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ZT-60201-10L Zotac Nvidia Geforce Gt 640 PCi Express 3.0 X 16 2GB GDDR3 SDRAM
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GV-N640OC-2GI (rev. 3.0) Overview | Graphics Card - GIGABYTE Global
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Specification N640-2GD3/V1 | MSI Global - The Leading Brand in High-end Gaming & Professional Creation
GIGABYTE GT 640 OC Specs | TechPowerUp GPU Database
