Record the 220 W, 250 W, and 285 W sweep on PCIe Gen4 x16 and Gen3 x16. State the testbed, the reproduce commands, and the results. Add the findings: prefill scales sub-linearly, +12.9% from 220 W to 285 W on Gen4, while decode stays inside the measured spread. Recommend Gen4 at 250 W. Co-Authored-By: Hinata <hinata@idihore.id> Signed-off-by: MOVZX <movzx@yahoo.com>