Quadra 610

Introduced in 1993 as the Centris 610, after the Centris line was discontinued the 610 was merged into the Quadra line under the name "Quadra 610". Apple sold the machine until it was discontinued in 1994.

Centris 610:

 * 20MHz Mototola 68LC040
 * 4MB or 8MB of 80ns 72-pin SIMM RAM (4MB soldered to board)
 * 80 or 230MB SCSI Hard Drive

Quadra 610:

 * 20MHz 68LC040 (8/160 model) or 25MHz 68040
 * 8MB of 80ns 72-pin SIMM RAM (4MB soldered to board)
 * 160 or 230MB SCSI Hard Drive