Hash Board for Bitmain Antminer S17 Pro Antminer S17 pro hash board is used to repair and replace the faulty S17pro. The hash board has 48 7nm BM1397 ASIC chips, adopts the SHA-256 algorithm, and the hash rate can reach 19Th/s. The working frequency is 600 MHz, the chip power consumption is 800W, and the recommended working voltage is 17-21V. It is an essential spare part for daily maintenance of Bitcoin miner S17 PRO.