The ECS KAM1-I AM1 mini-ITX motherboard and the AMD Athlon 5150 AM1 processor cost me $50 US in 2015. I paid $25 US for the motherboard and $25 US for the processor. A nice little combo for a Linux box to back up my FreeNAS file server.
I got the ASRock Fatal1ty B450 Gaming-ITX/AC AM4 motherboard for $100 US as a replacement. The last cheap B450 AM4 mini-ITX motherboard available in today’s market.
I’ll explain the old AM1 motherboard and the new AM4 motherboard.
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