Apple Desktop PC iMac MC413LL/A-R Core 2 Duo 3.06 GHz 4 GB DDR3 1 TB HDD 21.5 Mac OS X 10.6 Snow Leopard Type: All-in-One PC Processor: 3.06GHz Intel Core 2 Duo Memory: 4GB DDR3 Storage: 1TB Optical Drive: DVD±RW Graphics: ATI Radeon HD 4670 with 256MB of GDDR3 memory Audio: Sound card - Integrated Ethernet: Built-in 10/100/1000BASE-T (Gigabit)