VAX 4000

[4] It used the KA680 CPU module containing a 71.43 MHz (14 ns cycle time) NVAX microprocessor with 128 KB of external tertiary cache.

[6] It used the KA52 CPU module containing a 72 MHz (14 ns cycle time) NVAX microprocessor with 128 KB of external tertiary cache.

[6] It used the KA675 CPU module containing a 63 MHz (16 ns) NVAX microprocessor with microcode patch changes to slow it down beyond the cycle scaling, with 128 KB of external tertiary cache.

It used the KA52 CPU module containing a 72 MHz (14 ns cycle time) NVAX microprocessor with 128 KB of external tertiary cache.

It used the KA681 CPU module containing a 71.43 MHz (14 ns cycle time) NVAX microprocessor with 128 KB of external tertiary cache.

It used the KA691 CPU module containing an 83 MHz (12 ns cycle time) NVAX microprocessor with 512 KB of external tertiary cache.

It used the KA692 CPU module containing a 100 MHz (10 ns cycle time) NVAX microprocessor with 2 MB of external tertiary cache.

[7] It used the KA53 CPU module containing an 83 MHz (12 ns cycle time) NVAX microprocessor with 128 KB of external tertiary cache.

[8] It used the KA694 CPU module containing a 111.12 MHz (9 ns cycle time) NVAX microprocessor with 2 MB of external tertiary cache.

The VAX 4000 Model 106A, code-named "Cheetah-Q++", used the KA54 CPU module containing a 100 MHz (10 ns cycle time) NVAX microprocessor with 512 KB of external tertiary cache.