What is PCIe x4 Slot | X4 Slot Uses

I explain in this video what is PCIe x4 on the motherboard and its uses.
I also explain what PCIe lanes and PCIe versions are and how they affect the performance of a device.

An x4 slot is a mid-range PCIe slot in terms of bandwidth. The number '4' after 'x' denotes how many PCIe lanes the slot has.

Most of the time, the x4 slot have a full x16 length. Therefore, it is important that you understand how to identify the right x4 slot.

If you are a DIY PC builder, It is absolutely a must for you to understand the PCIe interface, slots, and lanes.

The x4 Slot is used by a wide variety of devices including an NVMe Expansion Cards, 10G Ethernet Cards, 4K Video Capture Cards etc.

However, due to the way the PCIe interface is designed, you can use smaller x1 like a WiFi Card, Sound Card etc with the x4 slot.

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Time Stamp
[0:00] - Intro
[0:37] - What are PCIe Lanes
[1:02] - PCIe Version and x4 Speed
[1:21] - What is PCIe x4 Slot
[3:06] - Uses of PCIe x4 Slot
[3:57] - Why the PCIe x4 Version Matters