5B20G09035 For Lenovo C470 AIO All-in-one computer motherboard 2957U i3-4005U DDR3 5B20G84747 Tested good free shipping - AliExpress
Specs Lenovo C C470 Intel® Core™ i3 54.6 cm (21.5") 1920 x 1080 pixels 8 GB DDR3-SDRAM 1 TB HDD All-in-One PC Windows 8.1 Wi-Fi 4 (802.11n) Black All -in-One PCs/Workstations (57327742)