Bitmain · Bitcoin Miner
Bitmain Antminer S21 XP 270T
⚡270 TH/sHashrate
🔌3,645WPower
📊13.5 J/THEfficiency
🔊75 dBNoise
🌀Air-Cooled (4 Fans)Cooling
🏠Industrial / Mining FarmUse Case
Illustrative estimate
−€0.11
Per Day
−€3.42
Per Month
Example figures from 22 Oct 2026, 01:25 EEST (mempool.space): BTC EUR 75,266; network hashrate 1,059.165 EH/s; block subsidy 3.125 BTC; 144 blocks/day; electricity EUR 0.10/kWh. Excludes fees and other costs. Not live data or a forecast. Adjust your rate →
€3,209.87
(excl.VAT)
7–10 days delivery
See current price and availability
🇪🇺EU Warehouse
No customs
No customs
Express Delivery
🛡️1-Year Warranty
Overview
Bitmain Antminer S21 XP 270T — Full Review (2025–2026)
Everything you need to know before buying.
⚡ Quick Answer
No. The Bitmain Antminer S21 XP 270T is intended for industrial or data-centre sites, not living spaces or home offices. Its 3,645 W power draw, 75 dB noise level and 200-240 V AC supply require a purpose-designed installation. Hydro models also need a water-cooling loop.
The Bitmain Antminer S21 XP 270T is the most efficient air-cooled Bitcoin ASIC miner available today. With 270 TH/s at just 13.5 J/TH, it sets the efficiency benchmark for serious mining farms looking to maximise profitability at EU electricity rates.
Specifications are from the model data in this guide. Reviewed by the Mineshop.eu team. Profitability uses the illustrative scenario shown below, not live network data.
Key Highlights
- 270 TH/s hashrate — top-tier output for industrial deployments
- 13.5 J/TH efficiency — best-in-class air-cooled ASIC
- 4nm chip technology — Bitmain most advanced node
- Compatible with all major pools: Foundry, Antpool, F2Pool, ViaBTC
💡 Who is this for? Professional mining farms, serious investors building industrial operations, operators with access to competitive electricity rates below 0.15 EUR/kWh.
⚠️ Not ideal for: No. The Bitmain Antminer S21 XP 270T is intended for industrial or data-centre sites, not living spaces or home offices. Its 3,645 W power draw, 75 dB noise level and 200-240 V AC supply require a purpose-designed installation. Hydro models also need a water-cooling loop.
Technical Specifications
Full Specifications
📋 At a Glance — Bitmain Antminer S21 XP 270T
Algorithm: SHA-256
Hashrate: 270 TH/s
Power draw: 3645W
Efficiency: 13.5 J/TH
Noise level: 75 dB
Cooling: Air-Cooled (4 Fans)
Manufacturer: Bitmain
Release year: 2024–2025
Voltage: 200-240V AC
Use case: Industrial / Mining Farm
EU price (Mineshop.eu): See current price and availability
⚡ Performance
ModelBitmain Antminer S21 XP 270T
ManufacturerBitmain
AlgorithmSHA-256
CoinsBitcoin (BTC)
Hashrate270 TH/s
Power3645W
Efficiency13.5 J/TH
Chip Process4nm
📦 Physical & Connectivity
Dimensions400 x 195 x 290 mm
Weight16 kg (net)
CoolingAir-Cooled (4 Fans)
Fan4 x high-performance fans
Noise75 dB
Input Voltage200-240V AC
NetworkEthernet RJ45
ProtocolsStratum V1, V2
Profitability Calculator
Is the Bitmain Antminer S21 XP 270T Profitable?
Illustrative calculation, not a live profitability forecast. Network hashrate and block subsidy stay fixed; BTC price and electricity are adjustable. Excludes pool fees and other costs. Not financial advice.
⚡ Bitmain Antminer S21 XP 270T Calculator
Illustrative estimate · BTC EUR 75,266
€/kWh
€
#
Estimated Returns (after electricity)
Daily
gross
elec.
−€0.11
Weekly
gross
elec.
€-0.80
Monthly
gross
elec.
−€3.42
Yearly
gross
elec.
€-42
Use the current catalogue purchase price when assessing payback.
Example figures from 22 Oct 2026, 01:25 EEST (mempool.space): BTC EUR 75,266; network hashrate 1,059.165 EH/s; block subsidy 3.125 BTC; 144 blocks/day; electricity EUR 0.10/kWh. Excludes fees and other costs. Not live data or a forecast. Illustrative calculation, not a live profitability forecast. Network hashrate and block subsidy stay fixed; BTC price and electricity are adjustable. Excludes pool fees and other costs. Not financial advice.
Mining Pools
Best Mining Pools for the Bitmain Antminer S21 XP 270T
Connect to any SHA-256 pool. Beginners: start with Antpool or F2Pool.
🐜
Antpool
Fee: 2.5% (FPPS) · 0% (PPLNS)
Bitmain's own pool. Best integration with Canaan firmware. Largest SHA-256 pool. Recommended for first-time setup.
