The Apple 27" iMac Logic Board (820-01134-A) is a high-quality motherboard designed specifically for the iMac form factor. It is compatible with Intel CPUs and features four memory slots supporting DDR4 SDRAM memory type. With both USB input/output ports, this logic board provides ample connectivity options for your computer components and peripherals. Perfect for those looking to upgrade or replace their current iMac motherboard with a reliable and tested product from Apple.