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$2200 to spend on mining

post #1 of 64
Thread Starter 
Hey guys. I just fell into a little bit of money. So I figured to help "stabilize" myself a little bit, I'd build up a dedicated mining rig or two.

Will the following equipment work okay to power 4 GPUs each?

Gigabyte 965p DS3 motherboard
Core 2 Duo @ 2.33GHz
2-4GB DDR2

Gigabyte K8N Pro SLI
Athlon64 3800+
2GB RAM

Both boards have 4 PCIe slots. I'm just worried about the CPU's and RAM being a bottleneck.

I do use the guiminer in Windows 7 (for LTC, not BTC). If these will work fine for guiminer, which my current mining rig with 3 cards....it LOOKS like they will be enough (it's not using much RAM or CPU to mine), then that means I can spend my money on 8x 7950's, 2x PSU's, and 8 PCIe ribbon cables, and I'm done.

Thoughts or other input on how you'd spend $2200 on mining if you had the above equipment?

Also, how can I set this up in my little 1 BR apartment......so that it doesn't get too hot in here?
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post #2 of 64
It will be fine I suppose. It is pretty much just GPU bound.
 
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post #3 of 64
Thread Starter 
I'm also trying to figure out what the best cards to buy would be. I assume 7950's. However, I'm a little concerned about power draw (don't want to pop the breakers). Due to that, I was almost thinking 2x 7990's instead of the 7950's. Even though I could buy 8x 7950's for the same price. I'm more concerned about popping the breakers.

Thoughts?

Any help on how to spend $2200 ish on a mining farm?
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post #4 of 64
1- Are you doing bitcoin or litecoin? If bitcoin, you can buy dedicated ASIC miners that will kick computer hardware's butt.

2- Mining =/= stable income tongue.gif
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post #5 of 64
Thread Starter 
Quote:
Originally Posted by dmanstasiu View Post

1- Are you doing bitcoin or litecoin? If bitcoin, you can buy dedicated ASIC miners that will kick computer hardware's butt.

2- Mining =/= stable income tongue.gif

1. LTC. ASIC rigs still haven't shipped according to what I've been reading, and they've been taking pre orders since Feb. LTC, I only have to worry about memory overclocks, which does help alleviate some of the heat output and power draw of course.

2. Yes, I know. But any extra income = better than NO extra income.

So yeah, just trying to figure out the best way to spend my money, so I can get the most hashrate, with the least amount of power draw at the wall, so I don't pop breakers.

Plus, ASIC rigs are cheating. I'd much rather BUILD something cool.
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post #6 of 64
Quote:
Originally Posted by pioneerisloud View Post

Quote:
Originally Posted by dmanstasiu View Post

1- Are you doing bitcoin or litecoin? If bitcoin, you can buy dedicated ASIC miners that will kick computer hardware's butt.

2- Mining =/= stable income tongue.gif

1. LTC. ASIC rigs still haven't shipped according to what I've been reading, and they've been taking pre orders since Feb. LTC, I only have to worry about memory overclocks, which does help alleviate some of the heat output and power draw of course.

2. Yes, I know. But any extra income = better than NO extra income.

So yeah, just trying to figure out the best way to spend my money, so I can get the most hashrate, with the least amount of power draw at the wall, so I don't pop breakers.

Plus, ASIC rigs are cheating. I'd much rather BUILD something cool.

Yeah 7950s are the best bang for buck in that scenario.

1.a- Are you going to be overclocking them? 1.b air or water cooling?

2. ASIC rigs aren't cheating, it's called optimizing tongue.gif

3. i'd go with 4x 7950s, a cheap amd quad-core and call it a day.

Things to double-check: make sure your PSU can supply enough amperage on the 12V rail for 4x7950s.
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post #7 of 64
Thread Starter 
Quote:
Originally Posted by dmanstasiu View Post

Quote:
Originally Posted by pioneerisloud View Post

Quote:
Originally Posted by dmanstasiu View Post

1- Are you doing bitcoin or litecoin? If bitcoin, you can buy dedicated ASIC miners that will kick computer hardware's butt.

2- Mining =/= stable income tongue.gif

1. LTC. ASIC rigs still haven't shipped according to what I've been reading, and they've been taking pre orders since Feb. LTC, I only have to worry about memory overclocks, which does help alleviate some of the heat output and power draw of course.

2. Yes, I know. But any extra income = better than NO extra income.

So yeah, just trying to figure out the best way to spend my money, so I can get the most hashrate, with the least amount of power draw at the wall, so I don't pop breakers.

