Sapphire has just annouced its latest DirectX 11 compliant graphics card that is called Sapphire Radeon HD 5450 Graphics Card, based on ATI Radeon HD 5450.Sapphire Radeon HD 5450 Graphics Card has 1GB of DDR2 memory across a 64-bit wide memory interface.Sapphire Radeon HD 5450 Graphics Card is a low-profile capable single-slot accelerator, with passive cooling for silent operation.Sapphire Radeon HD 5450 Graphics Card gives idea of how the move to 40 nm process helped AMD's lowest-end GPUs.Sapphire Radeon HD 5450 Graphics Card has an ATI-branded memory chip on it.Sapphire Radeon HD 5450 Graphics Card also features DVI-D, HDMI (with 7.1ch audio) and D-Sub which protrudes out as display connectivity.The Cedar GPU bundles 80 stream processors and a 64-bit wide memory interface.Sapphire Radeon HD 5450 Graphics Card is expected to be available soon at an estimated price around US $50.