Acer Aspire X3400 AM2 Motherboard 48.3C401.031 with AMD Athlon CPU DA061/078L | eBay
Acer Aspire X3400 user manual (English - 30 pages)
Specs Acer Aspire X3400 AMD Athlon II X4 635 4 GB DDR3-SDRAM 500 GB NVIDIA® GeForce® 9200 Windows 7 Home Premium Mini Tower PC Black PCs/Workstations (PT.SE2E2.196)