I do not mention profit because many things can affect it.
These are hardware until now I use for mining on ETH:
- MB Asrock Pro BTC R2
- Processor G series
- RAM 4GB Kingston
- USB Riser Ver008C
- PSUs Corsair 80+ of Gold
- GPUs Rx Series (480,580 8GB), R9 series (290,390) are secondhands.
- Software miners (claymore)