Editing Macintosh Performa 5300CD (section)

== Memory and Storage ==

=== RAM Configuration ===

The system shipped with 8 MB or 16 MB of RAM depending on configuration. Two 72-pin SIMM slots accept 80 ns or faster memory modules, allowing expansion to a maximum of 64 MB using 4, 8, 16, or 32 MB SIMMs.<ref>{{cite web |url=https://support.apple.com/en-us/112325 |title=Macintosh Performa 5300CD: Technical Specifications |publisher=Apple Support |access-date=2026-02-10}}</ref>

=== ROM and System Software ===

The system contains 4 MB of ROM. It shipped with System 7.5.1 and System Enabler 406, supporting up to Mac OS 9.1.

=== Storage Systems ===

{| class="wikitable" style="width:70%"
|-
! Device !! Specification
|-
| Hard Drive || 1.2 GB IDE
|-
| CD-ROM || 4X internal
|-
| Floppy || 1.44 MB 3.5" (manual inject)
|-
| External SCSI || DB-25 connector
|}

The internal hard drive connects via an 8-bit IDE controller. External SCSI devices connect through the DB-25 port on the rear of the system. The system does not provide SCSI termination power; external devices must supply their own.