[05/26/2017] ViewSonic VP2780-4K 系列27吋4K超高解析度顯示器，ViewSonic VP2780-4K 27-Inch 4K Ultra HD LED Monitor (3840×2160, 60Hz, 5ms, 20M:1 DCR, HDMI 2.0, Dual MHL, DisplayPort, MultiPicture, Pre-Calibrated)，定價$674.93，目前特價$599.99 USD。Prime境內免運費。哪裡買: amazon。