Are the PCI-E 3.0 slots alternating or all together?
166402
They alternate so slot 1,3,5,7 are pci-e 3.0 and slots 2,4,6 are pci-e2.0. You also have to enable pci-e 3.0 in bios if you want to use it.
1479027
The pcie slot are available depending of your motherboard. However there are 5-6 low profile back panel slots are available to use.
1023786
Yes. You have one PCI Express slot, according to the specifications for your computer I found online.
2277476
Idk, does that mono have a PCI-E 2.0 slot or above? If so, yes. Make sure you have case room too, this thing is big
725200
I haven't actually opened the box. But I have the mini tower and I believe there are both PCI AND PCI express expansion slots. I can only refer you to the dell specifications. They are here http://search.dell.com/results.aspx?c=us&l=en&s;=gen&cat;=sup&k;=Dell+OptiPlex+755+Core+2&rpp;=12&p;=1&subcat;=ddc&rf;=all&nk;=f&ir;a=False&~srd=False&ipsys;=False&advsrch;=False
1327034
Yes. Even though this card is PCI-e 3.0 and the motherboard has PCI-e 2.0 slots, PCI-e 3.0 is backwards compatible with PCI-e 2.0. Just be sure to put the card in one of the two x16 slots, not one of the x4 slots. The manual should show which slots are which.
1830256
No. Its PCI not pci-e. The connectors are different drspitecthe similar name.
974759
PCI-E is typicaly best..I suggest you get the card with 3 antenaes however..having fits with the other one at the moment..
1381605
This is listed in the specifications: PCI Slots (Available/Total) 1 x PCI 2 x PCI-e x 1 1 x PCI-e x 16
1394845
It only uses One physical Slot, But takes up two spaces worth. Most motherboards have the PCIe slots spaced enough that this is not an issue.
538949
Yeah, it should be as PCI-e 3.0 is backwards compatible to PCI-e 2.0 which this motherboard has. You just will be limited by the lower bandwidth associated with PCI-e 2.0 due to the motherboard's shortcomings in this regard.
1767430
PCI-E 3.0 cards will work in a 2.0 slot, but it will not be able to run at full speed.
1635210
Yes. I'm running the GTX 760 which is also a PCI e 3.0 card. Just make sure your power supply is powerful enough for the setup you plan on building.
772080
Hi, Yes, the card, an 8800GT is a PCI-e type. Thats the long slot in your motherboard these days, designed for these video cards. I have an A8N SLI Deluxe as well, and it runs normally two 8600 GTs. (One 8600 broke after a long time, thankfully not frying out anything but itself so I am waiting on a replacement) SLI mode is envoked when you have 2 Cards in those 2 PCI-e Slots. x8 x16 and that other stuff have to do with running Single or Multiple Cards. With the A8N Deluxe (the newer versions that lack the old fashioned sli switch card), the Asus AI software auto switches between x8 and x16. Don't worry, that card will run :)
1912153
I couldn't say for sure. I think pci-e is backwards and forwards compatible--it just won't be 3.0-fast. I would google for pci-e compatibility between versions. I used an AMD A-series on-chip GPU and it was for someone else.
725199
I haven't actually opened the box. But I have the mini tower and I believe there are both PCI AND PCI express expansion slots. I can only refer you to the dell specifications. They are here http://search.dell.com/results.aspx?c=us&l=en&s=gen&cat=sup&k=Dell+OptiPlex+755+Core+2&rpp=12&p=1&subcat=ddc&rf=all&nk=f&ira=False&~srd=False&ipsys=False&advsrch=False
1393779
yes all PCIe technology is forward and backward compatible to the least common denominator if you put a 3.0 card in a 2.0 slot ir will run as 2.0if you put a 2.0 card in a 2.0 slot ir will run as 2.0if you put a 3.0 card in a 3.0 slot ir will run as 2.0if you put a 3.0 card in a 3.0 slot ir will run as 3.0same true with 2.1, 1.0, and 1.1 cards