Dell OptiPlex 7070 Small Form Factor Setup and Specifications

PDF

System board drive connectors

Table 1. System board drive connectors The following table provides the system board connector specifications of your computer.

M.2 Connectors	1 - 2230/2280 1 - 2230 (keyed to support Integrated or Discrete WiFi, Support Intel CNVi or USB2.0/PCIe)
Serial ATA (SATA) connector	3 (one Gen2 port for ODD and the rest of the ports support Gen3)
PCIe X16 slot	1 (Support Standard Rev 3.0)
PCIe X1 slot	0
PCIe X16 slot (wired x4) slot	0
PCIe X4	1 (open ended X4)