[SOLVED] Confused about PCIe lanes in the Specs. Need some help.

1405

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I'm looking to build a very inexpensive budget gaming PC based on the Intel H410 chipset platform. According to the Intel secs, the H410 chipset only has 6 PCIe lanes. Yet the H410 boards also have a PCIe x16 slot. That's 16 lanes right there.
And some add a PCIe 3.0 x2/x4 M.2 slot besides. More lanes. Can someone explain the lanes discrepancy for me?
 

kanewolf

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Thanks folks. Question I've had for a long time. Now I see. (y)
What also isn't clear on the Intel specs is that the SATA and USB ports actually use PCIe lanes. internally. The best way to understand the architecture is to look for a block diagram.
Looking at H410 motherboard pictures, it looks like 1 M.2 storage slot, and one PCIe x1 slot is typical. The additional lane is probably reserved for built-in WIFI on some motherboards.
 

1405

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What also isn't clear on the Intel specs is that the SATA and USB ports actually use PCIe lanes. internally. The best way to understand the architecture is to look for a block diagram.
Looking at H410 motherboard pictures, it looks like 1 M.2 storage slot, and one PCIe x1 slot is typical. The additional lane is probably reserved for built-in WIFI on some motherboards.
SATA and USB use PCIe lanes? I thought SATA, USB, and PCIe were three different interfaces with their own buss to the CPU.
 

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