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Question about Z77 chipset

post #1 of 4
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Will this chipset mobos allow full SLI at 16X 16x unlike the P67 which only has 8x 8x??
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Pride and Joy
(19 items)
 
  
CPUMotherboardGraphicsRAM
Core I7 2600K @ 4.7Ghz (HT On) w 1.33v Asus P67 Sabertooth EVGA GTX 580 @930 core with 1.1v 8GB Corsair Dominator Platinum DDR3 2133 1.5v 
Hard DriveOptical DriveCoolingOS
Vertex3 MAX IOPS 120GB + Samsung 1TB F3 RAID 0 LG 10X Blu ray drive Corsair H80 + 2 GT AP15s Windows 7 Ultimate 64bit SP1 
MonitorKeyboardPowerCase
Samsung T260 26" 1920x1200 Max Keyboard Nighthawk X9 mechanical Corsair AX850 GOLD CoolerMaster ATCS 840 Black 
MouseMouse PadAudioOther
Logitech G5 v1 Mionix Propus 380 Auzentech X-Fi Hometheater HD + Logitech Z5500 Wacom Bamboo Pen and Touch 
OtherOtherOther
Microsoft Lifecam Studio Sony Cyber-Shot DSC-WX50 digital camera Adesso ARC-1100 Remote Control 
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post #2 of 4
There are Z77 boards which allow (2) 16x lanes, but the most common config is still two 8x.
post #3 of 4
The Z77 chipset supports 1 × PCIe 3.0 ×16 or 2 × PCIe 3.0 ×8 or 1 × PCIe 3.0 ×8 + 2 × PCIe 3.0 ×4
So the answer is no however ×8 PCIe 3.0 is the same speed as ×16 PCIe 2.0.
Define
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Define
(21 items)
 
   
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Samsung 840 Pro 256GB Crucial MX100 512GB Noctua NH-U14S 3x Noctua NF-A14 FLX 
OSMonitorMonitorKeyboard
Windows 10 Pro 64-bit Dell U2713HM Dell U2312HM Ducky Shine 3 Year of the Snake (MX Brown) 
PowerCaseMouseMouse Pad
EVGA SuperNOVA P2 650W Fractal Design Define R5 Black Mionix Naos 7000 SteelSeries QcK 
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Sennheiser HD 650 (bal) Fostex TH-X00 Ebony Schiit Modi Multibit Schiit Jotunheim 
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TP-LINK Archer T9E  
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Intel Xeon E5-2620 v4 @ 3GHz Matrox G200eH2 4x8GB Kingston Dual Rank ECC DDR4 @ 2133MHz 2x Samsung PM863 120GB in RAID1 
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post #4 of 4
The z77 boards that advertise 2 x16 lanes are using a PLX PEX 8747 chip that is basically a switch for the express lanes. At first I was set on getting one of the boards with this chip, but from what I found, you get to deal with latency that in some cases makes them slower than 2 x8 lanes.
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