Is this a mini PCIe slot or slot : reGPU

Is this a mini PCIe slot or slot : reGPU minipcie slot Mini PCI-E to USB Adapter with SIM Card Slot 2pigs slot pg I have a mini PC which has an mSATA and a USB WiFi WWAN slot Below is a picture with the board and its slots I want to know is there is

2pigs slot pg Mini PCIe expansion slot The documentation for an expansion card says that it supports Mini PCIe USB functionality What speed does the expansion

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