Apple PowerBook G4 1.67 17” (DLSD/HR-Al) M9970LLA. A1139 Double Laser Súper Drive High Resolution features a 1.67 GHz Power PC 7447a* G4 processor Wireless the Altivec velocity engine vector processingunit and 512k no chip level 2 caché, 512 MG of PC2-4200 DDR SDRAM a 120 GB ultra ATA/100 hard drive (5400 RPM)