Printed on sticker on front. X704 refers to a Exponential processor.
On barcode label.
overall: 16 1/2 in x 7 3/4 in x 15 3/4 in
.Hardware: 9500 Mac Chassis/MB with Exponential daughter board; Exponential ECL processor; Exponential ECL 400 megahertz board. his Apple case houses an Exponential processor. Unit has a purple wavy stripe across front. There is also an Apple logo sticker on the front.