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Bitmain Antminer S21 Pro 234 TH/s Used

Bitmain Antminer S21 Pro 234 TH/s Used

Model Antminer S21 Pro
SKUBLO-E2M-R07-V1-USED-USA

Used Bitmain Antminer S21 Pro miners rated at 234 TH/s. 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
AvailabilityNot available to order online
ConditionUsed
FulfillmentCurrent supplier-available lot.
CoverageAll sales are final unless the product page or written order terms expressly state otherwise. Documented transit damage or DOA must be reported within 7 calendar days of confirmed delivery.
This unit draws 3510 W continuously. Confirm your facility's power and cooling capacity before ordering.

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.

BlokForge ships from Mesa, Arizona. Some orders may ship from a different fulfillment location.

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

Warranty & returns

All sales are final unless the product page or written order terms expressly state otherwise. Documented transit damage or DOA must be reported within 7 calendar days of confirmed delivery. BlokForge is the first point of contact and coordinates covered claims. The remedy order is repair, equivalent replacement, then credit or refund when repair or replacement is unavailable or where required by law.

Used hardware: final sale except for the stated transit-damage and DOA coverage. No discretionary return for buyer's remorse, profitability, compatibility, facility fit, or changed plans.

Additional manufacturer warranty: No additional manufacturer warranty is represented for this offer.

Delivered theft or non-receipt requires a police report or police case/report number, the applicable carrier process, and reasonable supporting evidence; a report does not guarantee a remedy. Read the complete policy.

Package & power basis

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.