The Most Cost Effective Mining Rig?

[CYPER]

I am one step away from buying the rig, but just want confirmation I haven't missed anything:

4x XFX 5870
GIGABYTE GA-770T-D3L (has 1 x16 slot and 4 x1 slots)
AMD Sempron 140 2.7GHz AM3 (do you think it might cause 100% CPU usage under Linux?)
Kingston KVR1333D3N9/2G ValueRAM / 2GB 1333MHz
Corsair HX850 - 2 different reviews has confirmed it can output 1000W if needed.
4x PCI Express Riser Card Flexible Cable Adapter PCIe x1
2 x Coolermaster SickleFLow Blue LED Quiet Case Fan 120mm  (will be positioned on top of the cards for additional airflow)
8GB USB Flash Drive to install Ubuntu or LinuxCoin on
USB Wifi Dongle (not using wired connection)


No case, but DIY project
No monitor, mouse or keyboard needed

I would expect 1.6Ghash/s from it when overclocked = 180W max for each card

Any suggestions or comments are more than welcome.

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[Hollie]

Nice rig.

How much does that cost to build?

[typhon]

I run a very similar system w/ 3x Sapphire 5830s (haven't gone the riser route to fit a 4th).

More project right now is to build out expansion slot rigging, there's a lot of cool ideas in the Miners Forum.

[CYPER]

Nice rig.

How much does that cost to build?

Final Rig:
Gigabyte GA-770T-D3L
AMD Athlon II X2 250
4x 1GB XFX HD 5870
Corsair HX850W
Kingston 2GB 1333MHz DDR3 RAM KVR1333D3N9/2G
3x 120mm Coolermaster SickleFLow Blue LED Quiet Case Fan
8GB Kingston DTIG3/8GB USB DataTraveller G3, USB2 Pen Drive
TP-Link TL-WN821N Wireless N USB
3x Riser 1x cards
1x Riser x16


I expect at least 1.6Ghash/s

[seeARMS @ Bit-Bank]

Looks great.

[KeepingScore]

nice!

[CYPER]

Btw I just bought it - 1 hour ago.

Now I need to be patient and wait for the components to arrive and then I can proceed to assemble it.
I'll report back if there are any troubles