So I used to mine BTC about 5 years ago and after it got too hard I stopped.

I now want to get back into the game and am looking at mining ethereum , as such I need some help building my rig.

I am looking at either of these three graphics cards

MSI Radeon RX 580 Gaming X, 8GB

Sapphire NITRO+ Radeon RX 580 OC, 8GB

ASUS ROG Strix Radeon RX 580 TOP Edition, 8GB

Which would be best to go for ? which would get me the best hashrate (and what would they be? - I've seen alot of different figures thrown around for these three , hoping somebody here has some solid evidence)

Cheers for the help!

Also looking at installing ethOS - would that support being able to swap between a more valuable coin?

Also what else do I need to think about / get for the rig?

Cheers