For DELL Optiplex 5260 AIO motherboard IPCFL-BH 03CDJK Tested ok LGA1151 2*DDR4
CPU socket：LGA1151. Part Number：IPCFL-BH 03CDJK. Model：DELL Optiplex 5260. We will be happy to resolve any issues you may have in a cordial and friendly manner. we will very appreciate it.