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Dell UltraSharp U2312HM
Dell UltraSharp U2412M
Dell S2330MX
Dell S2230MX
Dell UltraSharp U2711
Dell UltraSharp U2312HM
Dell UltraSharp U2412M 24 inch LCD Monitor
Dell S2330MX Monitor
Dell S2230MX Monitor
Dell U2711 Monitor
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Release Date
Jul 2011
Jun 2011
Aug 2011
Aug 2011
Feb 2010
Aspect Ratio
Widescreen (16:9)
Widescreen (16:9)
16:9
16:9
16:9
Brightness
300.0 cd/m^2
300.0 cd/m^2
250.0 cd/m^2
250.0 cd/m^2
350.0 cd/m^2
Contrast Ratio
1000:1
1, 000:1
1000:1
1000 : 1
1000:1
Dot Pitch
0.265 mm
0.27 mm
0.265 mm
0.248 mm
0.23 mm
Max. Resolution
1920 x 1080
1920 x 1200
1920 x 1080
1920 x 1080
2560 x 1440
Response Time
8.0 ms
8.0 ms
2.0 ms
2.0 ms
6.0 ms
Screen Size
23.0 inch
24.0 inch
23.0 inch
21.5 inch
27.0 inch
Color Depth
16.7 million colors
Unlimited
16.7 million colors
16.7 million colors
Up to 1.07 billion colors
Monitor Type
monitor with LED
LED Monitor
LED
LED
Flat Panel LCD TFT (Active Matrix)
Viewable Picture Size
23.0 in.
24.0 in.
23.0 in.
21.5 in.
27.0 in.
Average Rating
 4.8 stars
 4.1 stars
 3.0 stars
 3.5 stars
 4.3 stars