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PCI Express2.0 on MB connecting a PCI SSD

Last response: in Motherboards
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July 21, 2012 3:51:22 PM

HeiSann

I'm thinking about buying a PCI SSD, that will use Express 2.0 x4. OCZ RevoDrive 3 X2 SSD 240GB (http://www.ocztechnology.com/ocz-revodrive-3-x2-pci-exp...)

I have 1 stk ASUS Maximus III Formula (http://www.asus.com/Motherboards/Intel_Socket_1156/Maxi...)

Reading the spec, it say that it has PCI Expansion Slots:
3 x PCIe x 16 slot
- 2 x PCIe 2.0 (red) Supporting at x16 or dual at x8 mode
- 1 PCI 1.0 (white) supports at x4 mode
2 x PCIe x1
2 x PCI 2.2


I have today, 1 x video card GeForce GTX 560Ti 2GB PhysX PCI Express 2.0 (http://www.gainward.com/main/vgapro.php?id=458) installed in one of the two slots with the PCI Express 2.0 x16

My question
-----------------
can I at all use / install this PCI SSD on my motherboard? or can slot 2 PCI Express 2.0 x16 only be used for SLI setup with a second video card?

July 21, 2012 4:06:13 PM

another question: do you think I can use the PCI SSD PCIe 2.0 in the PCIe 1.0 x4 slot? is so, will I then lose alot of speed?
a b V Motherboard
July 21, 2012 4:39:18 PM

I think you are Misunderstanding the Specs. The Maximus II Formula supports PCEe Version 2.0 on all PCie slots. 2 of the 3 slots support PCIe 2.0 at 16 lanes each. Those 2 slots are reconfigured by the system to support PCIe 2.0 at 8 lanes each (dual) when two 16 lane cards are used at the same time, one in each slot. The third PCIe slot is physically wired to use only 4 lanes, however it is still a PCIe version 2.0 slot. The reason is because the Intel p55 chipset only supports 20 lanes of PCIe version 2.0.

I suggest you take a look at the following article for more info. on how PCIe works: http://en.wikipedia.org/wiki/PCI_Express
Related resources
a b V Motherboard
July 21, 2012 4:40:47 PM

DataFyren said:
another question: do you think I can use the PCI SSD PCIe 2.0 in the PCIe 1.0 x4 slot? is so, will I then lose alot of speed?



Yes, you can use it in the PCIe 2.0 x4 slot and no you will not lose any speed.
July 21, 2012 4:45:20 PM

Great, Thanks for a quick and detailed response
!