 The VAX 8250 and VAX 8350 are faster models of the VAX 8200 and VAX 8300 introduced in early March 1987.They use the KA825 CPU module containing a V-11 microprocessor operating at 6.25 MHz (160 ns cycle).Code-named ""Nautilus"", this is the high-end model in the VAX 8800 family.