Plus, ASIC rigs are cheating. I'd much rather BUILD something cool.

Yeah 7950s are the best bang for buck in that scenario.

1.a- Are you going to be overclocking them? 1.b air or water cooling?

2. ASIC rigs aren't cheating, it's called optimizing tongue.gif

3. i'd go with 4x 7950s, a cheap amd quad-core and call it a day.

Things to double-check: make sure your PSU can supply enough amperage on the 12V rail for 4x7950s.

1. Yes, on air (whatever cooler they have). Again, only will be worried about memory overclocks though, so I can undervolt.

2. I'd rather build my own rigs.

3. What about two 7990's? Wouldn't that be less power draw? Then I could add a third, maybe even a 4th in later? I know 7950's are the best bang for your buck for mining, but I want to get the MOST hashrate I can, with the least power draw possible, so I don't pop the breaker.

Keep in mind, I'm in a 1BR apartment. I only have the one outlet to use for this (in my kitchen). The rest of the apartment, there's just no room to put a mining rig.

EDIT:
And accordnig to my current rig, a single core and 2GB of RAM should hypothetically be enough. I'm mining on 3 GPU's right now (7970, 7770, and 7750), and I'm seeing 29% RAM usage and 10% CPU usage with an i3 and 8GB of RAM. So 2GB and a single core should be fine, no?
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post #8 of 64
Yeah it should, I just didn't know those were available any more. Repurpose an old sempron or something

2x 7990s vs 4x 7950s:
This has always been true in gaming, and I assume it will be the same for mining (Complete guess though, mind you): The 7950s will always outperform, it terms of performance and price. Though the 7990s may be the ideal solution if you're looking to run 4 cards on a single system.

Edit: that 1BR apartment is going to get stupid hot
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post #9 of 64
Thread Starter 
Just trying to figure out the best way to maximize my hashrate, with only the one electrical outlet, lol.
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post #10 of 64
I read somewhere the LTC ASIC's aren't even possible, just because of LTC's mining methods.

But if you can find 5970's used for around $200 or so those are good investments too. I had one that did around 750 MH/s on stock, didn't attempt to overclock. I eventually sold it though due to heat and power consumption (pulled like 250W!)

But yeah, if you don't mind power consumption, noise and heat, 5970's could be the way to go.

As for ASICs, they seem to be developing still, lots of scam companies, and the companies that are "shipping" are all shady too it seems.

But a 7990 does around 1.2GH/s for BTC, not sure about Litecoins. I've heard 7950's do around 600MH/s.
4x 7950= 2.4 GH/s
2x 7990=2.4 GH/s

It honestly doesn't really matter, 7950's would be cheaper, but higher power consumption. Your choice really.
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HTPC
(11 items)
 
750TIMINER2
(15 items)
 
CPUMotherboardGraphicsRAM
i7 2600k ASUS Sabertooth Z77 Sapphire 290 Tri-x 4GB OC CORSAIR Vengeance 16GB 
Hard DriveHard DriveHard DriveOptical Drive
Intel 520 120 GB SSD Seagate Barracuda 1 TB 250GB Samsung 840 EVO SSD LG Blu-Ray Lightscribe Combo Burner 
CoolingOSMonitorPower
Swiftech H320 (CPU only) Windows 7 Ultimate 27" Shimian 1440p Monitor 1000W Corsair PSU 
CaseMouseMouse PadAudio
800D custom painted and fixed up! 15 year old Microsoft Custom Minecraft Mousepad Logitech 2.1 Speakers (wub wubbity wub wub) 
CPUMotherboardGraphicsRAM
i5 3570k MSI Z68 MA-ED55 MSI GTX 750 Ti 6GB Corsair XMP 
Hard DriveOptical DriveCoolingOS
500GB WD Blue ASUS DVD Burner Hyper 212+ Windows 8.1 
PowerCase
Rosewill HIVE 750W Rosewill Blackbone 
CPUMotherboardGraphicsRAM
AMD Sempron 145 Gigabyte 990FXA-UD3 4x MSI GTX 750 Ti 6 GB Corsair XMP 
Hard DriveCoolingOSMonitor
500 GB Seagate Barracuda Stock Windows 7 LG 20" 900p display 
KeyboardPowerCaseMouse
Dell generic Rosewill HIVE 750W Rosewill Thor V2 Dell generic 
Other
4x USB Powered Risers 
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