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
Amazon.com: ASUS AMD Radeon HD 5450 SILENT Series with 0dB Thermal Solution and 1 GB Memory Video Card EAH5450 SILENT/DI/1GD3(LP) : Electronics
Guide] Enabling ATI Radeon HD 5450 | tonymacx86.com