The device in question is a 400 MHz PCI Express (PCIe) translator integrated circuit, packaged in a 32-pin 5mm x 5mm WQFN package. It operates at a frequency of 400 megahertz and has one output. The specific designation of this IC is Ic Clk Buf 400Mhz 1Circ 32Wqfn PCI Express (PCIe) Translator IC.