Antminer S21 XP+ Hyd vs Antminer L9 Hyd 2U

We are comparing two devices from Bitmain — models Antminer S21 XP+ Hyd (July 2025) and Antminer L9 Hyd 2U (November 2025). Different algorithms (SHA-256 vs Scrypt) mean different strategies: Antminer S21 XP+ Hyd mines Bitcoin Cash, while Antminer L9 Hyd 2U is focused on Quai. Model Antminer S21 XP+ Hyd from manufacturer Bitmain is a unique solution with 500Th power, available in a single version. Model Antminer L9 Hyd 2U from manufacturer Bitmain is a unique solution with 27Gh power, available in a single version. Model Antminer S21 XP+ Hyd 500Th has a power consumption of 5500 Watts, while Antminer L9 Hyd 2U 27Gh consumes 5670 Watts. To operate these Hydro edition models, you need an external cooling system (cooling tower). In return, you get the ability to place equipment in rooms without powerful ventilation. Compare 2 offers for Bitmain Antminer S21 XP+ Hyd from verified suppliers. Right now, the 500Th configuration can be purchased at the minimum price of 894000 RUB. Compare 3 offers for Bitmain Antminer L9 Hyd 2U from verified suppliers. Right now, the 27Gh configuration can be purchased at the minimum price of 6025 USDT.