For a MSI ITX 560 Areo 4GB with Hynix memory
https://drive.google.com/open?id=1N9aE4jBraopVhCf299IOMLsRTqgvtIlY

Modded strap I got off a forum, The strat is from 1750 to 2250
I have two of these cards now running at 2200 mem, core -7.5%  Pulls 440H crypto and 16H on Eth.
Stock Voltages and only slightly upped fans.

MSI 560 4GB ITX Hynix
Strap 999000000000000022AA9C0073E66C448055131243CFB60D00408400750514204A8900A00200000 014112E34DB324418
Used for 1750 to 2250.
Core -7.5%
Mem 2200

Eth 16Mh
Cryptonight 440H


Cant find who posted the handmade straps, but it works an absolute treat.

ETH/Lib 12Mh / 30MH.
XMR 330H

Nicehash, so latest claymore

I have 2 x MIS 560s 4Gb Hynix.
No additional PCIe power required on these, which is often handy but limits the cards.
1500 to 1750 strap. Running at 1750 memory. 1500 timings don't work above 1750, Can get to 2000 mem at 1750 timings, but only just gets back up to the same performance as the 1750mem running at 1500 strap, but with more W and heat.   

Core at stock (make no difference) BlockChain drivers, win 10 64,

My money is on your HBM temperatures being your issue.

If HBM gets above 55C your performance gets hammered. I'm running in CAST with 1300soc timings on two different rigs, as my vegas just would not play nicely together (one card just will not work in any system with any other card in it!!)

I can see on the weaker water cooled rig that if the HBM/Core gets to 55C the performance drops from +2000hs to 17/1800 area. 

Do you know what temps your running? Are the higher performance cards cooler by some chance?

Also well done on getting all cards at over 1100 memory timings.

Really?
My two vega 64, picked up for £460 each +200 for water blocks onto the existing loops, mine 2100H EACH on Crypto (CASTXMR) at 160W each.
Tell me your cards can do 4kh at 320W?
Which is pulling £450 per month on Nicehash at the moment.

By your calculations hes fine.

There are three +ve lines in a 6/8 pin PCI-e power line.

10A - 12v = 120W
120W x 3 - 360W

I tried this on a powercolor VEGA 64.
Getting a stable 2050Hs for the last 12 hours now, which is more profitable than the 44.2Mh this card does on ETH.  Its submitting and being accepted at Nicehash just fine.

Settings
Core -30% (1150mhz) (no difference in hash all the way upto 1800mhz)
Mem 1100
Power limit +50%

Strings used (after the usual site and wallet) -G 1 -I 7
intensity at 7-9 are all the same hash rates so left at 7. I didn't need the --nicehash addon to make this work.

The system has another card as GPU0 which is mining ETH/LCR on the NiceHash Legacy software just fine alongside this.

HWinfo says about 120W core. Which is the same setting and power usage as I use on Claymore for 44.2Mhs on ETH.
The card is water-cooled with a EK full cover and running at 45C.

Now to see how stable this is over the next month or so.