I kind of wanted to hear about the most "dense" storage mechanism in existence today and to have those compared ;) Eg. a 1TB USB flash (casing removed as long

I kind of wanted to hear about the most "dense" storage mechanism in existence today and to have those compared ;) Eg. a 1TB USB flash (casing removed as long it's operational), vs a microSD card vs a NVMe SSD vs a SATA SSD vs a hard drive vs a CD/DVD/BlueRay vs RAM chips...