Cant find UHD 420 korean monitor on ebay

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all I can find is the 400.Im in Australia. Is the 400 good? http://www.ebay.com/itm/WASABI-MANGO-UHD400-REAL-4K-HDMI-2-0-40-Samsung-PVA-Panel-UHD-3840x2160-Monitor-/111912465075?hash=item1a0e80b2b3:g:3AwAAOSwe7BWzS2K