Question 1

Can this be mounted on a stand for a dual monitor set-up?

Accepted Answer

It can be mounted on any arm that's compatible with VESA 100 mm. Whether a dual arm will work depends on the maximum supported screen size for the particular arm. Most seem to support two 27" screens at a minimum, so most likely yes but you should check the specs to be sure.

Question 2

Is it non glossy?

Accepted Answer

Dell calls it a "anti glare coating" I would say it's semi-glossy.Enter an answer to this question.

Question 3

This monitor has control buttons located on the beveled bottom edge.  For multi-monitor arrays, for example a 2x2 or 2x3, with monitors stacked vertical, touching edge to edge, top to bottom, how difficult is it to access the control buttons that will be in a little wedge between monitors?  Fingers will not fit in there, so does Dell include some kind of a flat tool to access control buttons tucked away there in the wedge space between monitors?  it makes no sense to design a thin bezel monitor perfect for multi-monitor arrays, then place the control buttons on the bottom edge instead of the front, but what about the beveled bottom edge approach?

Accepted Answer

If turned vertically the buttons would be non accessible if placed right next to one another, a non issue for the majority of users who will use this horizontally. On the flip side if you place them on the bottom and leave a bezel now you have a fairly significant blank space between screens when turned vertically.

Question 4

The promotion number is invalid?

Accepted Answer

EMCPSRY46 try this - worked for me today

Brand	Dell
Model	U2518D
Cabinet Color	Black

Screen Size	25"
Glare Screen	Anti-glare
LED Backlight	Yes
Widescreen	Yes
Maximum Resolution	2560 x 1440
Resolution	2560 x 1440 (2K)
Refresh Rate	60Hz
Viewing Angle	178° (H) / 178° (V)
Monitor Pixel Density	0.216mm
Display Colors	16.7 Million
Brightness	350 cd/m2
Contrast Ratio	1,000:1
Aspect Ratio	16:9
Response Time	5ms (GTG)
Panel	IPS
Display Type	QHD

Connectors	HDMI, DisplayPort, USB
HDMI	1 x HDMI 2.0
DisplayPort	1 x DisplayPort (ver. 1.2) 1 x Mini DisplayPort (ver. 1.2)
USB 3.0	4 x USB 3.0 ports, including 2 x USB 3.0 BC1.2 charging capability at 2A (max)

Complies with	ENERGY STAR
Power Supply	100-240 VAC / 50 or 60 Hz +/- 3 Hz / 1.6 A (maximum)
Power Consumption	28W (typical) 110W (maximum) 23.81W (Energy Star)

Regulatory Approvals	Energy Star certified EPEAT Gold TCO Certified Display RoHS Compliant
Stand Adjustments	Height, Pivot, Swivel, Tilt
VESA Compatibility - Mountable	100 x 100mm

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Dell UltraSharp U2518D 25" QHD 2560x1440 2K Resolution 60Hz Mini-DisplayPort HDMI DisplayPort USB 3.0 Hub Anti-Glare Backlit LED IPS Monitor

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Temperature Range	Operating: 0°C to 40°C (32°F to 104°F) Non-operating: –20°C to 60°C (–4°F to 140°F)
Humidity Range	Operating: 10% to 80% (non-condensing) Non-Operating:5% to 90% (non-condensing)

Dimensions & Weight
Dimensions	13.05" x 22.35" x 7.88"
Weight	7.58 lbs.

Item#: 9SIA19P6VB1706