Komputerbay 2GB (2x1GB) DDR SODIMM (200 pin) 333Mhz DDR333 PC2700 FOR Apple Mac Memory PowerBook G4 1.5GHz 15-inch SuperDrive (M9422LL/A) 112 2 GB (2x1GB) Komputerbay 2GB (2x1GB) DDR SODIMM (200 pin) 333Mhz DDR333 PC2700 FOR Apple Mac Memory PowerBook G4 1.5GHz 15-inch SuperDrive (M9422LL/A) 112 2 GB (2x1GB) DDR SDRAM (double data rate synchronous dynamic random access memory). Twice the bandwidth of SDRAM. SUPPORTS DUAL CHANNEL . JEDEC standards for speeds of DDR SDRAM BRAND NEW 2GB (2x1GB) PC2700 Sodimm DDR 333 Mhz Cl 2.5 COMPATIBLE WITH Apple Mac Memory PowerBook G4 1.5GHz 15-inch SuperDrive (M9422LL/A) 112 Lifetime Warranty