Eight SIMM sockets.  Upgraded with two SIMMs at a time.

Ships with 8MB of memory soldered on the motherboard. There are also several versions which come with 16MB (8MB soldered + two 4MB SIMMs) of memory.

This Mac contains 4096K ROMs, and the Apple 1.44MB SuperDrive.

Serial Port with the phone icon supports synchronous modems, with handshaking on both the output and input.

Sound output is 16-bit stereo.

Contains an international power supply.

This Mac contains a 601 Processor Direct Slot (PDS) which has either a VRAM or AV card installed in it.