What speed can a 14900KS (6.2 Ghz) run SQM Cake at?

I just thought to myself what kind of bandwidth could you shape with a 14900KS overclocked to its limits (like 6.2 Ghz).

Do you think it would be upwards of 15 Gbps?

I would think you wouldn't need SQM if you had 15Gbps.