The 1871058-4 is a female PCI Express™ card edge connector from TE Connectivity AMP Connectors. It has 164 positions with a pitch of 0.039" (1.00mm) and is press-fit terminated. The contact finish is gold-palladium and the contact finish thickness is 30.0µin (0.76µm). The connector has a dual readout and is designed for use with PCI Express™ cards. It has a card thickness of 0.062" (1.57mm) and a bundle diameter of 3.20" (81.28mm). The connector has a temperature range of -55°C to 85°C and is black in color. The connector is ideal for use in applications where high-speed data transfer is required.