The Macintosh LC 575 (also marketed as the Performa 575) was an Apple Macintosh computer manufactured from 1994 to 1996. It used the same form factor as the Performa 520 and Performa 550.

It was featured in the Disney movie Blank Check as the Performa 575.

Specifications

• Manufacture start: Spring 1994
• Manufacture end: Summer 1996
• Codename: Optimus
• CPU: Motorola 68LC040 at 33 MHz
• RAM: 8 MB (expandable to 68 MB with 1 72-pin SIMM)
• Hard drive: 300MB SCSI
• VRAM: 512KB (640x480 8-bit, 800x600 8-bit) (expandable to 1MB (640x480 24-bit, 800x600 15-bit) using 1 80ns VRAM SIMM)
• Floppy drive: 1.44MB (can read 800KB diskettes as well)
• Optical drive: 2x CD-ROM
• ROM Size: 1MB
• Level 1 Cache: 8KB
• Case type: All-in-one
• Built-in Display: 15" Color CRT (supports up to 32,768 colors)
• Supported Mac OS: System 7.1.1 to 7.5.1, 7.5.3 to 7.6.1, 8.0 to 8.1
• Weight: 35.0 lbs.