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Hey guys quick update - I have been on direct contact with Black Arrow in regards to the recent announced delay. They have not disappeared, taken off with the money ETC. - We will be getting the 25% extra hashrate as promised to all batch one customers (applies only to Batch 1 R17 orders) - I will be working as much as possible with them directly to further resolve this and to hopefully speed up the timeline - I will be hopefully flying out to the UK next week to meet with them all in person, just waiting on when they can have me arrive (they are finally opening their physical London office) I will to my best to bring pictures news and updates away from this meeting. I have been up a very long time last night working with this, and probably will be up late the next few days, so please excuse me if I come off as rude, just want to keep you guys as informed as possible. Either I, DZ or thomas will post updates as we can. Thank you for your patience and continued support of us  |
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I ran 4x 5830 on a 850w with no problem, Only pulled 708w from the wall.
"No way a 800w will handle 4x5830
5830s take up 188w each about, OC'd they can take up 250w
Even 3 will be cutting it close OC'd but will be alright so as long as you aren't running anything else high power.
For 4 I would get at least a 1000w PSU. I'd go with a 1200w just to have more headroom personally."
188w is the MAX TDP, not the actual power consumption. When you downclock the memory, each of my cards consumes only ~175w, leaving ~150 on my 850w to power everything else (more than enough).
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I bought a referb for $90.00 CAD at a comp store and it mines at 200Mh/s OC'ed.
Only good thing is it has only one power connector on it so it works with a smaller PSU.
Thats not a 5870... your thinking a 5770. |
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What brand is the 5850?
XFX reference |
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Im also mining in texas... and I have 0 AC costs. Running my cards in the garage yields ~5c higher temps than running them inside, only added cost is my 4 box fans @ 75w each. My 4 rigs @8.5c/KwH are using ~5.25 in cost per day, while putting out ~2.5g/hash. Each rig is pulling down around 500-750W, Unclocking the memory to ~340 helped cut the machine usage by almost 100W per box.
What is the temp in the garage? 100* F? Yeah Around that. ~38c Ambient temp, and around 45c idle temp on the GPUs. Full load all the cards are around ~79c |
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For those who have PM'ed me, I hit a stupid 10pm/hour limit.
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Ya I suppose that makes more sense. Anyone interested at all? Not a single pm  Sorry for not responding, I hit a stupid 10pm/hour limit. You can PM me your phone # and we could work something out. |
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Looking to buy some dwolla $ with BTC at current market rate. PM me.
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It's amazing that the mining hardware just keeps piling in --
Yes, but than again it is still profitable. I thought mining would be over by now, but it just does not want to give up. My 8 miners acquired 3.5 BTC in the last 22 hours. Even at $10 per BTC, that is $35. My electricity max per box (4 PCs), is roughly $1 for the day, therefore $4 in total. I reckon that a lot of the new miners are just people using equipment that they already had, maybe with a gfx card upgrade or two. They've watched and listened while someone they know has had their computers making money for them, and finally they have decided to give it a go. "Hell, even if it's just a few dollars, a few dollars a day pays for fuel ", they may reason. I seem to have about the same mining income as you -- only I have 12 cards. All pretty efficient ones, too (5800 series). I run a pretty lean ship here. But my electricity cost is around 74 kW/h per day. I keep close tabs on my electricity usage. I regularly write down what the meter on the side of my house reads, so I'm familiar with my normal daily kW/h usage. I also own a Kill-a-Watt meter. I'm including the cost of extra air conditioning. I live in Texas, where we haven't had a cloudy day in weeks, and the temp hits 105 some days.I think some guys are reporting less cost, because they don't (or can't) count the cost of fans, A/C, etc. Anyhow, 74 kW/h comes out to $6.51. And that's a 8.8c per kW/h, which is certainly average if not cheaper than most. And that figure is super-accurate as well. I took my electric bill, subtracted the Statement Fee ($15.00), and divided what was left by the number of kW/h I used -- which equaled 8.8 cents. You're saying $1 each for 4 machines, which have enough graphics cards to produce 3.5 BTC/day? That's 3.3 GH/s. I think everyone needs to go back to the drawing board and double check how much they're REALLY spending on mining. You might be surprised. Matthew Im also mining in texas... and I have 0 AC costs. Running my cards in the garage yields ~5c higher temps than running them inside, only added cost is my 4 box fans @ 75w each. My 4 rigs @8.5c/KwH are using ~5.25 in cost per day, while putting out ~2.5g/hash. Each rig is pulling down around 500-750W, Unclocking the memory to ~340 helped cut the machine usage by almost 100W per box. |
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after rebate =/ sale price. You will be lucky to get those back in 3-4 months, cant return the card, and you initial investment (and subsequently $/Mhash) is higher. |
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850W PSU Sold to the gentlemen from Indonesia.
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Im Located in Texas.
I have 0 problem shipping international, infact most of my sales are international.
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I accept both with no problem.
Eh I the 850w was like 10 bucks more expensive than the 750 so I got the 850w.
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Since the previous thread disappeared I made a new one.
GPUs:
1x 5850 (Includes Original Box) 13BTC Shipped
3x 5830 (Includes Original Box) 9.5BTC Shipped/1, 18.5BTC shipped/2, 27.5BTC shipped/3
PSU
1x Thermaltake Black Widow 850W (includes original box, powered all the above GPU's) 7.5BTC shipped (SOLD)
1x Coolermaster Silent Pro 1000w (80plus gold, includes original box) 11.6BTC shipped
Motherboards (Will be updated)
1x Asus M4N75TD (2x PCIe16x , 2x PCIe 1x) 7.5BTC shipped ( I can include a Sempron 140 for an adiitional 2.5BTC)
AMD Combo:
AMD 1090T
Asus M4A88TD-M/USB3
2x4GB Gskill Sniper DDR3 1600
23BTC shipped
Will be adding some motherboards,hard drives and other computer equipment later on.
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