Bitmain Antminer A3 Blake(2b) SiaClassic SCC Miner

2-4 Weeks Shipping TimeMinable coins Blake2B: SpaceCash (SPACE), SiaClassic (SCC). Condition - Professionally Refurbished by Bitcoin Merch. 30 Days Bitcoin Merch Warranty included. Unit will have some wear and tear.    Specifications Parameters Value Product model A3 Hash ASIC type BM1720 Hashing algorithm Blake(2b) Total quantity of hash chips 180 chips Total quantity of hash boards 3 boards per miner Total hash rate 815GH/s ±5% DC voltage input 11.6~13V DC current input @12V DC 98.8A +7% DC Power @12V DC input 1186W +7% 220VAC Power @25℃ ,93% conversion efficiency of APW3 1275 W +7% 220VAC Power efficiency @25℃,93% conversion efficiency of APW3  1.56mJ/MH+7% Weight（without package）  4.2 kg / 9.3lb Operation temperature 0-40 ℃ Storage temperature -40 - 85 ℃ Operation humidity 5-95%, prevent condensation Noise 76 dB Networking connection mode Ethernet Cable 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. Size 321 x 125 x 208mm / 12.7 x 5 x 8.2" Inch