Dell P2723D 27" 1440p Monitor - Manual (Page 15)

About your monitor │ 15
Preset display modes
Display Mode
Horizontal
Frequency
(kHz)
Vertical
Frequency
(Hz)
Pixel Clock
(MHz)
Sync
Polarity
(Horizontal
/ Vertical)
IBM, 720 x 400 31.50 70.10 28.30 -/+
VESA, 640 x 480 31.50 59.90 25.20 -/-
VESA, 640 x 480 37.50 75.00 31.50 -/-
VESA, 800 x 600 37.90 60.30 40.00 +/+
VESA, 800 x 600 46.90 75.00 49.50 +/+
VESA, 1024 x 768 48.40 60.00 65.00 -/-
VESA, 1024 x 768 60.00 75.00 78.80 +/+
VESA, 1152 x 864 67.50 75.00 108.00 +/+
VESA, 1280 x 768 47.80 59.90 79.50 -/+
VESA, 1280 x 1024 64.00 60.00 108.00 +/+
VESA, 1280 x 1024 79.90 75.00 135.00 +/+
VESA, 1600 x 1200 75.00 60.00 162.00 +/+
VESA, 1680 x 1050 65.30 60.00 146.30 -/+
CTA, 1920 x 1080 67.50 60.00 148.50 +/+
VESA, 1920 x 1200 74.60 59.90 193.30 -/+
VESA, 2048 x 1080 66.60 60.00 147.20 +/-
VESA, 2560 x 1440 88.80 60.00 241.50 +/-