Antminer S21
Overview
Product sourcing insights & recommendations
The Antminer S21 series represents the leading edge of Bitcoin mining technology in 2026, featuring highly efficient 5nm chip architectures. The market has seen a recent surge in demand, peaking in May 2026, driven by the high-performance S21 Pro (234 TH/s) and S21 XP (270 TH/s) models.
Current market pricing for the S21 series ranges from approximately $1,400 for standard units up to $3,050 for high-efficiency XP variants, with efficiency ratings as low as 13.5 J/TH. While the S21 Pro is considered the "best value" choice for professional operators, the standard S21 remains popular for home mining due to its lower entry cost and utility in cold-climate heating offsets.
Detailed technical specs, price trends, and strategic ROI recommendations are available in the comprehensive report below.
Here is the market analysis for the Antminer S21. You can continue with:
Antminer S21 200t Sha 256 Bitcoin Miner Asic
Products · 3 lists
Bitmain Antminer S21pro 234T 3510w Bitcoin Miner Bitmain S21 15J/T Asic Miner BTC Crypto Miner
Dongguan Yangteng Information Technology Co., Ltd.🇨🇳CN2 yrs
Mining machine S21 200T used BTC miner mining machine S21 asics miner S21 with power supply ready to ship
Mining machine S21 200T used BTC miner mining machine S21 asics miner S21 with power supply ready to ship
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Sources & References
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Antminer S21 Review 2026 | Performance Guide
D-Central
Built around the BM1368 chip on an advanced 5nm process, the S21 delivers 200 TH/s at just 17.5 J/TH, making it one of the most efficient ...
Antminer S21 Performance Review: Efficiency in Bitcoin ...
Cuverse
Antminer S21 PRO (October 2024) — 245 TH/s with 15 W/TH efficiency; Antminer S21 XP (November 2025) — 270 TH/s with an impressive 13.5 W/TH ...
Antminer S21 XP Review: Hashrate & ROI in 2026
Mineshop.eu
Antminer S21 XP: Full Specifications · Hashrate: 270 TH/s (±3%) · Power Consumption: 3,645W (±5%) · Efficiency: ~13.5 J/TH · Operating Temperature: 5°C – 45°C ...
Antminer S21 Pro Review: Specs, ROI & Profitability Guide
Asic Mining Central
Complete Antminer S21 Pro review: 234 TH/s specifications, energy efficiency, ROI calculations, daily earnings, and profitability analysis ...
Antminer S21 Review: Examining the S21's Performance ...
HashrateIndex
At 200 TH/s and 17.5 J/TH, the Antminer S21 is the most powerful and efficient air-cooled Bitcoin mining rig available on the market today, and ...
Bitmain Antminer S21: Specs, Setup, and Profits Explained
Asic Marketplace
With a hash rate of 200 Th/s and power consumption of 3500 W, the Antminer S21 delivers an efficiency rate of 17.5 j/Th. What is the warranty ...