![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 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](https://m.media-amazon.com/images/I/814ylklq42L._AC_UF894,1000_QL80_.jpg)
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
![Best Buy: Galaxy GeForce GT 640 Graphic Card 1 GPUs 950 MHz Core 1 GB DDR3 SDRAM PCI-Express 3.0 x16 64TGF8HX6FTZ Best Buy: Galaxy GeForce GT 640 Graphic Card 1 GPUs 950 MHz Core 1 GB DDR3 SDRAM PCI-Express 3.0 x16 64TGF8HX6FTZ](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/5606/5606912_sa.jpg)
Best Buy: Galaxy GeForce GT 640 Graphic Card 1 GPUs 950 MHz Core 1 GB DDR3 SDRAM PCI-Express 3.0 x16 64TGF8HX6FTZ
![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 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](https://m.media-amazon.com/images/I/814ylklq42L.jpg)
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
![Specification N640-2GD3/V1 | MSI Global - The Leading Brand in High-end Gaming & Professional Creation Specification N640-2GD3/V1 | MSI Global - The Leading Brand in High-end Gaming & Professional Creation](https://asset.msi.com/resize/image/global/product/five_pictures1_2736_20140409145840.png62405b38c58fe0f07fcef2367d8a9ba1/1024.png)
Specification N640-2GD3/V1 | MSI Global - The Leading Brand in High-end Gaming & Professional Creation
![Amazon.com: EVGA GeForce GT 640 2048MB GDDR3 Dual DVI, mHDMI Graphics Cards 02G-P4-2643-KR : Electronics Amazon.com: EVGA GeForce GT 640 2048MB GDDR3 Dual DVI, mHDMI Graphics Cards 02G-P4-2643-KR : Electronics](https://m.media-amazon.com/images/I/61a8HuWoVvL.jpg)