
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.
WarrantyNo DOA coverage.
This unit draws 3610 W continuously. Confirm your facility's power and cooling capacity before ordering.
$531.82$2.80 /TH
USD. Standard domestic shipping is included in the displayed price.
Minimum order: 100 units.
Payment assistance
Bitcoin checkout is temporarily unavailable. Please contact BlokForge Sales for assistance.
Bitcoin checkout is temporarily unavailable. Please contact BlokForge Sales for assistance.
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
No DOA coverage.
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.