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.

Crescendo/PB G3

G3 CPU upgrade card for PowerBook 1400.

Encore/ZIF

G4 CPU upgrade cards for Power Mac G4 (PCI Graphics) and Power Mac G3 (Blue & White and Beige G3).

Crescendo/NuBus G3

G3 CPU upgrade card for PowerMac 6100, 7100, 8100. PowerMac 7100 and 8100 may require the Crescendo/NuBus PDS Video Adapter (sold separately).

HARMONi G3

G3 CPU upgrade card with FireWire 400 port for original iMac (Rev. A-D series with tray loading CD-ROM drives).