The Quadra 605 can be accelerated with Newer Technology’s "Meteor™", part # 7QD-E.
One SIMM socket.
Requires 80ns, or faster, memory
This computer comes with 1024K ROMs and an Apple 1.44MB SuperDrive that uses high-density floppy disks and reads, writes, and formats Macintosh, Windows, MS-DOS, OS/2, and ProDOS disks.
Serial Port with the phone icon supports synchronous modems, with handshaking on both output and input supported.
Sound output is 8-bit stereo.
Has an international power supply.
This computer contains an 32-bit 030 LC Processor Direct Slot (PDS).