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GTX 980 in a PCIE x8 slot

davidst95
By davidst95
in Graphics Cards
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Posted

Hi,

 

I have a Gigabyte GT Z97 motherboard and two GTX980s.   It has two x16 slots and two x8 slots.  Right now I hve one video card in the first x16 slot and other other video card in a x8 slot.   I didn't put the second one in the other x16 slot.   I thought the extra spacing in between them would give the cards more airflow.   I was reading the motherboard manual and it says if I use two video cards it is recommended to use the first two x16 slots.

 

I'm not sure if I should move the second card to the x16 slot.   Does the x8 slot limit the performance of the card?   Is there benefit in having the cards not right next to each other?   I hope this all makes sense. :-)   Thanks.

 

David

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Posted

If it's PCI-E 3.0 x8 (which it probably is) it'll be okay. 

Any unknown button should be pressed even number of times.

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Posted

Hi,

 

I have a Gigabyte GT Z97 motherboard and two GTX980s.   It has two x16 slots and two x8 slots.  Right now I hve one video card in the first x16 slot and other other video card in a x8 slot.   I didn't put the second one in the other x16 slot.   I thought the extra spacing in between them would give the cards more airflow.   I was reading the motherboard manual and it says if I use two video cards it is recommended to use the first two x16 slots.

 

I'm not sure if I should move the second card to the x16 slot.   Does the x8 slot limit the performance of the card?   Is there benefit in having the cards not right next to each other?   I hope this all makes sense. :-)   Thanks.

 

David

Should be fine where it is, I doubt the 980 can use the full bandwidth of the 8x anyways.

QUOTE ME OR I PROBABLY WON'T SEE YOUR RESPONSE 

My Setup:

 

Desktop

Spoiler

CPU: Ryzen 9 3900X  CPU Cooler: Noctua NH-D15  Motherboard: Asus Prime X370-PRO  RAM: 32GB Corsair Vengeance LPX DDR4 @3200MHz  GPU: EVGA RTX 2080 FTW3 ULTRA (+50 core +400 memory)  Storage: 1050GB Crucial MX300, 1TB Crucial MX500  PSU: EVGA Supernova 750 P2  Chassis: NZXT Noctis 450 White/Blue OS: Windows 10 Professional  Displays: Asus MG279Q FreeSync OC, LG 27GL850-B

 

Main Laptop:

Spoiler

Laptop: Sager NP 8678-S  CPU: Intel Core i7 6820HK @ 2.7GHz  RAM: 32GB DDR4 @ 2133MHz  GPU: GTX 980m 8GB  Storage: 250GB Samsung 850 EVO M.2 + 1TB Samsung 850 Pro + 1TB 7200RPM HGST HDD  OS: Windows 10 Pro  Chassis: Clevo P670RG  Audio: HyperX Cloud II Gunmetal, Audio Technica ATH-M50s, JBL Creature II

 

Thinkpad T420:

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CPU: i5 2520M  RAM: 8GB DDR3  Storage: 275GB Crucial MX30

 

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Posted

X8 3.0 = X16 2.0

 

It'll be fine 

 

perfrel_1920.gif

Core I7 5960X / Gigabyte X99 SOC Force / Kingston 16GB DDR4 3000 / EVGA GTX 980 Classified's In Quad SLI / EVGA 1600W G2

Core I7 6700K / Asus Z170 Maximus VIII Hero / Corsair 16GB DDR4 3000 / MSI R9 290X Lightning / EVGA 1600W T2

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