Does the Radeon HD 5450 support three displays?
Solution 1
This is from the AnandTech review of the AMD Radeon HD 5450:
Finally, since the 5450 is a low-profile card, we have yet another variant in the port configuration. Our sample card is equipped with 1 DVI port and 1 DisplayPort directly on the card, and a VGA port on the bracket attached to the card via cable. The 5450 – like all other 5000-series cards – supports 3-monitor Eyefinity, so all 3 ports can be used at once, although the VGA port is obviously going to make it less desirable here.
We should note that only cards with a DisplayPort will support Eyefinity, which means that if a vendor decides to equip the card with an HDMI port instead, they have to give up Eyefinity to do so. We expect to see some cards with HDMI for the HTPC crowd, but at this point we don’t have any idea as to how many there will be. DVI-to-HDMI adaptors still work here, so we may see vendors spend a bit more money and go that route instead.
I've highlighted the part you'll be interested in. Basically, without DisplayPort, there's no Eyefinity and, therefore, no 3 monitor support.
Solution 2
You have to get a Radeon 5450 with a DisplayPort in order to do three monitors. They do make them, but you have to be careful not to buy the wrong one.
Also, if you do not have to a DisplayPort monitor, you need to buy an approved adapter or the third port will most likely not work (it sometimes still does with other adapters).
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user45326
Updated on September 17, 2022Comments
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user45326 almost 2 years
I know that ATI.com says that the Radeon HD 5450 supports three displays. My question is, how does it support three displays without DisplayPort? I see only VGA, HDMI, and DVI on 5450s.
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LaughingMan over 14 yearsOne connected in each connector?
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nhinkle over 14 yearsYou're only partially right. The graphics cards will not support EyeFinity without DisplayPort, which means you don't get the fancy EyeFinity features like stretching the desktop across 3 screens as one large resolution. You can still run 3 displays as separate desktops though, just as you can use dual monitors on any video card with 2 DVI or a VGA and a DVI output.
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GreenEggs about 14 yearsIs what nhinkle says true? I really only want 3 displays on my desktop, so I will be happy with the HDMI, VGA and DVI.
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Tobias over 13 yearsI plan to buy a 5450 card that has VGA, HDMI and DVI. Does that really mean that I can use 3 displays? This card does not have a DisplayPort.
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nhinkle about 12 years@José to my knowledge, the current state of affairs on ATI cards is as such: you can run three displays, but only up to 2 can be on DVI. The third (and any additional) must be displayport. However, for any multi-monitor setup, you have the choice to either do eyefinity and have one massive "desktop", or to just use it as three distinct displays.
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SLaks almost 12 years@nhinkle: Can a card without DP run two monitors spanned as EyeFinity and the third without?
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nhinkle almost 12 years@SLaks to my knowledge, a card without DP can run at most 2 monitors in any configuration.
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Lothar over 6 yearsSapphire 5450 1GB seem to have a built-in adapter (as recommended by AMD) which can display 3 monitors on it's VGA, HDMI and DVI output. This is all confusing because the vendors make it very hard to find this details.