Select your Mac model to easily find the right upgrade for your computer.

Encore/MDX G4 Duet

Dual G4 CPU upgrade cards for Power Mac G4 (Mirror Drive Door) and Xserve G4.

Crescendo/PCI G4 & G3

G4 and G3 CPU upgrade cards for Power Mac 7500-9500 and most Mac OS clones.

Encore/ST G4 Duet

Dual G4 CPU upgrade cards for Power Mac G4 (AGP Graphics).

Crescendo/7200 G3

G3 CPU upgrade cards for PowerMac 7200 and 8200.

Encore/ST G4

G4 CPU upgrade cards for Power Mac G4 (AGP Graphics) and Power Mac G4 Cube.