京东此款DELL 戴尔 S2721QS 27英寸 4K显示器目前活动售价1799元，下单领取满200元减20元、6号20点开始使用满800元减60元plus会员专享优惠券，实付低至1368元。该款显示器采用27英寸屏幕，比例16:9，分辨率为3840x2160，面板类型为IPS，刷新率为75Hz，响应时间为4ms ...

Learn more Dollar for dollar, Dell's S2721QS is the best computer monitor you can buy. It earns this high praise by delivering 4K resolution at a modest price of $359.99 – and it's not ...