Tester 3, all plugged into PC via single Plugable 7-port hub, volt setting 7
[2019-04-18 07:31:24.324]
Summary of runtime statistics:
[2019-04-18 07:31:24.324] Started at [2019-04-17 10:22:34.010]
[2019-04-18 07:31:24.324] Pool: stratum+tcp://pool.ckpool.org:3333
[2019-04-18 07:31:24.324] Runtime: 21 hrs : 8 mins : 50 secs
[2019-04-18 07:31:24.324] Average hashrate: 3346651.5 Mhash/s
[2019-04-18 07:31:24.324] Solved blocks: 0
[2019-04-18 07:31:24.324] Best share difficulty: 74.5M
[2019-04-18 07:31:24.324] Share submissions: 30384
[2019-04-18 07:31:24.324] Accepted shares: 30323
[2019-04-18 07:31:24.324] Rejected shares: 61
[2019-04-18 07:31:24.324] Accepted difficulty shares: 57910187
[2019-04-18 07:31:24.324] Rejected difficulty shares: 45241
[2019-04-18 07:31:24.324] Reject ratio: 0.2%
[2019-04-18 07:31:24.324] Hardware errors: 12345
[2019-04-18 07:31:24.324] Utility (accepted shares / min): 23.90/min
[2019-04-18 07:31:24.324] Work Utility (diff1 shares solved / min): 45287.42/min
[2019-04-18 07:31:24.324] Stale submissions discarded due to new blocks: 0
[2019-04-18 07:31:24.324] Unable to get work from server occasions: 0
[2019-04-18 07:31:24.324] Work items generated locally: 53185659
[2019-04-18 07:31:24.324] Submitting work remotely delay occasions: 0
[2019-04-18 07:31:24.324] New blocks detected on network: 123
[2019-04-18 07:31:24.324] Summary of per device statistics:
[2019-04-18 07:31:24.324] GSH 0 (5s):1.023T (avg):1.076Th/s | A:18679068 R:16773 HW:3506 WU:145
[2019-04-18 07:31:24.324] GSH 1 (5s):1.151T (avg):1.177Th/s | A:20294999 R:13634 HW:5142 WU:159
[2019-04-18 07:31:24.324] GSH 2 (5s):1.095T (avg):1.092Th/s | A:18936120 R:14834 HW:3697 WU:147
Tester 4, all plugged directly into PC USB ports, volt setting 7
Summary of runtime statistics:
[2019-04-18 11:26:52.780] Started at [2019-04-17 16:46:25.805]
[2019-04-18 11:26:52.780] Pool: stratum+tcp://pool.ckpool.org:3333
[2019-04-18 11:26:52.780] Runtime: 18 hrs : 40 mins : 26 secs
[2019-04-18 11:26:52.780] Average hashrate: 3348909.2 Mhash/s
[2019-04-18 11:26:52.780] Solved blocks: 0
[2019-04-18 11:26:52.780] Best share difficulty: 37.7M
[2019-04-18 11:26:52.780] Share submissions: 24117
[2019-04-18 11:26:52.780] Accepted shares: 24073
[2019-04-18 11:26:52.780] Rejected shares: 44
[2019-04-18 11:26:52.780] Accepted difficulty shares: 51235035
[2019-04-18 11:26:52.780] Rejected difficulty shares: 26090
[2019-04-18 11:26:52.780] Reject ratio: 0.2%
[2019-04-18 11:26:52.780] Hardware errors: 10830
[2019-04-18 11:26:52.780] Utility (accepted shares / min): 21.49/min
[2019-04-18 11:26:52.780] Work Utility (diff1 shares solved / min): 45465.61/min
[2019-04-18 11:26:52.780] Stale submissions discarded due to new blocks: 0
[2019-04-18 11:26:52.780] Unable to get work from server occasions: 0
[2019-04-18 11:26:52.780] Work items generated locally: 47074080
[2019-04-18 11:26:52.780] Submitting work remotely delay occasions: 0
[2019-04-18 11:26:52.780] New blocks detected on network: 111
[2019-04-18 11:26:52.780] Summary of per device statistics:
[2019-04-18 11:26:52.780] GSH 0 (5s):1.158T (avg):1.105Th/s | A:16758662 R:7586 HW:3354 WU:1500
[2019-04-18 11:26:52.780] GSH 1 (5s):1.097T (avg):1.146Th/s | A:17689480 R:10536 HW:4074 WU:155
[2019-04-18 11:26:52.780] GSH 2 (5s):1.074T (avg):1.097Th/s | A:16786893 R:7968 HW:3402 WU:1490
I'm re-running them now, all still at V7 and plugged into Tester 3 via a single GS 7-port hub. Should let us know what's the practical max.