[comp.os.vms] SA42 is a box of 4 RA82's.

MACALLSTR@vax1.physics.oxford.ac.UK (02/21/88)

A SA42 is just a box of four RA82's. Each drive is connected independently
 to a disk controller : what you can do with one you may do with the other.
 The cabinet of 4 RA82's ( SA42 ) is just convenient packaging.
John