2X 256MB = 512MB SD-RAM RAM memory Apple PowerMac G4,, EMAC G4, iMac G3, Power Macintosh G4 Cube, Dual etc, see list below! Guaranteed compatible for the following Apple models Power Macintosh G4 (AGP Graphics), (Gigabit) 400MHz (2x256MB, maximum 4x512MB) Power Macintosh G4 (AGP Graphics), (Gigabit) 450MHz (2x256MB, maximum 4x512MB) Power Macintosh G4 (AGP Graphics), (Gigabit) 500MHz (2x256MB, maximum 4x512MB) Power Macintosh G4 Server 450MHz (2x256MB, maximum 4x512MB) Power Macintosh G4 Server 500MHz (2x256MB, maximum 4x512MB) Power Macintosh G4 (Digital Audio) (2x256MB, maximum 3x 512MB) Power Macintosh G4 800MHz (2x256MB, maximum 3x 512MB) Power Macintosh G4 Cube 450MHz (2x256MB, maximum 3x 512MB) Power Macintosh G4 Dual 1GHz (2x256MB, maximum 3x 512MB) Condition: in good used co.
eBay