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Surface Pro, 2013
The Surface with Windows 8 Pro is the first business version of Microsoft's tablet. Running the full version of Windows 8, its high spec and higher ultrabook-style price means it is aimed firmly at the enterprise market. Our reviewer liked the build quality and the performance but said it was let down by battery life.
The Surface 2 arrived a year after the first model, and features a dual-position kickstand that angles the display at either 24 degrees or 40 degrees. While our reviewer liked the bump in performance over the Surface RT, the lack of apps remained a sticking point.
Surface Pro 2, 2013
This is the Surface Pro 2 which arrived in October 2013, powered by a fourth generation (Haswell) processor, which delivered a improved performance and battery life over the original model. It features a dual-angle kickstand with the aim of making it more comfortable to work or watch video. Our reviewer liked the performance boost but said the unchanged chassis design "feels bulkier and heavier than ever."
Image: Charles McClellan/ZDNet