Any 4k monitor recommendations under 400$ ?

Anyone using [https://www.dell.com/en-in/shop/dell-27-4k-uhd-usb-c-monitor-s2722qc/apd/210-bcdb/monitors-monitor-accessories](https://www.dell.com/en-in/shop/dell-27-4k-uhd-usb-c-monitor-s2722qc/apd/210-bcdb/monitors-monitor-accessories) ? Is there flickering issue for you ?