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I have two geforce 480x\'s but I have a GA-P55A-UD4P mobo, does that mean, si

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June 7, 2010 11:04:09 AM

I have two geforce GTX 480's but I have a GA-P55A-UD4P mobo, does that mean, since there seems to be one 16x lane that the two cards at 8x would slow down a lot? Sadly I just found this out after I placed an order on my rig, but I fid out soon enough I could cancel it and try for the X58 chipset. the specs on the rig I got are:

also if I do stick with this I plan on overclocking the CPU.
CD: Sony 24X Double Layer Dual Format DVD+-R/+-RW + CD-R/RW Drive
CD2: None [-24]
CAS: Raidmax Typhoon Gaming Mid-Tower Case with See-Thur Side Panel
CASUPGRADE: None
CS_FAN: Maximum 120MM Case Cooling Fans for your selected case
CPU: Intel(R) Coreā„¢ i7-875K 2.93 GHz 8M Intel Smart Cache LGA 1156
CARE1: Ultra Enhanced Packaging Solution - Protect Your Dream System During Transit
CARE2: Professional Wiring for All WIRING Inside The System Chassis - Minimize Cable Exposure, Maximize Airflow in Your System [
FLOPPY: None
FREEBIE_CU: FREE Game - Napolean: Total War
FAN: Xigmatek Thor's Hammer Gaming CPU Cooling Fan (Double layer H.D.T. technology for maximum cooling)
FA_HDD: None
FLASHMEDIA: None
HDD: 2TB SATA-II 3.0Gb/s 32MB Cache 7200RPM HDD (Single Hard Drive)
HDD2: None
IEEE_CARD: None
KEYBOARD: Xtreme Gear (Black Color) Multimedia/Internet USB Keyboard
MOUSE: XtremeGear Optical USB 3 Buttons Gaming Mouse
MONITOR: None
MONITOR2: None
MOTHERBOARD: * [CrossFireX/SLI] GigaByte GA-P55A-UD4P Intel P55 Chipset DDR3 ATX Mainboard w/ 7.1 HD Audio, GbLAN, USB3.0, 2 x SATA-III RAID, 2 Gen2 PCIe, 3 PCIe X1, & 2 PCI
MB_ADDON: Asus U3S6 True 2 x USB 3.0 & 2 x SATA-II PCIe X4 Expansion Card
MEMORY: 8GB (2GBx4) DDR3/1600MHz Dual Channel Memory Module (A-Data Gaming Series with Heat Spreader)
MULTIVIEW: Xtreme Performance in SLI/CrossFireX Gaming Mode Supports Single Monitor
MODEM: None
NETWORK: Onboard Gigabit LAN Network
OS: Microsoft(R) Windows(R) 7 Home Premium (64-bit Edition)
OVERCLOCK: No Overclocking
POWERSUPPLY: 950 Watts Power Supplies (CyberPowerPC Power Supply)
USB: Add External USB 2.0 Hub (4x USB 2.0 Ports) [+19] (SILVER Color IR-4100-SL)
USBHD: None
USBFLASH: None
USBX: None
VIDEO: NVIDIA GeForce GTX 480 1.5GB 16X PCIe Video Card (Major Brand Powered by NVIDIA)
VIDEO2: NVIDIA GeForce GTX 480 1.5GB 16X PCIe Video Card (Major Brand Powered by NVIDIA)

VC_PHYSX: None
a c 135 V Motherboard
June 7, 2010 12:04:39 PM

Your board supports both SLI and CF,so you can use your cards on it(on dual 8x mode)
http://www.pcstats.com/articleview.cfm?articleID=2495
"The GA-P55A-UD4P still has support for all of Intel's socket 1156 Core i5 700-series and Core i7 800-series processors, can be installed with up to 16GB of DDR3 memory at speeds of 800/1066/1333/2200 in four DDR3 memory slots. The board supports dual-videocard SLI/Crossfire gaming configurations in a x8/x8 PCI Express 2.0 arrangement, or a single videocard in x16 mode."
June 7, 2010 4:27:49 PM

I know it supports it but does it limit the power of the cards?
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a c 135 V Motherboard
June 7, 2010 7:13:05 PM

Not much,dual 8x is pretty good for SLI/CF configuration and perform closely to dual 16x
June 7, 2010 8:58:46 PM

ah okay, so I should be good then. thanks for the input!
a c 135 V Motherboard
June 8, 2010 7:09:32 AM

you are welcome :) 
a c 112 V Motherboard
June 8, 2010 1:19:03 PM

The only detriment to your set-up is when you ever use USB 3.0 it will not function at full speed.
Personally i wouldn't be too concerned if your main purpose is gaming on your rig.
From what i understand the USB would perform slightly better then USB 2.0 anyways just not full USB 3.0.
!