Dell Optiplex 7040 Minitower Intel LGA1151 Socket System Desktop Motherboard FTVXT 0FTVXT CN-0FTVXT.
Dell Part Number: FTVXT 0FTVXT CN-0FTVXT
Compatible Part Numbers: MIQ170R
Model Number: Triggerfish DDR3L MT
Compatible Models: Dell Optiplex 7040 Minitower
Please note, plastic cover for internal speaker connector is missing, but it's fully operational and functions as intended!