MSI Optix MAG401QR 40" UWQHD 155Hz Gaming Monitor

Panel Size 40" (101.6 cm)
Active Display Area (mm) 926.22(H)x387.72(V)
Curvature Flat
Panel Type IPS
Panel Resolution 3440x1440 (UWQHD)
Pixel Pitch (H x V) 0.2697(H)x0.2697(V)
Aspect Ratio 21:9
Brightness (nits) 400 (Typ.), 400 (HDR peak)
Contrast Ratio 1000:1
DCR 100000000:1
Signal Frequency 30~160 KHz(H) / 60~144 Hz(V)
ACTIVATED RANGE 48~155Hz
Refresh Rate 155Hz
Response time 1ms (MPRT)
DYNAMIC REFRESH RATE TECHNOLOGY Adaptive Sync
HDR Support VESA DisplayHDR 400
Video ports 2 x HDMI™ (Supports 3440x1440@100Hz as specified in HDMI™ 2.0b) 1 x DisplayPort (Supports 3440x1440@155Hz as specified in DisplayPort 1.4a) 1 x Type-C (DP alt. with PD 65W)
USB ports 2 x USB 2.0 Type-A 1 x USB 2.0 Type-B Upstream 1 x USB 2.0 Type-C (PD 65W)
Audio ports  1x Headphone out
Viewing Angle 178° (H) / 178° (V) 
Adobe RGB / DCI-P3 / sRGB 90% / 94% / 118%
Surface Treatment Anti-glare
Display Colors 1.07B (8 bits + FRC)
Control 5-Way Navigator Joystick
Console Mode 2K Resolution PS5™ Optimization FHD @ 120Hz * All trademarks and the registered trademarks are the property of their respective owners.
Frameless Design Yes
PIP / PBP Function Yes
Power Type Power Cable
Power Input 100~240V, 50/60Hz
Adjustment (Tilt) -5° ~ 20°
Kensington Lock Yes
VESA Mounting 100x100mm
Weight (NW / GW) 10.3 kg / 12.4 kg
Dimension (W x D x H) 945.22 x 289.63 x 530.29 mm / 945.22 x 83.32 x 416.12 mm (without stand)
Note DisplayPort: 3440X1440 (Up to 155Hz)
Type-C: 3440 x 1440 (Up to 155Hz)
HDMI™: 3440 x 1440 (Up to 100Hz)

Adobe RGB, DCI-P3 and sRGB follow CIE1976 Standard