User manual Acer Aspire TC-780 (English - 52 pages)
Acer Desktop Computer Aspire TC-705 Intel Core i5 4th Gen 4460 (3.20GHz) 8GB DDR3 1TB HDD Choice of Windows 8.1 Pro 64-Bit or Windows 7 Professional 64-Bit - Newegg.com
Aspire TC-705 Connector to the bottom left of the PCI-e slot — Acer Community