Yes I do have 2 VBIOS versions for the MSI 480.
OC+Memory timings, and a power safer version.
I am at work right now, but I will upload the VBIOS later this day. 
Nice to hear that… i already try modify this bios by myself but it not stable when running. I have max runtime for 20h only.
What the heck, work suxx anyway. 
Just fixed the files for you. The files are marked with MSI RX480 4GB Gaming X.
There is the original bios, the PS power safe version with slight underclock, but still 1500strap timing, as well as reduced power draw.
And there is the OC overclock version, with 1500strap timing and a very light overclocking as the GPU ist quite fast for the stock settings.
I am not quite sure how stable the power safe version is, as the ratings are reduced quite a lot.
https://anorak.tech/t/anoraks-vbios-collection-optimized-settings-for-performance-power-saving
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And that did version one should see these newer cards? Nice. How could I tell which chips I have? Visual inspection?
Use GPU-Z. This tool shows some specs about your cards.
Thanks man. My cards are 8GB but I will look at your roms for reference.
I managed to squeeze around 30 watts with 10 sols reduction per GPU:
- copy straps 1500 → 1625 → 1750 → 2000
- raise memory to 2100 and lower mV to 920
- editing GPU MHz and lowering mV
Here is my rom http://wikisend.com/download/971854/1184-2100.rom
I am still seeing some memory errors here and there I will try raising mv to 950 and report later.
1500 straps @2100 are too tight
Try 1900@960mV
1500 to 1625
1625 to 1750
1750 to 2000
What card are you referring to? Because RX480 benefits by upping the Memory MHz and decreasing GPU MHz.
Most amd 480 can be increased to 2250, but anything more than 2100 is not good for me.
ASUS RX 480 STRIX OC 8 GB is expensive and doesn’t do well with OC.
Anyone 
if EC errors occours, try to downclock or relax timings
Yes 1500 strap for 2000MHZ and more are pretty tight.
10 of my 12 RX470 can run those settings without EC errors.
Above 2050MHz the count up errors.
As the Sol/s gain is not that big on modifying the straps + clock on memory, I just run them at stock 1750MHz with the 1500 strap.
@AnorakSupra Please add mod bios RX 480 Red Devil 8GB
Original Bios here : VGA Bios Collection: Powercolor RX 480 8 GB | TechPowerUp
Edit :
GPU Clock : 1330 MHz
Memory Clock : 2000 MHz
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I guess mine was elpida. That explains it.
Added VBIOS for Powercolor RX480 Red Devil 8GB
Original
Memshift: 1500 strap @ 1625, 1750, 2000MHz, 1375 strap @ 1500 MHz
Memshift + OC: 1500 strap @ 1625, 1750, 2000MHz, 1375 strap @ 1500 MHz + 30 MHz core clock + 10 watt TDP
Added VBIOS for Sapphire RX470 Nitro+ 4GB Elpedia memory
Be careful now Claymore is pumping close to card TDP
M8 can u pls try out claymore v 7.0 on your card. Would like to know your hashrate and consumption. And what settings you used. Getting 146 sol per card atm and 800 watt from the wall for the whole rig.
It jumps from 130-160w per GPU roughly
I am on custom straps m8. Getting 800 from the wall for the whole rig. So 750/6=125w roughly. I think it’s a good one. Using -10 offset
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Im talking about Claymore v7.0 btw Claymore 6.0 wasn’t this intense.
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