- Apple Power Mac Processor Upgrade
- DayStar PowerCard 601
- Sonnet Presto PPC 605
The Apple Power Mac Processor Upgrade (APMPU) plugs into the processor direct slot (PDS) of the LC 475, LC 575, LC 580, LC 630, Performa 475-476, Performa 575-578, Performa 580-588, Performa 630 series, Quadra 605, and Quadra 630.