Galaxy, Gigabyte and Gainward GeForce GT 640 Pictured | VideoCardz.com
GT 640 | ZOTAC
Nvidia GT 640/740 1 GB, 2 GB or 4 GB
ASUS GeForce GT 640 Gaming Graphics Card GT640-DCSL-2GD3 B&H
Used - Very Good: EVGA GeForce GT 640 Video Card 02G-P4-2643-KR - Newegg.com
GeForce GT640 2GB GeForce GT640 2GB by Gigabyte Technology. $145.50. This product may be prohibited inbound shipment to your des… | Graphic card, Gigabyte, Best gpu
GeForce GT 640
GIGABYTE GeForce GT 640 Video Card GV-N640OC-2GI - Newegg.com