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R4BE with Intel SSD 750 issue.

louisly
Level 7
I bought a 750 drive recently. All went well except one thing. I have two AMD7970 card inserting at PCI #1 and #3. The drive is installed at PCI #2. With this setting, I think two graphic cards should work at X16 speed. The simulator also tell the same. but actually the 2nd card which installed at PCI #3 only worked at X8 speed. I wonder what was wrong. Can someone help on this?

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luzhanyi
Level 7
The PCIE #3 shows x16/x8, I think #3 and #2 are sharing a X16 bandwidth and if both #2 and #3 are occupied, they should both work on X8?

My assumptions...based on my R4E, don't own a R4BE 😞
CPU: 4790K
MB: Maximus VII Hero
CPU Cooler: Noctua D15
RAM: Kingston 8Gx2 2400 10-13-13-24-CR1 @1.65v
Graphics: Inno3d GTX 1070
Storage: Intel SSD 750 400G/Corsair Neutron 240G/Corsair Neutron XTi 480G/2T HDD x3
PSU: SilverStone Strider Gold 1200W
Case: Phantek 515
Monitor: Dell 2913wm
Keyboard & Mouse: Corsair K70 RGB Rapidfire & Logitech G502

luzhanyi wrote:
The PCIE #3 shows x16/x8, I think #3 and #2 are sharing a X16 bandwidth and if both #2 and #3 are occupied, they should both work on X8?

My assumptions...based on my R4E, don't own a R4BE 😞


But both the manual and this simulator tell they should work at (X16 X8 X16) when three cards case. The 3rd slot only drops to X8 when 4 cards are installed. At least, this is the manual(and simulator) tells...

louisly
Level 7
Bump