[Beltiras]

PCI-ex version 4, double the xfer rate. It can handle a massive 16 GB/s. Are there even disks that can handle that speed?

[gameswithgo]

not yet.

[spoonalious]

https://www.aorus.com/AORUS-Gen4-AIC-SSD-8TB

15000MB/sec, available now for $3119 AUD.

[wtallis]

That's just four SSDs mounted on one riser card with a fan. If you're going to count the aggregate bandwidth of an array, then the question's almost meaningless.