i9 9900K pci lanes small question

[Alexis31]

Hey,

I already descided to buy a 9900k  when it's out for programs/vr/3d modeling and ofcourse to play.

The "problem" as i think is becouse it have only 16 PCI lanes and i might use:

2 X 1080 ti

1 NVME SSD

and few HDD's with more than 8 TB mostly for cold storage

Should it be a problem for 16 pci lanes? cause i can afford some previous models of THREADRIPPER that have much more

[The_Tron]

4 minutes ago, Alexis31 said:

Hey,

I already descided to buy a 9900k  when it's out for programs/vr/3d modeling and ofcourse to play.

The "problem" as i think is becouse it have only 16 PCI lanes and i might use:

2 X 1080 ti

1 NVME SSD

and few HDD's with more than 8 TB mostly for cold storage

Should it be a problem for 16 pci lanes? cause i can afford some previous models of THREADRIPPER that have much more

The Motherboard chipset provides additional PCIe lanes, in case you didnt know.

[The_Tron]

5 minutes ago, Alexis31 said:

Hey,

I already descided to buy a 9900k  when it's out for programs/vr/3d modeling and ofcourse to play.

The "problem" as i think is becouse it have only 16 PCI lanes and i might use:

2 X 1080 ti

1 NVME SSD

and few HDD's with more than 8 TB mostly for cold storage

Should it be a problem for 16 pci lanes? cause i can afford some previous models of THREADRIPPER that have much more

Here, have a look: https://www.intel.com/content/www/us/en/products/chipsets/desktop-chipsets/z370.html

[djboy6480]

I am pritty sure you performance will suffer 8 lanes for a 1080ti is a litte bit on the edge but your ssd will also need 4 lanes so to have no bottlenecks you need 36 PCIe lanes
At least I wouldnt run my 1080ti on 4 lanes...

[Alexis31]

Just now, The_Tron said:

The Motherboard chipset provides additional PCIe lanes, in case you didnt know.

I didn't know. Thank you!

 

Just now, The_Tron said:

Here, have a look: https://www.intel.com/content/www/us/en/products/chipsets/desktop-chipsets/z370.html

Thanks for the information, It's "MAX 24 LANES" So it's 24 - 16 for the X16 1080 ti (pcie3)?

[djboy6480]

3 minutes ago, The_Tron said:

The Motherboard chipset provides additional PCIe lanes, in case you didnt know.

PLX switching is not the real deal...

[Alexis31]

Just now, djboy6480 said:

I am pritty sure you performance will suffer 8 lanes for a 1080ti is a litte bit on the edge but your ssd will also need 4 lanes so to have no bottlenecks you need 36 PCIe lanes
At least I wouldnt run my 1080ti on 4 lanes...

So? threadripper 1900x should deal with it right?

[The_Tron]

Just now, Alexis31 said:

I didn't know. Thank you!

 

Thanks for the information, It's "MAX 24 LANES" So it's 24 - 16 for the X16 1080 ti (pcie3)?

No. Total PCIe lanes are CPU lanes+Chipset lanes, in this case 16+24=40?

[Alexis31]

Just now, The_Tron said:

No. Total PCIe lanes are CPU lanes+Chipset lanes, in this case 16+24=40?

Is it question? sorry for disunderstanding

[djboy6480]

1 minute ago, The_Tron said:

No. Total PCIe lanes are CPU lanes+Chipset lanes, in this case 16+24=40?

no 24 lanes is the Max Supported by the chipset

[The_Tron]

Just now, djboy6480 said:

no 24 lanes is the Max Supported by the chipset

Thanks for clearing the confusion. BTW sorry @Alexis31

[djboy6480]

yeah I would go with the threadripper (eec ram support, 60 PCIe Lanes, Server Grade Motherboards ect.) 

 

[Alexis31]

So as i think 9900k on z370 with few ssd/hdd and 2 X 1080 ti will be probably imposible?

[Alexis31]

DJ

Just now, djboy6480 said:

yeah I would go with the threadripper (eec ram support, 60 PCIe Lanes, Server Grade Motherboards ect.) 

 

Do you have an expirence with it? Know problems with AMD (since it's new chipset and product line?)?

problem to play VR games or something?

Problems with ADOBE/BLENDER/ZBRISH/UNREAL ENGINE at proffesional work aspects?

[Lurick]

9 minutes ago, Alexis31 said:

So as i think 9900k on z370 with few ssd/hdd and 2 X 1080 ti will be probably imposible?

The NVMe SSD will pull from the chipset lanes and not the CPU lanes.

Each 1080Ti will get 8x lanes from the CPU.

[Alexis31]

Just now, Lurick said:

The NVMe SSD will pull from the chipset lanes and not the CPU lanes.

Each 1080Ti will get 8x lanes from the CPU.

Lurik, Do you thinkg it's will run normal? I will run many USB conections at once too: Oculus rift, Headphones conecting via usb, G27 Wheel, and some small components at once. Do you think it will max out the 1080TI or a PCI shortage will happen, Cause now i have old motherboad and cpu i7 3770 and there is problem when i put usb it's not always working and disconected sometimes (Probably becouse it's very old system)

[djboy6480]

19 minutes ago, Lurick said:

The NVMe SSD will pull from the chipset lanes and not the CPU lanes.

there are no PCIe Lanes from the motherboard (MB). The CPU Provides a certain ammount of PCIe Lanes to the MB and the MB can just split the lanes with a PLX Chip (Its like a network switch just for pcie). If your CPU has only 16 lanes you cant just magicly create more. 

EDIT

[manikyath]

Just now, djboy6480 said:

there are no PCIe Lanes from the motherboard (MB). The CPU Provides a certain ammount of PCIe Lanes to the MB and the MB can just split the lanes with a PLX Chip (Its like a network switch just for pcie). If you MB has only 16 lanes you cant just magicly create more. 

the cpu also has additional lanes that go to the chipset, which can from there be split out into other peripherals (this is where your sata controllers, usb 3, etc. are connected to, as well as the 1x and 4x slots between the 16x slots on ATX motherboards)

[Alexis31]

Thank you all guys!

I learned something new today

Just now, The_Tron said:

Thanks for clearing the confusion. BTW sorry @Alexis31

No prob Thr_Tron we both learned

 

[djboy6480]

4 minutes ago, manikyath said:

the cpu also has additional lanes that go to the chipset, which can from there be split out into other peripherals (this is where your sata controllers, usb 3, etc. are connected to, as well as the 1x and 4x slots between the 16x slots on ATX motherboards)

The mainboard gets 4 PCIe lanes form the cpu and thouse are shared for the SATA Controller, USB Controller, Network-Interface ect...

[Lurick]

2 minutes ago, djboy6480 said:

The mainboard gets 4 PCIe lanes form the cpu and thouse are shared for the SATA Controller, USB Controller, Network-Interface ect...

[manikyath]

1 minute ago, djboy6480 said:

The mainboard gets 4 PCIe lanes form the cpu and thouse are shared for the SATA Controller, USB Controller, Network-Interface ect...

seeing Z270 had 24 lanes, i doubt a newer chipset will have only 4...

[djboy6480]

"Up to 24" <-- If your CPU can provide the PCIe Lanes

[Alexis31]

I9 9900K

Can handle normaly the CPU+1 GPU+ 1NVME + 4*8 RAM+2*10TB HDD's?

[djboy6480]

2 minutes ago, Alexis31 said:

I9 9900K

Can handle normaly the CPU+1 GPU+ 1NVME + 4*8 RAM+2*10TB HDD's?

yeah no problem