The Apple Mac Mini MC815LL/A Desktop comes with the Intel Core i5 processor and Intel HD Graphics 3000 integrated gpu. Apart from the 4 USB 2.0 and FireWire 800 ports, the Mac Mini also features the Thunderbolt port, which functions as a data transfer port and an external video interface using a DVI adapter. The 2gb memory can be upgraded to 16gb.
Check out the specs below:
2.3GHz dual-core Intel Core i5 with 3MB on-chip shared L3 cache
2GB of 1333MHz DDR3 memory
500GB (5400-rpm) hard drive
Intel HD Graphics 3000 processor with 288MB of DDR3 SDRAM shared with main memory
Mac OS X v10.7 Lion