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Bitmain Antminer T21 190 TH/s Used

Bitmain Antminer T21 190 TH/s Used

Antminer T21

Used Bitmain Antminer T21 miners rated at 190 TH/s. The 924-unit lot is offered in a minimum quantity of 100, tested before delivery, with no DOA coverage. The product image is representative manufacturer imagery, not a photograph of the exact used units.

HASHRATE
190 TH/s
EFFICIENCY
19 J/TH
POWER
3610 W
COOLING
Air

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

AVAILABILITY & FULFILLMENT
AvailabilityIn Stock
ConditionUsed
FulfillmentCurrent 924-unit lot. Minimum order: 100 units; units are tested before delivery.
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 3610 W continuously. Confirm your facility's power and cooling capacity before ordering.
CURRENT OFFER
$531.82 / unit$2.80 /TH
USD. Standard domestic shipping is included in the displayed price.
AvailabilityIn Stock
Unit price$531.82
Minimum quantity100
Minimum order total$53,182.00
Contact Sales about this offerRequest Bulk Quote
Sales-assisted only. BlokForge will resolve these exact blockers before accepting payment:
Used-unit evidenceNeeds verification: condition/grade basis, test method, test duration, lot identity/count.Owner: BlokForge Operations / lot owner · Evidence: Exact lot inspection and test record required
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Full specifications

ManufacturerBitmain
ModelAntminer T21
Algorithm / coinSHA-256 / BTC
Hashrate190 TH/s
Power at wall3610 W
Efficiency19 J/TH (lower is better)
CoolingAir
Noise76 dBA
Input voltage380–415 V AC
PhaseThree-phase
AC frequency50–60 Hz
Input / current draw12 A
NetworkEthernet
Unit dimensions400 × 212 × 290 mm
Net unit weight17 kg

Shipping & fulfillment

Current 924-unit lot. Minimum order: 100 units; units are tested before delivery.

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

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

380–415 V AC, 50–60 Hz, three-phase, 12 A.

Setup prerequisites

  • Dedicated electrical circuit sized for continuous 3610 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.