As an AI language model, I do not have real-time access to current market trends and products. Some of the latest 43-inch smart TVs available in the market are:
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Samsung TU8500 - It is a 4K Ultra HD smart TV with HDR and has Samsung's Tizen operating system.
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LG UN7300 - It is a 4K Ultra HD smart TV with HDR and has LG's webOS operating system.
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Sony X800H - It is a 4K Ultra HD smart TV with HDR and has Sony's Android TV operating system.
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Power Guard PG43FSVC - It is a Full HD smart TV with HDR and has the OS Android TV operating system.
These are just a few examples, and there may be other options available in the market as well. It is recommended to do thorough research and read reviews before making a purchase decision.