apple imac 21 5 inch 3 1ghz core i3 late 2011 mc978ll a macofalltrades
this model was only available for sale to educational institutions apple part number mc978ll a hardware configuration 21 5 inch led backlit glossy widescreen tft lcd display with ips 1920x1080 resolution 3 1ghz intel core i3 processor 4 0gb 2x2 0gb pc3 10600 1333mhz ddr3 so dimm supports up to 16 0gb 250gb serial ata hard disk drive 7200rpm dvd rw cd rw superdrive dl amd radeon hd 6750m graphics with 256mb gddr5 memory airport extreme wireless card 802 11n no bluetooth built in facetime hd camera 1 mini displayport 4 usb 2 0 ports 1 firewire 800 port 1 ethernet port 1 secure digital sdxc slotpower cable included