current cgminer stats at time of posting. (trying new clock settings)
cgminer version 4.3.3 - Started: [2014-05-17 13:26:03]
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(5s):714.8G (1m):1.353T (5m):1.415T (15m):1.439T (avg):1.413Th/s
A:4907870 R:6482 HW:669 WU:19749.8/m | ST: 5 SS: 0 NB: 36 LW: 5239295 GF: 0 RF: 0
Connected to us.ozco.in diff 596 with stratum as user quiveringgibbage.larry
Block: 52bee94b... Diff:8.85G Started: [17:13:44] Best share: 2.79M
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[U]SB management [P]ool management [S]ettings [D]isplay options [Q]uit
0: HFB AL : 550MHz 79C 10% 0.80V | 331.2G / 394.1Gh/s WU:5506.0/m A:1376110 R:1765 HW:262
1: HFB KEN : 671MHz 86C 92% 0.78V | 155.6G / 506.5Gh/s WU:7075.9/m A:1739819 R:1774 HW:200
2: HFB ROBERTA : 671MHz 85C 92% 0.79V | 450.7G / 513.1Gh/s WU:7167.9/m A:1791941 R:2943 HW:207
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[2014-05-17 17:36:08] Accepted 0a6814b5 Diff 6.3K/596 HFB 2 pool 0
[2014-05-17 17:36:12] Accepted 3cac38db Diff 1.08K/596 HFB 2 pool 0
What is the minimal power supply power needed for one unit ?
well, seeing the power meter in the pic shows 1102w for KEN and ROBERTA, i'd say you need at at lease 650W PSU per unit. You could prolly get away with 550W if you didn't OC (like AL, only pulling 417W by it self).
Cheers,
QG