: 1x PCIe x16 (Gen 2.0), 2x PCIe x1, and sometimes 1x legacy PCI slot depending on the specific OEM revision.

Once the latest manual is located, users can follow these steps to update the manual:

Acer H81H3-AM V1.0 (often manufactured by ECS for Acer's Veriton or Predator series) is a Micro-ATX motherboard built around the Intel H81 Express