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Asus Z370 - 1080ti in the 2nd PCIE slot

Chennaiyen
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I have a EVGA 1080ti DT, can I install it in the 2nd PCIE slot instead of the 1st slot? MOBO- Asus Maximus Hero X WiFi Z370. 

Will there be any performance issue? Customer service personal said, I can go ahead and install it in the 2nd slot and its a X16 but in the manual its says X8.

 

Please help. 

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3 minutes ago, Chennaiyen said:

I have a EVGA 1080ti DT, can I install it in the 2nd PCIE slot instead of the 1st slot? MOBO- Asus Maximus Hero X WiFi Z370. 

Will there be any performance issue? Customer service personal said, I can go ahead and install it in the 2nd slot and its a X16 but in the manual its says X8.

 

Please help. 

can you do it? yes, and it will work

 

is it ideal? no

 

will I notice a difference? most probably not in most applications 

 

so go ahead would be my recommendation

Recent builds:  Meshify C (Zero Tolerance!) & View 37 (Breathable Quad 2080Ti + 2990WX)

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Older Builds

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Full-custom loop builds: Meshify C (Full custom loop SLI), Ncase M1(8700K + 1080Ti Full custom loop)  Obsidian 900D (1950X + Quad 1080Ti) & Fractal Define C (1080 in SLI)

Air-cooled builds Air 740D (1920X + Quad 980Ti) & Fractal Define C (Version Air!)

 

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1080ti in PCIe 3 x8 perform the same as in x16. It's proved by some reviewers like techpowerup.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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5 minutes ago, For Science! said:

can you do it? yes, and it will work

 

is it ideal? no

 

will I notice a difference? most probably not in most applications 

 

so go ahead would be my recommendation

@For Science!, Why is it not ideal? 

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1 minute ago, Jurrunio said:

1080ti in PCIe 3 x8 perform the same as in x16. It's proved by some reviewers like techpowerup.

@Jurrunio, ok. Do you know if the Asus MOBO has two X16 or one X16 slot?

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3 minutes ago, Chennaiyen said:

@For Science!, Why is it not ideal? 

Not ideal because it will be running at 8x. but as mentioned by others the performance will be the same. 

 

The z370 board is only x16 on the top slot. If you already have the motherboard you can look into the alot and see how many gold pins are actually present.

Recent builds:  Meshify C (Zero Tolerance!) & View 37 (Breathable Quad 2080Ti + 2990WX)

Best documented PC coolants

Older Builds

Spoiler

Full-custom loop builds: Meshify C (Full custom loop SLI), Ncase M1(8700K + 1080Ti Full custom loop)  Obsidian 900D (1950X + Quad 1080Ti) & Fractal Define C (1080 in SLI)

Air-cooled builds Air 740D (1920X + Quad 980Ti) & Fractal Define C (Version Air!)

 

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5 minutes ago, Chennaiyen said:

@Jurrunio, ok. Do you know if the Asus MOBO has two X16 or one X16 slot?

Can you send me a picture of the back of the mobo? If there are only half the contacts on the second slot the first slot then it is surely x8

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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Watching with interest, because I was just discussing this exact topic with my 1060 earlier today (ASUS Prime X370 Pro). Am about to switch to the second slot and run Firestrike again for comparative purposes. I don't know if my far less powerful card is indicative of what you can expect, but I'll let you know what happens.

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30 minutes ago, For Science! said:

Not ideal because it will be running at 8x. but as mentioned by others the performance will be the same. 

 

The z370 board is only x16 on the top slot. If you already have the motherboard you can look into the alot and see how many gold pins are actually present.

@For Science!, Oh yes! Only half gold pins in the 2nd slot. Looks like its only X8 :(
You gave the easiest solution to find :)

Thanks! 

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25 minutes ago, Jurrunio said:

Can you send me a picture of the back of the mobo? If there are only half the contacts on the second slot the first slot then it is surely x8

@Jurrunio, The second slot has gold pins lesser than the 1st slot. 

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10 minutes ago, mcsmith1981 said:

Watching with interest, because I was just discussing this exact topic with my 1060 earlier today (ASUS Prime X370 Pro). Am about to switch to the second slot and run Firestrike again for comparative purposes. I don't know if my far less powerful card is indicative of what you can expect, but I'll let you know what happens.

@mcsmith1981, Thanks buddy! Keep me posted. This is my first ever build. 

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27 minutes ago, Crunchy Dragon said:

Any reason as to why you're installing it in the second slot?

@Crunchy Dragon, The reason being, the case I have Mean It: 4pm. The rear GPU I/O ports are not clearly accessible, the case frame is in the way but still can connect the cables like DP and HDMI but the gold plates seems to be in touch with the frame. So I tried the 2nd slot even though it did not make things better aesthetically looks better for me.  

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17 minutes ago, mcsmith1981 said:

Watching with interest, because I was just discussing this exact topic with my 1060 earlier today (ASUS Prime X370 Pro). Am about to switch to the second slot and run Firestrike again for comparative purposes. I don't know if my far less powerful card is indicative of what you can expect, but I'll let you know what happens.

Just so you know in the case of x370 there is no difderence. they are both x16 slots.

Recent builds:  Meshify C (Zero Tolerance!) & View 37 (Breathable Quad 2080Ti + 2990WX)

Best documented PC coolants

Older Builds

Spoiler

Full-custom loop builds: Meshify C (Full custom loop SLI), Ncase M1(8700K + 1080Ti Full custom loop)  Obsidian 900D (1950X + Quad 1080Ti) & Fractal Define C (1080 in SLI)

Air-cooled builds Air 740D (1920X + Quad 980Ti) & Fractal Define C (Version Air!)

 

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1 hour ago, For Science! said:

Just so you know in the case of x370 there is no difference. they are both x16 slots.

Thanks for the confirmation. I actually started out with it in slot 2 for my test build, and I think it looks better aesthetically that the whole case isn't divided in two by the video card, which also blocks the limited case lighting I currently have installed.

 

The reason I switched was because I just couldn't get the installation of NVIDIA's Virtual Audio to succeed in the driver install. That still didn't work and I have chosen to ignore it and just look for standalone installers for the components that came after the Audio in the list.

 

Update: So the numbers are 11,133 for Slot 1 and then 11,102 for Slot 2. So close as to be indistinguishable in real world use, guys?

Edited by mcsmith1981
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