Hi,
Your PCB stack up points out DQS trace in L3 (Ref L2/L5 ; W/S 5/8 mil)impedance is 80 ohm.
Becase our PCB stack up is copy yours, but PCB vendor points out DQS trace in L3
Ref L2/L5 ; W/S 5/8 mil) impedance is 94 ohm.
Could you check it again or pase your Impendacne form to formus?
TKs.