Sapphire 11265-01-20G Radeon NITRO+ Rx 580 8GB GDDR5 Dual HDMI/ DVI-D/ Dual DP with Backplate (UEFI) PCI-E Graphics Card

I have a custom BIOS on all of them (18). I forgot what memory type Samsung / Micron. Memory is at 2200 mhz or 2250 mhz. I think 2200 is more stable. Before Claymore stopped I could get up to 33 mh/s with them. But I read Claymore was exaggerating.

I run my batch file as administrator.
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REM
REM Example bat file for starting PhoenixMiner.exe to mine ETH
REM

setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100

REM IMPORTANT: Replace the ETH address with your own ETH wallet address in the -wal option (Rig001 is the name of the rig)
C:\Users\me\Desktop\PhoenixMiner_5.4c_Windows\PhoenixMiner.exe -pool us1.ethermine.org:4444 -pool2 eu1.ethermine.org:4444 -wal mywallet.myrig -rxboost 1 -straps 1
pause