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5x Radeon Sapphire r9 280x Vapor x is using 1310w, according to my socket reader - that's After Undervolting them with Trixx from 1200 to 1100.4gb of RAM is enough - you don't really need 8gb
I used this mobo : MSI X79A-GD45 Plus, for PCI-0 I was forced to use powered riser, as otherwise that GPU was either not listing in system, or was crashing within few minutes of cgminer work. All other's I do connected on powered riser's. My mobo has separate power feed for GPU's , but still 5 GPU's on MOBO feed - will reduce your mobo or connector's life. Also you PSU is not even close to provide enough power for 6GPU . Could work with 5, but man you will push it to the limit. And as result can get "jumpy" hashing speed due to lack of power supply to cards
Thanks for the feedback. The PSUs im planning to purchase will together 2600w. each card will use 300w x 6 = 1800w. How would this not be enough of power?
Coins that has floating block value is hard to predict .... Calculators usually using 500k block value. But there is no guarantee, that pool will receive bigger or smaller block's over the time. Which in 8+ weeks can be a great game changer ......
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