: One PCIe x16 Gen 2.0 slot and multiple PCIe x1 slots (depending on the specific desktop case form factor). : 4 x SATA II 3Gb/s connectors. The Retro Web Front Panel Connector Pinout
Some revisions of this hardware were reportedly due to potential defects or safety hazards. It is highly recommended to check The Retro Web for specific safety precautions regarding your board's revision. Acer H61H2-AD - The Retro Web acer h61h2ad manual new