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Negative an Athlon 4200+ X2Positive 2 x 7850Updated OP Rig 1 (GPUs) : Sapphire AMD Radeon HD 7970 6GB GDDR5 x 2 (825 KH/s x 2 = 1.65 MH/s) (214 Watts x 2 = 428 Watts)Rig 2 (GPUs) : Sapphire AMD Radeon HD 6870 1GB GDDR5 x 4 (375 KH/s x 4 = 1.5 MH/s) (150 Watts x 4 = 600 Watts)Rig 3 (GPUs) : Sapphire AMD Radeon HD 6990 x 2 and Sapphire AMD Radeon HD 6570 x 1 (910 KH/s x 2 and 120 KH/s x 1 = 1.940 MH/s) (60 Watts x 1 = 6570 300 Watts x 2 = 6990s (with Artic Cooling Accelero Low Watt)Rig 4 (GPUs) : Sapphire AMD Radeon HD 7850 1 GB GDDR5 x 2 (350 KH/s x 2 = 700 KH/s) (130 Watts x 2 = 260 Watts)Rig 1 (CPUs) : AMD Athlon 6400+ X2 3.2 GHz (15 KH/s) (125 watts)Rig 2 (CPUs) : AMD Athlon II X3 445 (17-19 KH/s Locked at 3 Cores) or unlocked into an AMD Phenom II X4 B55 (19-29 KH/s Unlocked at 4 Cores) (95 Watts)Rig 3 (CPUs) : Intel Ivy Bridge 3770k (60 KH/s) (77 watts)Rig 4 (CPUs) : Intel Core2Extreme QX9770 (40 KH/s) (136 watts)Total TDP (Watts): 2081 WattsTotal Hashrate: 5.934 MH/s

./cgminer --scrypt -I 10 --gpu-fan 100 --gpu-engine 900 --gpu-memclock 960 --thread-concurrency 960 --worksize 256 -g 4

"intensity" : "17","vectors" : "1","worksize" : "256","lookup-gap" : "2","thread-concurrency" : "8192",