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Folding question Watt/units - Page 2

post #11 of 50
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Quote:
Originally Posted by ZDngrfld View Post

A single E5 Xeon will pull under 150 watts and will be way more efficient than anything else more than likely.

Good one, now we're talking! i didn't think about the xeons, i will look into that
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post #12 of 50
Quote:
Originally Posted by unseen0 View Post

Good one, now we're talking! i didn't think about the xeons, i will look into that

Xeon's pull squat for PPD, at least when not OC'd, which is hard on non-expensive ones. I have 2 dual Xeon servers and 1 single Xeon server.

One of the duals is pulling 14449 PPD, the other I can't tell because HFM won't work on the old client I have to run because that server is Windows 2000 based. The single is pulling 1518.4 PPD.
post #13 of 50
Quote:
Originally Posted by 47 Knucklehead View Post

Xeon's pull squat for PPD, at least when not OC'd, which is hard on non-expensive ones. I have 2 dual Xeon servers and 1 single Xeon server.

One of the duals is pulling 14449 PPD, the other I can't tell because HFM won't work on the old client I have to run because that server is Windows 2000 based. The single is pulling 1518.4 PPD.
Click on my Live HFM Stats and tell me E5 Xeons pull squat for PPD...
post #14 of 50
Quote:
Originally Posted by ZDngrfld View Post

Click on my Live HFM Stats and tell me E5 Xeons pull squat for PPD...

Newer ones, yes, they pull nice PPDs, but I'm talking about the older ones, which I assume is what the OP is talking about because if he is that concerned about the cost of electricity, I seriously doubt he will have the money to spend on 2650's ($1140 each new, $410 on eBay) and 5460's ($1220 each new).
Edited by 47 Knucklehead - 4/15/13 at 12:50pm
post #15 of 50
Quote:
Originally Posted by 47 Knucklehead View Post

Newer ones, yes, they pull nice ones, but I'm talking about the older ones, which I assume is what the OP is talking about because if he is that concerned about the cost of electricity, I seriously doubt he will have the money to spend on 2650's ($1140 each) and 5460's ($1220 each).
Older ones are less power efficient. Fleabay is your friend.
post #16 of 50
Quote:
Originally Posted by ZDngrfld View Post

Older ones are less power efficient. Fleabay is your friend.

Aye, and MORE power efficient is what the OP is concerned about. So our older E5400's are pretty much a waste for him since he wants energy effecient CPU's.

I'd love to build up a 4P around the 26x0's. They can crank the PPD, but at about $1600 for the used CPU's and another $600-800 for the motherboard (not to mention RAM and PSU), that is a chunk of change that my wife would kill me if I did. biggrin.gif

Nice farm BTW.
post #17 of 50
Quote:
Originally Posted by 47 Knucklehead View Post

Aye, and MORE power efficient is what the OP is concerned about. So our older E5400's are pretty much a waste for him since he wants energy effecient CPU's.

I'd love to build up a 4P around the 26x0's. They can crank the PPD, but at about $1600 for the used CPU's and another $600-800 for the motherboard (not to mention RAM and PSU), that is a chunk of change that my wife would kill me if I did. biggrin.gif

Nice farm BTW.
Exactly, that's why the E5s are a great option if you can afford them and there are some really competitively priced used ones on eBay.
You'd need the E5-46xx for a Intel 4P... More expensive all around. Especially the motherboards compared to the E5-2xxx ones, YIKES! I'm hoping to have a 4P AMD 63xx setup by the end of the year. We'll see though...
post #18 of 50
This is an interesting discussion. I still think the dual CPU system with 250W draw is insane. May be a lot of power to produce, and a lot of money up front, but is by far the best PPD/Watt ratio I have heard of.

I dont know if this is the place to discuss this, maybe you can power the computer directly from the DC source instead of going to DC-AC and then AC-DC. Then you wouldnt loose all that power from converting it, and would be less equipment to buy.(I am not 100% sure about any of this) Like this one rated for 160w-200w peak.

Pico PSUs come to mind
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post #19 of 50
Quote:
Originally Posted by goodtobeking View Post

This is an interesting discussion. I still think the dual CPU system with 250W draw is insane. May be a lot of power to produce, and a lot of money up front, but is by far the best PPD/Watt ratio I have heard of.

I dont know if this is the place to discuss this, maybe you can power the computer directly from the DC source instead of going to DC-AC and then AC-DC. Then you wouldnt loose all that power from converting it, and would be less equipment to buy.(I am not 100% sure about any of this) Like this one rated for 160w-200w peak.

Pico PSUs come to mind

Well, since almost no houses in the US have DC power coming to them from the utility company, I don't know what going from DC to DC will get you. Ultimately you will have to go from AC to DC for 99.99999% of the houses ... unless you plan on running your folding farm off solar panels or wind turbines, which most still produce AC, not DC (sure you could change that, but I don't see anyone spending $40k on a windmill to power a F@H computer and not their house).
post #20 of 50
Most solar solutions I've seen generate DC power and provide power to a DC battery bank and then use an AC inverter. I've only used a DC-DC power supply on oooooooooold itx motherboards, probably 10+ years ago now that I think about it. I'm not sure if anyone has a solution for modern ATX style setups especially with two 8-pin EPS connections.
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