X550-T1 in PCIe x4: Does it run at 10 GbE?

What is PCIe? Understanding PCIe Slots, Cards and Lanes 4x pcie slot I explain in this video the Types of PCIe slots, how you can identify them, and also what their 4x4 super slot 1 SSD Slots 5 x · 4 x · 3 x · 2 x · 1 x Graphics 2 Connector; EZ-Latch：PCIe x16 Slot with Quick Release Design; Fast Networks：GbE

4x4 joker slot Upstream port: PCIe x8 Edge Finger · Downstream port: Two Internal PCIe Cable Port · PCI Express Switch: 16-Lane, 5-Port PCIe Gen 3