I have gotten away with cheap PCIex1 2xSATA2 adapter cards, for roughly 10-15USD at the time of purchase. They did work, but this assumes a motherboard with roo

I have gotten away with cheap PCIex1 2xSATA2 adapter cards, for roughly 10-15USD at the time of purchase. They did work, but this assumes a motherboard with room for lots of PCIe cards. Edit: to clarify on the CPU usage, could a potential build also get away with a cheap AMD Athlon 3000G?