I need to know if this monitor has internal speakers and for what is the small round connector, Audio out or Audio input?

no internal speakers and no clue to what port you are speaking about, sorry.. still very happy with this monitor though.. running like a champ.. and 40" is 40" (huge)

How high is the bottom of the monitor from the desk surface when on the stand?

When the screen is straight up and down the bottom of the monitor is is 4-1/4" above the desk surface - tilt the screen and the distance increases to 5" at a better viewing angle

Does the USB C connection act as hub for the other USB A ports or do you have to use the USB-B port?

you use the USB-B type as the usb passthru.. that's been VERY standard for like ever..

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Main image of MSI 40" 155 Hz IPS UWQHD IPS Gaming Monitor FreeSync Premium (AMD Adaptive Sync) 3440 x 1440 (2K) MAG401QR

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MSI 40" 155 Hz IPS UWQHD IPS Gaming Monitor FreeSync Premium (AMD Adaptive Sync) 3440 x 1440 (2K) MAG401QR

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Ultrawide massive 40" 21:9 screen
Flat screen for eSports experience
AMD FreeSync Premium
IPS Panel for best response in gaming
Super narrow bezel for max viewing size
MSI Gaming OSD
RGB gaming LED finishing
HDR 400 provides eye-catching detail in gaming
2K Res for best detail in game experience

Overview

Specs

Reviews (38)

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Best Seller Ranking	#43 in Gaming Monitor

Model
Brand	MSI
Model	MAG401QR
Part Number	MAG401QR
Cabinet Color	Metallic Black - RGB

Display
Screen Size	40"
Widescreen	Yes
Glare Screen	No
Panel	IPS
Display Type	UWQHD
Adaptive Sync Technology	FreeSync Premium (AMD Adaptive Sync)
Resolution	3440 x 1440 (2K)
Viewing Angle	178° (H) / 178° (V)
Aspect Ratio	21:9
Brightness	400 cd/m2
Contrast Ratio	1,000:1
Response Time	1ms (MPRT)
Display Colors	1.07 Billion
Monitor Pixel Density	0.2697mm
Refresh Rate	155 Hz

Connectivity
Video Ports	1 x DisplayPort 1.4a / 1 x USB-C (DP Alternative) / 2 x HDMI 2.0b
USB Ports	1 x USB 2.0 Type-B Upstream / 2 x USB 2.0 Type-A Downstream

Power
Power Consumption	Power On: 90W Power Saving/Off: <0.5W

Convenience
Stand Adjustments	Tilt: -5° ~ 20°
VESA Compatibility - Mountable	100 x 100mm
Features	Ultrawide massive 40inch 21:9 screen Flat screen for eSports experience AMD FreeSync Premium IPS Panel for best response in gaming Super narrow bezel for max viewing size MSI Gaming OSD RGB gaming LED finishing HDR 400 provides eye-catching detail in gaming 2K Res for best detail in game experience

Dimensions & Weight
Dimensions (H x W x D)	20.88" x 37.21" x 11.40" w/ stand 16.38" x 37.21" x 3.30" w/o stand
Weight	22.70 lbs.

Packaging
Package Contents	Power Cord, DP/HDMI Cable, Power Adapter

Additional Information
First Listed on Newegg	March 28, 2023

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 1 year
Limited Warranty period (labor): 1 year
Read full details

Return Policies

Return for refund within: 15 days

Return for replacement within: 15 days

This item is covered by Newegg.com's 15-Day Return Policy. Read full return policy for details.

Best Sellers

MSI 40" 155 Hz IPS UWQHD IPS Gaming Monitor FreeSync Premium (AMD Adaptive Sync) 3440 x 1440 (2K) MAG401QR

Learn more about the MSI MAG401QR

Customer Reviews of the MSI MAG401QR

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16824475289

Best Sellers

MSI 40" 155 Hz IPS UWQHD IPS Gaming Monitor FreeSync Premium (AMD Adaptive Sync) 3440 x 1440 (2K) MAG401QR

Learn more about the MSI MAG401QR

Customer Reviews of the MSI MAG401QR

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info