MAC PRO 4,1 and 5,1 PCIe AUX Power

PCI Express 1x, 4x, 8x, 16x Bus Pinout Diagram @ PDF pcie slot pinout SFF-8639 PCI Express Connector Pinout 原创 · PCIe_协议规范，SFF-8639 版本 · 接口规范（SSF-8639）PIN定义 · SFF-8639协议标准， PSAS连接器 pcie4 slot I was reading the mPCIe pinout of BPI-R2 and noticed this: And according to the mPCIe , pin 48 should be + instead of +5v,

pcie gen 4 in gen 3 slot Pinout Diagrams