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Does the 3930K C1 support PCIe 3?

post #1 of 8
Thread Starter 
I'm confused. Some are saying "yes" and some are saying "no". NVIDIA says you need a patch for 2011 CPUs to get PCIe 3 support but then this video shows PCIe 3 working on a 3960X C1 (I assume C1 based on the date of the video) with AMD graphics cards without any sort of patch.

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post #2 of 8
The C1 should support PCIE 3.0. As of now, AMD graphics cards are supporting PCIE 3.0 on the x79 platform out of the box. NVIDIA does not at this time.

http://rog.asus.com/forum/showthread.php?17588-Nvidia-s-answer-to-x79-and-PCI-e-3.0

http://www.techpowerup.com/168027/NVIDIA-Releases-PCI-Express-Gen-3.0-Enabling-Patch-for-Sandy-Bridge-E-HEDT-Platform.html
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post #3 of 8
AMD works fine in PCI-E 3.0 with X79. The patch is need to switch PCI-E 3.0 on in the NV drivers as they have not give X79 a PCI-E 3.0 certificate so it is not officaly supported.
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post #4 of 8
Thread Starter 
Ok, thanks.

Just in case I have issues running PCIe 3.0 with the NVIDIA patch, will PCIe 2.0 running at 16x/16x bottleneck two GTX TITANs in SLI?
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post #5 of 8
It wont but you I very much doubt you will have any problems.
 
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post #6 of 8
Thread Starter 
Thanks.

Just to clear this out once and for all, this NVIDIA PCIe 3.0 issue is due to the Sandy Bridge-E CPUs and not the X79 motherboards or anything else, correct? If I were to drop an Ivy Bridge-E CPU into my current X79 motherboard, I would get official PCIe 3.0 support for both AMD and NVIDIA?
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post #7 of 8
Correct.
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post #8 of 8
Thread Starter 
Quick question. In my BIOS (which is the latest one) I can only see three settings for PCIe: Auto, 2 Gbps, and 5 Gbps.

Where is the 8 Gbps setting for PCIe 3.0? confused.gif
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Crucial m4 256 GB Western Digital Caviar Black 2 TB Pioneer BDR-206DBK Corsair Hydro Series H100 
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2 x Scythe GentleTyphoon 1850 rpm fans for H100 Microsoft Windows 10 Pro 64-bit ASUS ROG Swift PG279Q Microsoft SideWinder X4 
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Corsair Professional Series Gold AX850 Corsair Obsidian Series 650D Logitech G9x SteelSeries QcK mini 
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My desktop
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CPUMotherboardGraphicsRAM
Intel Core i7-3930K GIGABYTE GA-X79-UD3 EVGA GeForce GTX 1080 Ti FTW3 GAMING 16 GB Corsair Dominator Platinium DDR3 2133 MHz 
Hard DriveHard DriveOptical DriveCooling
Crucial m4 256 GB Western Digital Caviar Black 2 TB Pioneer BDR-206DBK Corsair Hydro Series H100 
CoolingOSMonitorKeyboard
2 x Scythe GentleTyphoon 1850 rpm fans for H100 Microsoft Windows 10 Pro 64-bit ASUS ROG Swift PG279Q Microsoft SideWinder X4 
PowerCaseMouseMouse Pad
Corsair Professional Series Gold AX850 Corsair Obsidian Series 650D Logitech G9x SteelSeries QcK mini 
AudioAudio
Creative Sound Blaster X-Fi Titanium HD 2 x JBL LSR305 + 1 x JBL LSR310S 
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