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Bitmain Antminer S21 Pro 234 TH/s Used

Antminer S21 Pro

Used Bitmain Antminer S21 Pro miners rated at 234 TH/s. Current supplier availability is offered in a minimum quantity of 500 with 7-day DOA coverage. The product image is representative manufacturer imagery, not a photograph of the exact used units.

HASHRATE
234 TH/s
EFFICIENCY
15 J/TH
POWER
3510 W
COOLING
Air

Representative manufacturer/model image; the exact used units may show cosmetic variation.

AVAILABILITY & FULFILLMENT
AvailabilityIn Stock
ConditionUsed
FulfillmentCurrent supplier-available lot. Minimum order: 500 units.
Warranty7-day DOA coverage.
This unit draws 3510 W continuously. Confirm your facility's power and cooling capacity before ordering.
$1,492.73$6.38 /TH
USD. Standard domestic shipping is included in the displayed price.
Minimum order: 500 units.
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Full specifications

ManufacturerBitmain
ModelAntminer S21 Pro
Algorithm / coinSHA-256 / BTC
Hashrate234 TH/s
Power at wall3510 W
Efficiency15 J/TH (lower is better)
CoolingAir
Noise76 dBA
Input voltage220–277 V AC
PhaseSingle-phase
AC frequency50–60 Hz
Input / current draw20 A
NetworkEthernet
Unit dimensions450 × 219 × 293 mm
Net unit weight18.5 kg
Operating temperature−20–45 °C
Storage temperature−20–70 °C
Operating humidity10–90% RH, non-condensing
Altitude limit≤ 2,000 m
Manufacturer tolerancesHashrate ±3%; power and efficiency ±5%.

Shipping & fulfillment

Current supplier-available lot. Minimum order: 500 units.

Packaged dimensions640 × 350 × 430 mm
Gross shipping weight21.5 kg

Warranty & returns

7-day DOA coverage.

Package & power basis

Used miner with manufacturer-standard integrated power supply basis unless the order confirmation states otherwise.

220–277 V AC, 50–60 Hz, single-phase, 20 A.

Setup prerequisites

  • Dedicated electrical circuit sized for continuous 3510 W draw
  • Adequate facility cooling appropriate for the listed air configuration
  • Wired Ethernet connection and a mining-pool account before first boot

FAQ & support

Electrical, hosting, firmware, and payment questions are covered in the support center — or talk to hardware sales before you order.