Apple iMac 21.5" A1311 Series 820-2494-A Intel Logic Motherboard. Apple meets the current and future demands of high performance, power embedded computing, making it ideal for communications, transaction terminal, interactive client, industrial automation applications as well as for standard home use.

Apple Part Number: 820-2494-A
Compatible Part Numbers: 661-5307 31PIFMB0070
Compatible Models: Apple iMac 21.5" A1311 MC413LL Late 2009 Series

Please Note: This motherboard does NOT come with a CPU.