Overview
The Bitmain Antminer S21 XP (270Th) is a high-performance mining rig designed for the SHA-256 algorithm, optimized for Bitcoin (BTC) mining. With a maximum hash rate of 270Th/s and a power consumption of 3645W, it achieves an energy efficiency of 13.5J/Th, making it a competitive choice for professional miners.
Key Features
- Algorithm: SHA-256
- Hash Rate: 270Th/s
- Power Consumption: 3645W
- Energy Efficiency: 13.5J/Th
- Optimal For: Bitcoin (BTC) mining
Purchase Guide
1. Pricing Considerations
- KS5 Pro and KS5 Std models share the same price per hash rate but differ in unit pricing.
- Orders may include mixed shipments of KS5 Pro and KS5 Std. Final pricing reflects the shipped model.
2. Payment & Order Policies
- No cancellations or refunds after order submission.
- Product images are for reference; final shipped versions may vary.
- Retail prices exclude shipping fees, customs duties, and taxes.
3. Shipping & Customs
- Manufactured in China; US shipments incur a 25% tariff.
- Orders are processed on a first-paid, first-shipped basis.
- Buyers must handle customs documentation. Delays due to improper paperwork are the buyer’s responsibility.
👉 Learn more about Bitmain’s customs certificates
Warranty & Support
- 180-day warranty from shipment date. Buyer covers return shipping for replacements.
- Warranty applies only to original purchasers; resold units transfer liability to the reseller.
Voided warranty if:
- Unauthorized modifications are made.
- Usage violates provided specifications.
FAQs
1. What’s the difference between KS5 Pro and KS5 Std?
Both share identical hash-rate pricing but differ in unit configurations. Shipments may include either model.
2. Are customs fees included in the price?
No. Buyers must pay tariffs (e.g., 25% for US imports) and handle clearance paperwork.
3. Can I return the miner if it’s defective?
Yes, within 180 days. However, return shipping costs are the buyer’s responsibility.
4. How do I troubleshoot setup issues?
Contact Martin Mining Support at +86 13418646626 or refer to the included manual.
5. Is the warranty transferable?
No. Reselling the miner voids the original warranty; the reseller assumes liability.
Final Notes
The Antminer S21 XP balances power and efficiency for serious BTC miners. Always verify local regulations and budget for additional costs like tariffs. For further assistance, reach out to Martin Mining’s dedicated support line.
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