The Bitmain Antminer S23 (318Th) is a purpose-built ASIC mining device released in January 2026 for mining SHA-256-based cryptocurrencies, most notably Bitcoin (BTC). It provides a hashrate of 318 terahashes per second, while consuming 3498 watts of power. This results in an energy efficiency of 11 joules per terahash, a characteristic that situates the S23 in the high-efficiency class of modern ASIC miners.