http://www.best3dgraphiccard.com/pcie-dual-link/
Pcie Dual Link
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PNY nVidia GeForce 8400 GS 512 MB PCI Video Graphics Card VCG84512SPEB - Retail List Price: $74.99 Sale Price: $43.50 Average Rating:   |
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Upgrade your PC with the almost universal Verto 8400GS PCI for amazing performance with support for the PCI bus. 
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EVGA 01G-P3-N945-LR GeForce 9400 GT 1GB DDR2 PCI-E 2.0 Graphics Card List Price: $81.99 Sale Price: $57.84 Average Rating:  |
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The features of the 9400 GT 01G-P3-N945-LR include the GeForce 9400 GT(550MHz clock) chipset, 1GB of 128-bit DDR2 memory with a 400 MHz clock with an effective rate of 800 MHz, 1400MHz Shader Clock, 16 processing cores, PCI Express 2... |
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EVGA 512-P2-N738-LR GeForce 8400 GS 512MB DDR2 PCI-Express Graphics Card List Price: $50.99 Sale Price: $32.95 Average Rating:  |
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The eVGA 512-P2-N738-LR NVIDIA e-GeForce 8400GS 512 MB PCI-E Graphics Card features 512 MB of 128 bit DDR2 memory with a 4.26 GB-per-second memory bandwidth. Based on NVIDIA unified architecture with GigaThread technology, the card offers full Microsoft DirectX 10 Shader Model 4... |
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ASUS Radeon EAH4350 512MB DDR2 PCI-Express Silent Graphics Card List Price: $51.99 Sale Price: $29.99 Average Rating: |
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ASUS EAH4350 SILENT/DI/512MD2(LP) Radeon HD 4350 512MB 64-bit DDR2 PCI Express 2.0 x16 Low Profile Video Card (DVI /─ /2nd VGA /HDMI /─ /HDTV Support) Hybrid CrossFire Ready |
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EVGA nVidia GeForce 7200GS 512 MB VGA/DVI/TV-out PCI-Express Video Card 512-P2-N430-LR List Price: $49.99 Sale Price: $29.04 Average Rating: |
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The features of the 7200 GS 512-P2-N430-LR include the GeForce 7200 GS (450 MHz clock) chipset, 512MB of 64-bit 2.5ns GDDR2 memory with a 532 MHz effective rate, PCI Express compatibility,4.26GB per second memory bandwidth, CineFx 3... |
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PNY 6200 512 MB AGP DVI Graphics Card VCG62512APB List Price: $44.99 Sale Price: $40.00 Average Rating:  |
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GEFORCE 6200 AGP 512MB 64BIT CTLRVGA DVI HDTV/SDTV |
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EVGA 512-A8-N403-LR GeForce 6200 LE 512MB DDR2 AGP Graphics Card List Price: $66.99 Sale Price: $41.99 Average Rating: |
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The features of the 6200 LE 512-A8-N403-LR include the GeForce 6200 LE (300MHz clock) chipset, 512MB of DDR2 memory with a 532MHz clock with an effective rate of 1064MHz, AGP 8X compatibility, Integrated NVIDIA TV encoder, 4... |
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PNY GeForce FX 5200 PCI 256 MB 2 Port VGA + S-Video Graphics Card VCGFX522PEB - Retail List Price: $56.99 Sale Price: $36.99 Average Rating: |
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Leave the dull world of integrated graphics technology behind and enter the World of Cinematic Computing. The NVIDIA GeForce FX-Series graphics cards deliver industry-leading features and performance enabling special effects on par with Hollywood films... |
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 XFX Radeon HD 4670 1GB PCIe w Dual Link DVI  US $70.99
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 Amaze ATI HD5670 PCI E 20 1GB 128 bit GDDR5 Dual Link US $128.61
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 XFX G210 PCI E 20 512MB 64 Bit DDR2 Dual link DVI HD US $59.84
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 Galaxy G210 PCI E 20 512MB 64 Bit DDR2 Dual link DVI US $54.48
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 Matrox M9125 PCI E X16 512mb DDR2 Dual Dual link Rohs A US $355.99
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 EVGA GeForce GTS 250 512MB PCIe w Dual Link DVI US $114.99
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 Leadtek G210 PCI E 20 512MB 64 bit DDR2 Dual Link DVI US $66.98
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 Visiontek Radeon HD 4850 1GB PCIe w Dual Link DVI US $119.99
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 NEW GF GT 220 ZONE 1024MB DDR2 PCI E DUAL LINK DVI H US $75.24
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Which Of These Graphic Card Options Should I Get For My Computer?
these are my choices
(Qty: 1) XFX GTX 295 PCI-E 2.0 1792MB 896-Bit DDR3, Core clock: 576MHz, Memory clock: 2016MHz, 2x Dual-link DVI, HDMI
(Qty: 2) XFX GX-285X-ZWFF PCIe GTX285 1GB DDR3, 648Mhz Clock Speed 2.48Ghz,Dual DVI, free game Far Cry2 (Min 650W)
(Qty: 3) Asus ENGTX275/HTDI/896MD3/A, GTX275, 896MB, 448bit, DDR3, PCIE2.0, 633Mhz, 2DVI, HDCP, HDTV, HDMI
so it either 1 295GTX or 2 285GTX or 3 275GTX
im looking for high performance gaming and im not 100% sure that each card will compensate the power e.g. 1 275 is running crysis at 90% power on full graphic but if i have 3 275 would it mean that 30% power will run on all of them. which means that i will be able to play very descrite games in the future. plz answer
Personally, I would go with a GTX 295. It has 2 GPUs on board, so it's almost like having dual video cards on one chip, which leaves room for expansion and airflow if you want to overclock. I'd rule out the 3 GTX 275s simply because while you have 3 video cards, they're not all utilized fully. There's not a huge performance difference between 2 video cards and 3 video cards.