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crazyates
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September 17, 2012, 05:14:59 PM |
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I can't see anyone buying this. First, who's building new GPU farms from scratch anymore? Second, if you are, 2 1KW PSUs would probably be cheaper.
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Cablez
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September 17, 2012, 06:19:44 PM |
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That and the sheer number of 12v rails to contend with is troublesome.
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Tired of substandard power distribution in your ASIC setup??? Chris' Custom Cablez will get you sorted out right! No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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crazyates
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September 17, 2012, 06:30:09 PM |
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That and the sheer number of 12v rails to contend with is troublesome.
8 rails at only 20A each? You can barely run one GPU on each rail! |
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Desolator
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September 18, 2012, 03:00:11 AM |
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At least it's modular  If you just thought "really? REALLY?" I have a 900W PSU, silver certified, nice brand name, 4 6-pin, and it's not modular. It has black mesh wrapping so it looks like one of the sentinels from the matrix lol. |
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Kaliecious
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September 18, 2012, 04:27:35 AM |
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The PSU would not be able to handle all 16 connectors in use, Maybe for smaller single GPU cards but then most power supplies right now can handle 5-6. I only mention this cause I had 3 6990 in a water cooled system and I blew a capacitors in both a 1500 and 1600w power supply that have thier own dedicated 20a plug I evently went back to air cool and had to splitt the PSU's and built 2 seperate systems. So unfortunantly as the ole saying goes in some situations bigger is not better.
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crazyates
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September 18, 2012, 04:51:38 AM |
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If you had a MB that could run 8 5830s, this might work. A 20A rail dedicated for each 5830 might work.
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superfastkyle
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September 18, 2012, 08:00:18 AM |
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20amp rail is plenty for most everything but a 5970/6990/7970 in fact I have a power supply with 18amp rails that runs 5870's fine. You could run a 5970 or 7970 undervolted probably even
5850/5830 are about 155w at stock speeds
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Cablez
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September 18, 2012, 01:07:58 PM |
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Whoa!! Why have I not heard anything about that expander before??  That is too cool. |
Tired of substandard power distribution in your ASIC setup??? Chris' Custom Cablez will get you sorted out right! No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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philips
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September 18, 2012, 01:58:00 PM |
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crazyates
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September 18, 2012, 03:56:33 PM |
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I've never heard of that!! Google Translate calls it the Asus ROG Xpander. Only works with their Asus Rampage III Extreme motherboard. Still, that's pretty crazy tho. |
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Kaliecious
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September 18, 2012, 07:14:54 PM |
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that board would have been killer a year and a half ago, lay it out on a table slap 8 cards in there and be ready to go. lol my aw dropped when I saw it doing some research for better settings and overclocking using voltage and some how stumbled upon it on fortunantly you could only do 4 of thim with this but keep them nicely seperated.
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BR0KK
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September 18, 2012, 07:29:07 PM |
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You should be able to run that rog expander on any board. It's a simple nf200 chip connected via pice.
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ssateneth
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September 21, 2012, 01:00:27 AM |
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16 pci-e connectors, but 8? rails. No thanks. You'll probably be lucky to pull 800 watts from that thing without forcing a shutdown because of over current protection. Single rail forever.
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crazyates
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September 21, 2012, 02:00:45 AM |
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16 pci-e connectors, but 8? rails. No thanks. You'll probably be lucky to pull 800 watts from that thing without forcing a shutdown because of over current protection. Single rail forever.
While 8 rails at 20A each =/= 160A, it does say it's rated for 124A between all the rail, so that's ~1500W, not 800. |
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Shadow383 (OP)
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September 21, 2012, 08:02:49 AM |
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16 pci-e connectors, but 8? rails. No thanks. You'll probably be lucky to pull 800 watts from that thing without forcing a shutdown because of over current protection. Single rail forever.
While 8 rails at 20A each =/= 160A, it does say it's rated for 124A between all the rail, so that's ~1500W, not 800. It also says on another site that you can switch it to single-rail mode (which seems odd) and that it does 1650W on a single rail if given 230VAC. |
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Cablez
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September 21, 2012, 01:20:17 PM |
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It also says on another site that you can switch it to single-rail mode (which seems odd) and that it does 1650W on a single rail if given 230VAC.
Linky........? |
Tired of substandard power distribution in your ASIC setup??? Chris' Custom Cablez will get you sorted out right! No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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crazyates
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September 21, 2012, 02:12:45 PM |
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It also says on another site that you can switch it to single-rail mode (which seems odd) and that it does 1650W on a single rail if given 230VAC.
Linky........? Holy crap I missed that. I wonder if they just link all the rails somehow? Even in the link in the OP: Single OR multiple 12V Rails: No longer will you have to toil over the decision of choosing a single or multiple rail PSU; the NEX1500 Classified lets you switch modes as you please. |
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