What OS are you running? If windows then they will fit easily, because you can go very low on wattage with right WattTool profile. Important information will be your current energy consumption.
Win10
Well, memory strap modification will be needed if you want to achive lets say 29Mh/s ETH
I've modded the straps to achieve this already, just unsure how to reduce power usage. Watt tool does not let me edit this model.