2 SSD expansion slot or 4k video capture card, that require a higher bandwidth. What are PCIe x4 slots used for?ĭifferent PCIe Slot Sizes and Their Uses x4: This slot is used for more advanced devices like an NVMe M. Look for ‘x16’ in ‘Link Width’ and ‘PCI-Express 3.0’ under ‘Version’. Under the “Graphic Interface” tab, you’ll see what type of PCIe connection you have, along with its link width. System Profiler Once installed, open it and head to the ‘Mainboard’ tab. What is a PCI Express x1 slot used for?īasically, a PCIe x1 slot is used to plug in low demanding PCIe expansion cards that do not have a very high throughput (transfer rate) such as Network Adapters, Port Expansion Cards, Sound Cards and Certain Riser Cards. Peripheral devices that use PCIe for data transfer include graphics adapter cards, network interface cards (NICs), storage accelerator devices and other high-performance peripherals. 10 Are PCIe slots backwards compatible?.7 What is the difference between PCIe 3 and 4?.5 What’s the difference between PCI Express x1 and x16?.2 What is a PCI Express x1 slot used for?.
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