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Topic: Pci-e 1x vs 16x for GPUs? Help please (Read 2181 times)

sr. member
Activity: 288
Merit: 250
July 12, 2013, 10:49:03 AM
#7
alright thanks. I will be using 30cm powered risers I suppose

If you mine with up to 3 GPUs, you don't need to have a powered risers. Also, if risers are 19cm - they are long enough for most rigs.
full member
Activity: 168
Merit: 100
Want some pi with that?
July 12, 2013, 10:09:21 AM
#6
alright thanks. I will be using 30cm powered risers I suppose
legendary
Activity: 1456
Merit: 1000
July 12, 2013, 01:14:53 AM
#5
Biggest difference will be on risers if u need powered or not.  Also its kind of nice to have a longer one but not a necessary thing.
newbie
Activity: 52
Merit: 0
July 12, 2013, 12:16:13 AM
#4
for bitcoin mining there is no difference.  

Oops, sorry clarification: scrypt mining. Still no difference?

Thanks

Still no difference...
maybe you need to check something about risers and powered risers
full member
Activity: 168
Merit: 100
Want some pi with that?
July 12, 2013, 12:15:08 AM
#3
for bitcoin mining there is no difference.  

Oops, sorry clarification: scrypt mining. Still no difference?

Thanks
newbie
Activity: 21
Merit: 0
July 12, 2013, 12:05:10 AM
#2
for bitcoin mining there is no difference. 
full member
Activity: 168
Merit: 100
Want some pi with that?
July 11, 2013, 11:53:30 PM
#1
I've got almost all of the details for my new rig sorted out except for the motherboard because I have a question regarding it. My understanding is that 1x (pci) means it has one data lane and 16x means it has 16 data lanes. I am using 7950 cards, FYI. When purchasing a motherboard, does it matter if the 7950 cards are attached to a 1x or a 16x pci? What I really mean is: will a 7950 card hooked up to a 1x pci have a lower hash rate than one hooked up to a 16x pci? Or does it not matter which type of pci the cards are attached to?

Thanks
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