The PI7C9X2G912GP (by Pericom, now Diodes Inc.) is a 9-port, 12‑lane PCI Express 2.0 packet switch that enables flexible link configurations—such as one x4 upstream with multiple x1 or x2 downstream ports—ideal for embedded, server, storage, networking, and telecom systems  It supports advanced PCIe 2.1 features including end-to-end CRC, multicast, and link-state power states (L0/L0s/L1), with fast 150 ns cut-through latency and low power (~1.27 W). Packaged in a 196‑pin LBGA, it operates across –40 °C to +85 °C