Apple Performa 6400/180 - Manual (Page 5)

Basics Configurations - 3
Power Macintosh 6400
The Power Macintosh 6400 has the same feature set as the
Performa 6400. It is available with a PowerPC 603ev
processor running at 180 MHz or at 200 MHz.
Performa 6410 and 6420
These computers are sold in Japan, Australia, and Europe.
They both ship with 8X-speed CD-ROM drives. The 6410
has 16 MB of RAM and a 1.6 GB hard drive. The 6420 has up
to 24 MB of RAM, a 2.4 GB hard drive, and a 256K level-2
cache card.