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MSI Radeon HD 4550 (part number R4550-MD1GH) is a desktop graphics processing unit, based on ATI Radeon HD 4550 GDDR3. The GPU, built on 55 nm technology, sports Unified Superscalar Shader architecture. The card has graphics clocked at 600 MHz. It also has 80 stream processors, 4 color ROPs, as well as 8 texture units. The Radeon HD 4550 incorporates 512 MB of GDDR3 memory. Because the memory operates at 700 MHz, and uses 64 bit bus, the effective memory bandwidth is 11.2 GB/s. The GPU supports PCI Express 2.0 interface, and needs a single slot on the motherboard. This model uses up to 25 Watt of power.
Please see below for detailed specifications of the MSI Radeon HD 4550 card.