Announced also today by Apple Computer, Inc are two models of Mac mini. You can choose 1.66 GHz or 1.83 GHz models. Both models use 667 MHz frontside bus with 512 MB of pre-installed DDR2 SDRAM (PC2-5300). Apple notes that Core Duo 1.83 GHz can be 5 times as fast as 1.42 GHz G4 PowerPC model. Both models come with Intel GMA 950 graphics professor, which uses 64 MB of the main memory. These machines have one FireWire 400 port and four USB 2.0 ports.