No. You can get a PowerBook today with 128 GB ram.
https://www.bhphotovideo.com/c/product/1957120-REG/apple_mbp...
https://www.bhphotovideo.com/c/product/1957120-REG/apple_mbp...
$3649 with 128GB of ram
Bosgame M5 AI Mini Desktop Ryzen AI Max+ 395 96GB variant €1.800,95 (sold out)
128GB+2TB variant €2.401,95 (in stock)
I have the latter, it's fantastic