LGA1150 For dell Optiplex 7040 MFF Series Micro Mini Desktop PC Motherboard DDR4 CN-0K539V K539V N6NV0 Mainboard - AliExpress
New For Dell Optiplex 7040 Mff Series Micro Mini Desktop Pc Motherboard Ddr4 Cn-0k539v 0k539v K539v N6nv0 Lga1150 Mainboard - Motherboards - AliExpress
0KWVT8 Dell System Board (Motherboard) for XPS 8700 (Refurbished)
Dell Optiplex 7040 Micro Intel Core i5-6100T 2.5GHz 8GB RAM No HDD No
IT-150GTC For dell Optiplex 7040 MFF Series Micro Mini Desktop PC Motherboard CN-068GKR 068GKR 68GKR Mainboard - AliExpress
original motherboard for dell optiplex 9020| Alibaba.com