Bitmain
Antminer S21 XP
The Antminer S21 XP by Bitmain is a SHA256 ASIC miner delivering 270 TH/s at 3645W power consumption with 13.5 J/TH efficiency. It mines Bitcoin, Bitcoin Cash, Bitcoin SV. Available for purchase from MinerHaolan with fast international shipping from Hong Kong and manufacturer warranty included.
Algorithm
SHA256
Hashrate
270 TH/s
Power
3645W
Available Coins
SSL Secured
256-bit encryption
180-Day Warranty
Full coverage
Free Shipping
Orders over $5,000
Buyer Protection
Verified seller
The S21 XP is Bitmain's flagship air-cooled miner, delivering 270 TH/s at 13.5 J/TH—class-leading efficiency for air cooling—while drawing 3645W. Built on advanced 5nm BM1370 chip architecture, it achieves the highest hashrate-to-power ratio among air-cooled S21 variants. Larger 140mm chassis supports the improved thermal footprint. Suited for miners seeking maximum efficiency without liquid cooling infrastructure. Proven reliability and strong resale value. Delivers premium performance with straightforward air-cooled installation. Represents the performance ceiling for traditional air-cooled Bitcoin mining.
Key Features
- Industry-leading 13.5 J/TH energy efficiency
- Powerful 270 TH/s hashrate for maximum profitability
- Advanced thermal management with Air-cooled (4 fans)
- Easy setup and management via web interface
Profitability Calculator🟢 Live Data
Estimates for Antminer S21 XP, from live network hashrate and price
Daily Power
87.5 kWh
Power Cost
-$7.00
Daily BTC
0.0001342 BTC
Revenue
$8.86
Daily
$1.86
Monthly
$56.58
Yearly
$678.39
* Revenue from live network hashrate, block time and block reward (source: WhatToMine), assumes a 1% pool fee, and extrapolates today's difficulty and price flat for the monthly/yearly figures.
Customer Reviews
Sign in to write a review4.3
Based on 28 reviews
Best miner I've owned
After owning various miners over the years, the Antminer S21 XP is the best I've owned. Superior in every measurable metric. Sets a new personal standard.
Best value in its class
After extensive research, I concluded the Antminer S21 XP offers the best value in its class. The specs, price, and MinerHaolan's reputation sealed the deal.
Excellent thermal design
The thermal design of the Antminer S21 XP is excellent. Even under full load, temperatures stay within safe ranges. The cooling solution is well engineered.
Flawless operation from day one
From the moment I plugged in my Antminer S21 XP, it's been flawless. No configuration headaches, no performance issues. Just solid, consistent mining. Couldn't ask for more.
Compatible with all major pools
Tested my Antminer S21 XP with Foundry, F2Pool, AntPool, and ViaBTC. Works flawlessly with all of them. Just enter the stratum address and worker name. No pool-specific firmware needed.
Frequently Asked Questions about Antminer S21 XP
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