Stock type: Brand new. Supplied to order from supplier stock; not held locally. Dispatch estimates refer to supplier dispatch, not arrival in South Africa. Confirm allocation and delivery timing before ordering.
Hydro and immersion configurations require compatible external cooling infrastructure. Confirm your cooling setup and what is included before ordering.
Displayed prices include VAT. No future-dated production batch is included in this listing.
Technical specifications
Miner type: Dedicated ASIC cryptocurrency miner
Algorithm: SHA-256
Supported coins: Bitcoin (BTC); compatible SHA-256 pools may also support Bitcoin Cash (BCH) and Bitcoin SV (BSV).
Listed configuration: 227 TH/s
Cooling: Immersion cooling in a compatible dielectric fluid
Power consumption: 3632 W (Normal Energy Mode, 30°C inlet oil)
Energy efficiency: 16 J/TH
Network connection: RJ45 Ethernet, 10/100 Mbps
Electrical supply: Three-phase 380–415 V AC, 50–60 Hz; maximum input current 12 A
Dimensions (L × W × H): 293 × 236 × 364 mm; height includes the handle
Net weight: 17.15 kg
Inlet oil temperature: 30–55°C
Oil flow: 1.0 m³/h
These ratings are for Normal Energy Mode. High Energy Mode has different power and hashrate ratings. Typical hashrate tolerance ±3%; power and efficiency tolerance ±5%.
Requires a compatible immersion tank, dielectric coolant and heat-rejection system. Miner power figures exclude external cooling equipment.
Technical reference: BITMAIN S21 Immersion user guide. Manufacturer and open-hardware references describe technical characteristics; supply condition and warranty remain as stated above.
