These PCIE Series PCI Express Sockets from samtec take 1.60 mm cards with a nominal insertion depth of 8.0 mm. The contacts of this range of PCIE Series PCI Express Sockets have Gold Flash plating with Tin plating on the PCB tails. The above board height of the PCIE Series Through Hole, RA, PCI Express Sockets is 9.45 mm with a width of 18.85 mm. The above board height of the PCIE Series Through Hole, Vertical, PCI Express Sockets is 11.0 mm with a width of 8.6 mm. The board extension length of the PCIE Series Edge Mount, PCI Express Sockets is 11.05 mm with a width of 8.41 mm. Post lengths for the Through Hole vertical and horizontal versions of the PCIE Series, PCI Express Sockets are 2.31 mm in four staggered rows on a 2.0 mm pitch. Post length for the Edge Mount version of the PCIE Series, PCI Express Sockets is 4.5 mm.