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 ...

Image quality and features Resolution is the defining feature of Dell's S2721QS. 4K (3,840 x 2,160) on a 27-inch screen works out to 163 pixels per inch. That's double the pixel density of a 27 ...

Right now, you can score this 27-inch 4K monitor by Dell for just $199 on Amazon, which is slashed 34 percent off its usual $300 price. The Dell S2721QS features a gorgeous 3840×2160 IPS display ...