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21
5. Technical Specifications
5. Technical Specifications
Picture/Display
Monitor Panel Type IPS Technology
Backlight W-LED system
Panel Size 27” W (68.6cm)
Aspect Ratio 16:9
Pixel Pitch
271E1S/271E1SD/272E1SA: 0.311 x 0.311 mm
275E1/275E1S/275E1E: 0.233 x 0.233 mm
278E1/278E1A: 0.155 x 0.155 mm
Contrast Ratio
(typ.)
1000:1
Optimum
Resolution
271E1S/271E1SD/272E1SA: 1920 x 1080 @ 60 Hz
275E1/275E1S/275E1E: 2560 x 1440 @ 60 Hz
278E1/278E1A: 3840 x 2160 @ 60 Hz
Viewing Angle 178° (H) / 178° (V) @ C/R > 10 (typ.)
Picture
Enhancement
SmartImage
Flicker free Yes
Display Colors 16.7M
Vertical Refresh
Rate
271E1S/271E1SD/272E1SA/275E1/275E1S/275E1E: 50Hz-76Hz
(Analog)
271E1S: 48Hz-76Hz (HDMI, Adaptive Sync for HDMI)
271E1SD: 48Hz-76Hz (HDMI, Adaptive Sync for HDMI, DVI)
272E1SA/275E1/275E1S/275E1E: 48Hz-76Hz (HDMI, DP,
Adaptive Sync for HDMI, Adaptive Sync for DP)
278E1/278E1A: 23Hz-75Hz (HDMI, DP)
Horizontal
Frequency
271E1S: 30KHz-83KHz
275E1/275E1S/275E1E: 30KHz-114KHz
278E1/278E1A/271E1SD/272E1SA: 30KHz-160KHz
sRGB Yes
SmartUniformity
(278E1/278E1A)
Yes
EasyRead
(275E1E)
Yes
LowBlue Mode Yes
Adaptive Sync
(271E1S/271E1SD/27
2E1SA/275E1/275E1
S/275E1E)
Yes
Connectivity
Built-in speaker 272E1SA/278E1A: 3 W x 2
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