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

ROMs are not 32-bit clean.  To access more than 8MB of RAM, Mode 32™ software is required.

The SE/30 contains 256K ROMs, and an Apple 1.44MB SuperDrive.

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

Sound output is 8-bit stereo.

Contains an international power supply.

This Mac contains a unique 32-bit slot which is similar to a Processor Direct Slot (PDS).