Just quote from S5 Thread
you can search in aliexpress for new unit in around $450
Aliexpress is escrow so you could argue it if you want and possibly get them to knock off some money or let ali decide what you actually spend.you can search in aliexpress for new unit in around $450
Just unboxed a couple S5's I bought a while back and found one of them had obviously been used excessively. It has soot all over the heatsink. I have submitted a WTF email to Bitmain...I guess they really are going downhill 
