Antminer S21 XP 270Th Used

(24+ Reviews)
Used Product Factory Warranty Ships in 72 Hours
Starting From

$2,235.00

270T
3645W
13.5 j/TH
$2,235.00
100% Authentic
Genuine & tested miners
Secure Payments
Wire Transfer & ACH
Global Shipping
Fast & reliable delivery
Expert Support
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The Antminer S21 XP 270Th Used delivers industry-leading performance with superior efficiency.

  • Next-gen chip technology
  • High energy efficiency
  • Stable & reliable operation
  • Low noise, high performance
Key Specifications
Algorithm SHA-256
Hashrate 270T
Power 3645W
Efficiency 13.5 j/TH

Specifications

Algorithm SHA-256
Hashrate 270T
Power 3645W
Efficiency 13.5 j/TH
Cooling Air Cooling

What's in the Box

  • Antminer S21 XP 270Th Used
  • Power Cable
  • User Manual
  • Warranty Card

Estimated Delivery Time

Please select your preferred product batch option: Available Now (In Stock) for immediate shipment, or Monthly Batch for delivery within the selected timeframe. If no batch selection is displayed, the product is currently in stock and ready to ship.

If your miner has not arrived within the estimated delivery period, please contact our support team at support@valuehash.com, and we will assist you as quickly as possible.

Shipping

All pre-owned miners are thoroughly tested by our certified technicians prior to shipment, which typically requires 3–5 business days for processing. New miners are shipped from our Shenzhen or Hong Kong warehouses, with international delivery generally taking 5–10 business days via DHL.

Once your order has been dispatched, you will receive a shipping confirmation email along with a tracking number. Shipping costs are calculated based on the product type, package weight, and delivery destination.

Return Policy

All sales are final and non-refundable once the order has been shipped. However, ValueHash provides repair and replacement support for miners experiencing verified technical issues.

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Frequently Asked Questions:

How much energy does a Bitcoin miner use actually?
Different models have different electricity consumption based on the machine's hash rate. More powerful miners typically use more power; however, there are also power efficient miners that are designed to produce powerful output at minimal electricity expenses.
How important is cooling in a Bitcoin mining rig?
Cooling matters. Mining equipment that runs all the time gives off a lot of heat. If there isn't enough ventilation or cooling, the lifespan and performance of hardware may go down. Investments are safe and output is stable in places with good air flow.
What things make bitcoin miners less profitable?
Electricity expenses, hardware efficiency, mining difficulty, Bitcoin price, and uptime affect profitability. Optimized equipment and lower energy costs boost returns.
Do Bitcoin miners need to be fixed on a regular basis?
Bitcoin miners work 24/7, demanding regular cleaning and cooling. So, it is best to keep dust away, maintain ventilation, update firmware, as well as monitor performance. This maintenance helps to prolong hardware life and prevent malfunctions.
How quickly can I recover my investment in a bitcoin mining rig?
The cost of the equipment and how much it costs to run varies greatly from machine to machine. Cheap electric costs, Performance monitoring and effective equipment maintenance can minimize break-even time.
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