That's pretty much the speed that Samsung advertises for the 980 Pro: https://www.samsung.com/us/computing/memory-storage/solid-st...

And what WD advertises for the Black SN850: https://www.westerndigital.com/products/internal-drives/wd-b...

And what Seagate advertises for the FireCuda 530: https://www.seagate.com/products/gaming-drives/pc-gaming/fir...

And what Gigabyte advertises for the Gen4 7000s: https://www.gigabyte.com/Solid-State-Drive/AORUS-Gen4-7000s-...

etc...

They aren't $100 for 1TB, no, but a lot of them are around $150. Which would be a lot less than +$100 to go from 512GB to 1TB, too. It's $40 to go from the 500GB SN850 to the 1TB SN850, for example.