Replacement BM1744 BM1744AB 1744BB ASIC chip for Bitmain Antminer Z11 Z11j Z11e miner

Help repair your miner by replacing your old, non-working BM1744 ASIC chip; it is easy to use and durable and a great repair part for your miner. A single Z11 hash board is equipped with 3 BM1744 12nm ASIC chips developed by Bitmain. When one fails, the hash rate of the Z11 miners will not reach the normal level, which will affect the operation of the miners. We sell ASIC chips of this quality; welcome to contact sales for details.