Amazon.com: HIS Radeon HD 5450 Silence 1 GB (64bit) DDR3 Eyefinity Displayport DL-DVI (HDCP) VGA PCI Express 2.1 16x Low Profile Video Card Retail (RoHS) H545H1GDL : Electronics
ATI Group Radeon HD 5450 (1GB) Review: The HD 5450 graphics card is available with both 512MB and 1GB of video memory - PC Components - Graphic Cards - PC World Australia