出全新未拆封Dell U2720QM 4k USB- C显示器，官网购买，全新未拆封，可提供购买收据以及物流信息。450USD obo。详细信息可参考Amazon https://www.amazon.com/Dell-U2720QM-UltraSharp-Ultra-Thin-DisplayPort/dp/B08F5J8S6Y 和 BestBuy https://www.bestbuy.com/site/dell-u2720qm-ultrasharp-27-4k-ips-led-usb-c-monitor-display-hdmi-usb-black/6404051.p?skuId=6404051

另出一台二手显示器，9成新，Dell U2520D，2k USB-C显示器，具体参数信息可参考官网https://www.dell.com/en-us/shop/dell-ultrasharp-25-usb-c-monitor-u2520d/apd/210-avkg/monitors-monitor-accessories。所有原厂包装都在。要价210USD obo。

坐标湾区Palo Alto，可以在附近的地方面交.

Dell U2720QM 4k USB-C monitor, purchased from Dell, not opened the package yet. 450 USD obo.
More details refer to here: Amazon https://www.amazon.com/Dell-U2720QM-UltraSharp-Ultra-Thin-DisplayPort/dp/B08F5J8S6Y 和 BestBuy https://www.bestbuy.com/site/dell-u2720qm-ultrasharp-27-4k-ips-led-usb-c-monitor-display-hdmi-usb-black/6404051.p?skuId=6404051

Almost new Dell 2520D 2k monitor, USB-C. Purchased from Dell as well, and all packages are still kept. 210 USD obo.
More details here: https://www.dell.com/en-us/shop/dell-ultrasharp-25-usb-c-monitor-u2520d/apd/210-avkg/monitors-monitor-accessories

Thanks all.