Apple iMac 21.5 (MD093LL/A) Core i5 2.7GHz, 8GB DDR3, Mac OS X v10.8 Mountain Lion Form Factor: All-in-One Optical Drive Type: SuperDrive Type: All-in-One PC Part Number: MD093LL/A Usage: Business Colors: Silver Audio: Sound card - Integrated Ethernet: Gigabit Ethernet