. You should have asked "what can I do with more RAM?" and then investigated.
This video was produced on a 5-year old ASUS Z97-Pro, Intel 4790K OC'd to 4400 MHz, with32 GB RAM, 16 GB dedicated to a RamDisk (A:\ drive). It's image file is on my D:\ is an Intel NVMe drive and my E:\ drive a hot swap WD SSD - E:\ is the slowest drive involved in copying 1100+files to A:\ and monitoring how quickly the image file was updated.