does it have built in speaker?

It does not. You can connect an external speaker to it and it works great.

Is this monitor compatible with Nvidia Gsync?

Not as far as I can tell. Using the monitor with an Nvidia GTX1080

What does the red button on the back do?

it is the control input to access and navigate menu / settings. You can set it also to hotkey certain settings based on what direction you move the button. For instance, if I move the button to the left, I can scroll through and select different video inputs.

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MSI Optix G271 27" Full HD 1920 x 1080 1ms (MPRT) 144Hz 2xHDMI DisplayPort AMD FreeSync Anti-Glare Frameless Design Backlit LED IPS Gaming Monitor

(64)(3) Write a Review

1920 x 1080 Full HD Resolution
144Hz Refresh Rate
1ms (MPRT) Response Time
2 x HDMI (1.4), DisplayPort (1.2) Video Inputs
AMD FreeSync Technology
Anti-Flicker Technology with Low Blue Light
Tilt Adjustable
VESA Mount Compatible

Overview

Specs

Reviews (64)

Model
Brand	MSI
Model	Optix G271
Cabinet Color	Metallic Black
Bezel Design	Super Narrow Bezel

Display
Screen Size	27"
Widescreen	Yes
Glare Screen	Non-glare
LED Backlight	Yes
Panel	IPS
Display Type	FHD
Adaptive Sync Technology	AMD FreeSync
Resolution	1920 x 1080
Viewing Angle	178° (H) / 178° (V)
Aspect Ratio	16:9
Brightness	250 cd/m2
Contrast Ratio	1,000:1
Response Time	1ms (MPRT) / 4ms (GTG)
Display Colors	16.7 Million
Monitor Pixel Density	0.3114mm
Refresh Rate	144 Hz
Curved Surface Screen	Flat Panel

Connectivity
Input Video Compatibility	Digital
Connectors	HDMI, DisplayPort
HDMI	2 x HDMI 1.4b
DisplayPort	1 x DisplayPort 1.2
Video Ports	1 x DisplayPort 1.2 / 1 x HDMI 1.4

Power
Complies with	ENERGY STAR
Power Supply	100 - 240 VAC, 50/60Hz
Power Consumption	Power On: 27W Power Saving/Off: <0.5W

Convenience
Regulatory Approvals	Engergy Star, RoHS, CB, EMC, CE/FCC
Stand Adjustments	Tilt: -5 to 20 Degrees
VESA Compatibility - Mountable	100 x 100mm
Features	IPS Panel - Optimize screen colors and brightness to enhance your viewing experience. FHD High Resolution - Game titles will even look better, displaying more details due to the FHD resolution. 144Hz Refresh Rate - Real smooth gaming. 1ms Response Time - Eliminate screen tearing and choppy frame rates. Wide Color Gamut - Game colors and details will look more realistic and refined, pushing game immersion to its limits. AMD FreeSync Technology - Tear free. Night Vision - Smart black tuner to brighten your day by bringing out the fine details in dark areas. Frameless design - Enjoy the ultimate gaming experience with super narrow bezels. Anti-Flicker and Less Blue Light - Game even longer and prevent eye strain and fatigue. 178° Wide Viewing Angle - Colors and details will stay sharp at more angles with a 178° wide viewing angle.

Dimensions & Weight
Dimensions (H x W x D)	17.80" x 24.10" x 8.90" w/ stand 14.15" x 24.10" x 2.40" w/o stand
Weight	12.35 lbs. w/ stand

Packaging
Package Contents	Accessories: Power Cord, HDMI Cable

Additional Information
Date First Available	February 29, 2020

Warranty & Returns

Warranty, Returns, And Additional Information

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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

MSI Optix G271 27" Full HD 1920 x 1080 1ms (MPRT) 144Hz 2xHDMI DisplayPort AMD FreeSync Anti-Glare Frameless Design Backlit LED IPS Gaming Monitor

Learn more about the MSI Optix G271

Customer Reviews of the MSI Optix G271

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

Manufacturer Contact Info

Item#: N82E16824475048

MSI Optix G271 27" Full HD 1920 x 1080 1ms (MPRT) 144Hz 2xHDMI DisplayPort AMD FreeSync Anti-Glare Frameless Design Backlit LED IPS Gaming Monitor

Learn more about the MSI Optix G271

Customer Reviews of the MSI Optix G271

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

Manufacturer Contact Info