[SOLVED] Amount of Pci-e lanes

[datread2000]

Hi,
I have a i7 7700k and a msi z270A-Pro motherboard. I have heard that i have a total of 24 Pci-e lanes.
I am using a gtx 1080 in a x16 slot and a wifi card in a x1 slot.
I am planning on getting a pci-e x4 nvme ssd.

Will i have enough Pci-e lanes?

 

[SkyNetRising]

i7 7700k has 16 PCIE lanes, Z270 chipset has 24 PCIE lanes.
Graphics card will use CPU PCIE lanes. Rest of devices will use chipset PCIE lanes.

 

[datread2000]

i7 7700k has 16 PCIE lanes, Z270 chipset has 24 PCIE lanes.
Graphics card will use CPU PCIE lanes. Rest of devices will use chipset PCIE lanes.

So i have a total of 40 pci-e lanes?

 

[SkyNetRising]

That is theoretical only.
Actual available amount of PCIE lanes depend on slots available on specific motherboard.
msi z270A-Pro has

• 1xPCIE x16 slot (connected to cpu),
  4xPCIE x1 slots and 1x PCIE x4 slot (connected to chipset).
  1x M.2 PCIE x4 (connected to chipset),
  and rest of devices like audio, network, sata, USB (connected to chipset).

So user accessible lanes on this board are 16+12=28.

 

[arstech.]

chipsets allow limited number of configurations by software; for ex. a -x16 lane can be configured as 4 -x4 lanes, etc.
however the specific motherboard has been configured according to what is wired to connectors/slots;
the rest of the pci express lanes can not be accessed or used;

 

[mdd1963]

A Z270/7700K works absolutely fine with a single GPU and an M.2 NVME (PCI-e X4)drive.....

I've been using that combo for 2 years....