Ebay offers Dell 31.6" Plus 4K QD-OLED 3840 x 2160 120Hz 0.03ms Ash White Monitor for $399.99 (reg. $849.99) with free shipping. 

Product Description:
This is a Dell 31.5" Plus 4K QD-OLED Monitor (Model: S3225QC), delivering a premium visual experience. Featuring Quantum Dot (QD-OLED) technology, it offers stunning color accuracy, deep blacks, and exceptional contrast. Enjoy smooth performance with a 120Hz refresh rate and an ultra-fast 0.03ms response time. Finished in an elegant Ash White design, this monitor is perfect for demanding users, including creatives, gamers, and professionals seeking high-end display quality.