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Whats the Difference? 1155 Board with SLI

post #1 of 7
Thread Starter 
so im looking to build a new rig with the z77 chipset and sli capability i have been looking at some boards like http://www.newegg.com/Product/Product.aspx?Item=N82E16813128543&nm_mc=KNC-GoogleAdwords&cm_mmc=KNC-GoogleAdwords-_-pla-_-NA-_-NA and i see they have a 1 pciex16 3.0 and 1 PCI Express 2.0 x16 @x4. what does this mean? i want full SLI capability and bandwidth speeds can anyone clarify what i need, and what i should do, and what are my best options thank you.

another board i was looking at and the pci slots say this PCI Express 3.0 x16
2 (x16/0 or x8/x8)

http://www.newegg.com/Product/Product.aspx?Item=N82E16813157293
post #2 of 7
On 1155 boards, SLI requires two x16 PCIe slots coming from the CPU meaning 8x/8x electrically. Boards wired at 16x/4x use the additional PCH lanes which Nvidia doesn't certify for SLI.
post #3 of 7
Thread Starter 
so go with the 8x/8x ?
post #4 of 7
^^ Correct. And make sure the board is certified for Nvidia SLI.
post #5 of 7
Thread Starter 
so what do you think of the asrock extreme4 for sli ?
post #6 of 7
Not a big fan of ASRock's Z77 lineup mainly due to the fact that they don't use digital VRMs despite their marketing towards it (Extreme 6 and up do have it though).

I don't have any experience with the lower-end Z77 boards. All of mine have been $200+. redface.gif
post #7 of 7
Quote:
Originally Posted by SimpleTech View Post

Not a big fan of ASRock's Z77 lineup mainly due to the fact that they don't use digital VRMs despite their marketing towards it (Extreme 6 and up do have it though).
I don't have any experience with the lower-end Z77 boards. All of mine have been $200+. redface.gif

Nope, they don't. None of ASRock Z77 boards use digital VRM, but that's not the problem. Extreme4's use of D-PAK mosfets and 4 phases out of 6 available on ISL6367 PWM is the problem.

OP, get MSI Z77A-GD55/GD65, Biostar TZ77 boards or Gigabyte GA-Z77X-UD3H or Z77X-D3H. Z77-D3H that you linked doesn't support SLI, and bad buy at the moment since Z77X-D3H costs the same after MIR.
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Ivy Bridge
(21 items)
 
Ryzen
(5 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i5 3570K Gigabyte GA-Z77X-UD5H EVGA Geforce GTX 780 Classified Crucial Ballistix Sport 2x8GB 1600Mhz CL9 
Hard DriveHard DriveHard DriveHard Drive
Samsung 830 Western Digital WD1001FALS Samsung HD753LJ ST3300822AS 
Hard DriveCoolingCoolingOS
Western Digital RED 3 TB Custom Loop Lamptron FC Touch Windows 8.1 update 1 Professional 
MonitorKeyboardPowerCase
Dell P2414H CM Storm Quickfire Rapid Red EVGA G2 1000W Cooler Master Cosmos II 
MouseMouse PadAudioAudio
Logitech G502 Logitech G240 Beyerdynamic DT 880 Premium 600 OHM Schiit Valhalla 
Audio
M-Audio AV40 
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