Please note that this is used condition one, but really good quality and running well. Hashrate(Gps,0~±10%): 1.4Gp/s±10% Size(mm,H*W*L): 78*148*158 Algorithm: Cuckatoo32/31 Power consumption(W,0~+10%): 100 Link method: Ethernet Weight(Kg):2.5 Apply to Grin with 1.4GH/s and compatible with MWC. Best working temperature is 30 degrees (Celsius).