The Bitmain Antminer S21j XP Hyd (495 Th) is a Bitmain ASIC miner built for mining Bitcoin on the SHA-256 algorithm. It delivers 495Th/s of performance. Buy it outright and choose to have us host and run it on cheap green power from $0.018/kWh across our global facilities, or have it shipped to your address. You own the hardware and keep 100% of every coin it mines, paid straight to your own wallet.