Bitmain Antminer A3 Blake(2b) Algorithm Siacoin 815GH/s w/ Power supply

  Parameters of ANTMINER A3 No. Parameters Value 1 Product model A3 2 Hash ASIC type BM1720 3 Hashing algorithm Blake(2b) 4 Total quantity of hash chips 180 chips 5 Total quantity of hash boards 3 boards per miner 6 Total hash rate 815GH/s±5% 7 DC voltage input 11.60~13.00 V 8 DC current input @12V DC 98.8 A +7% 9 DC Power @12V DC input 1186 W +7% 10 220VAC Power @25℃ ,93% conversion efficiency of APW3 1275 W +7% 11 220VAC Power efficiency @25℃,93% conversion efficiency of APW3  1.56mJ/MH+7% 12 Weight（without package）  4.2 kg 13 Operation temperature 0-40 ℃ 14 Storage temperature -40-85 ℃ 15 Operation humidity 5%RH-95%RH, prevent condensation 16 Noise 76 dB 17 Networking connection mode Ethernet Cable 18 Power connection mode                   All three PCI-E ports are required to power the board. You can use one PSU to power multiple boards, but do not attempt to power one board with two PSUs.We suggest to prevent  the control board to be powered up before hash boards be powered up. 19 Size(Length*Width*Hight,without package) 321mm*125mm*208mm