The MS-7869 often uses a proprietary 12-pin or standard 24-pin power connector depending on the specific Acer chassis. If you upgrade to a power-hungry i7 or add a GPU, ensure your PSU can handle the increased load.

Here’s a concise support verification piece for (commonly an OEM board, e.g., from Lenovo or another system integrator). You can use this for documentation, a compatibility list, or a system build note.