- Jun 7, 2017
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I have an Intel DH61AG thin-mini ITX motherboard and I am trying to decide on what graphics card to use. It only has a PCI-E x4 slot which by the product documentation and a forum post from an Intel employee, it is only capable of delivering up to 25W.
I've read many forum posts from people saying that plugging a greater wattage card into a lower wattage slot won't work or that you'll need to use additional power. I've also seen many forum posts of people saying that you can plug the card in, and that 25W only applies to add-on cards, but graphics cards will negotiate with the motherboard for higher wattage. These two statements are obviously contradictory of eachother.
The card I'm eyeing doesn't use external power, so I can't plug anything into it. Thin-mini itx motherboards also have unconventional power supplies. They are external to the chassis and plug into the back of the motherboard. They do not use a standard ATX/SFX PSU, so I can't use a powered riser either.
So anyway, the forums here and elsewhere have a lot of theoretical discussion, but I haven't seen anyone try it and say "Yes it works" or "No, it doesn't work." Does anyone have any direct, first-hand experience of whether or not an x4 slot can pull 75W? You have tried it and you know whether or not it will work? My other choice is a lower performing 30W card. Would this one work? Again, please indicate whether or not you have tried it yourself and know it to work or not work.
I've read many forum posts from people saying that plugging a greater wattage card into a lower wattage slot won't work or that you'll need to use additional power. I've also seen many forum posts of people saying that you can plug the card in, and that 25W only applies to add-on cards, but graphics cards will negotiate with the motherboard for higher wattage. These two statements are obviously contradictory of eachother.
The card I'm eyeing doesn't use external power, so I can't plug anything into it. Thin-mini itx motherboards also have unconventional power supplies. They are external to the chassis and plug into the back of the motherboard. They do not use a standard ATX/SFX PSU, so I can't use a powered riser either.
So anyway, the forums here and elsewhere have a lot of theoretical discussion, but I haven't seen anyone try it and say "Yes it works" or "No, it doesn't work." Does anyone have any direct, first-hand experience of whether or not an x4 slot can pull 75W? You have tried it and you know whether or not it will work? My other choice is a lower performing 30W card. Would this one work? Again, please indicate whether or not you have tried it yourself and know it to work or not work.
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