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Asus GT640-DCSL-2GD3 GeForce GT 640 Graphic Card - 1 GPUs - 901 MHz Core - 2 GB GDDR3 SDRAM - PCI-Express 3.0 x16 - Newegg.com
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Amazon.com: Epic IT Service - Geforce GT 640 for Mac Version, with 1GB GDDR5, PCI Express Gen 3.0, DVI-I DL, HDMI 2.0, DisplayPort 1.2, DirectX 12 (Boot Camp) Light Performance Board - OEM : Electronics
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Amazon.com: Epic IT Service - Geforce GT 640 for Mac Version, with 1GB GDDR5, PCI Express Gen 3.0, DVI-I DL, HDMI 2.0, DisplayPort 1.2, DirectX 12 (Boot Camp) Light Performance Board - OEM : Electronics
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