🐟
F2Pool
Fee: 2.5% · Payout: 0.001 BTC min
One of the oldest and most reliable pools. Easy web dashboard, mobile app. Great for beginners and experienced miners alike.
🌊
OCEAN Pool
Fee: 0% · Direct on-chain payout
Non-custodial pool — paid directly from coinbase transactions. Best for privacy-focused miners.
🎲
CKPool Solo
Fee: 2% on block win
Solo mine and keep the full 3.125 BTC block reward if you find one. Very low probability — but it happens!
Setup Guide
How to Set Up the
Industrial installation requires professionally prepared electrical and cooling infrastructure. Follow the manufacturer’s manual and use qualified installers; this is not a household plug-and-play setup.
1
📦 Unboxing
Industrial installation requires professionally prepared electrical and cooling infrastructure. Follow the manufacturer’s manual and use qualified installers; this is not a household plug-and-play setup.
2
🔌 Power Connection
The Bitmain Antminer S21 XP 270T requires a single-phase AC supply of 200-240 V AC and draws 3,645 W continuously. For information only: 3,645 W / 230 V is approximately 15.8 A at nominal 230 V; actual input current depends on the supply and power factor. A qualified electrician must size the supply, breaker and cabling to local code and the manufacturer’s manual. Never share the circuit.
3
🌐 Network Setup
Connect via Ethernet RJ45. The miner gets an IP via DHCP automatically. Find its IP in your router DHCP client list, then open that IP in your browser to access the dashboard.
4
🏊 Configure Pool
Log into the miner dashboard (default: root/root — change this immediately). Go to Pool Configuration and enter your pool stratum address and wallet/worker name. Set a backup pool for redundancy.
5
🔊 Ventilation
Industrial installation requires professionally prepared electrical and cooling infrastructure. Follow the manufacturer’s manual and use qualified installers; this is not a household plug-and-play setup.
Troubleshooting
Common Issues & Fixes
🚫 Miner Not Turning On
Symptoms
No LEDs, no fan noise after connecting power.
Fix
Do not try other household outlets or improvise wiring. Stop and have a qualified technician check the manufacturer-specified supply, protection devices and cooling system.
🌡️ Overheating / High Temps
Symptoms
Chip temps above 85°C, automatic throttling, warning LED.
Fix
- Improve ventilation — ensure 30cm clearance
- Reduce ambient temperature below 35°C
- Clean dust from heatsinks/fans with compressed air
🌐 Pool Connection Issue
Symptoms
Dashboard shows rejected shares or pool offline. Worker not appearing in pool dashboard.
Fix
- Double-check stratum URL and port number
- Check for typos in worker name
- Try a different pool port (3333, 443, 25)
- Check pool status page for outages
📉 Lower Than Expected Hashrate
Symptoms
Miner hashing significantly below spec (>10% below nominal).
Fix
- Check chip temperatures — overheating causes throttling
- Allow 10+ minutes for pool hashrate to stabilise
- ±5% variance from spec is normal
- Update to latest firmware
FAQ
Frequently Asked Questions
Is the Bitmain Antminer S21 XP 270T good for home use?
No. The Bitmain Antminer S21 XP 270T is intended for industrial or data-centre sites, not living spaces or home offices. Its 3,645 W power draw, 75 dB noise level and 200-240 V AC supply require a purpose-designed installation. Hydro models also need a water-cooling loop.
How much power does the Bitmain Antminer S21 XP 270T consume?
The Bitmain Antminer S21 XP 270T draws 3,645W continuously. Running 24/7 for a month, that is approximately 2,624 kWh. At EU average electricity of €0.25/kWh, that is around €656/month.
What circuit or breaker is required?
The Bitmain Antminer S21 XP 270T requires a single-phase AC supply of 200-240 V AC and draws 3,645 W continuously. For information only: 3,645 W / 230 V is approximately 15.8 A at nominal 230 V; actual input current depends on the supply and power factor. A qualified electrician must size the supply, breaker and cabling to local code and the manufacturer’s manual. Never share the circuit.
Which mining pool works best with the Bitmain Antminer S21 XP 270T?
Any SHA-256 mining pool works. For beginners: Antpool or F2Pool. For privacy: OCEAN Pool. For solo mining: CKPool Solo.
How long is the ROI on the Bitmain Antminer S21 XP 270T?
Payback is not guaranteed. It depends on the current catalogue purchase price, electricity cost, BTC price and network conditions. The calculator shows an illustrative scenario, not a live forecast.
Does it come with a warranty?
Yes — all Bitmain Antminer S21 XP 270T units from Mineshop.eu include a 1-year warranty covering manufacturing defects under normal operating conditions.
Can beginners set up the Bitmain Antminer S21 XP 270T?
Industrial installation requires professionally prepared electrical and cooling infrastructure. Follow the manufacturer’s manual and use qualified installers; this is not a household plug-and-play setup.
Our Verdict
Is the Bitmain Antminer S21 XP 270T Worth Buying?
✅ Buy if you...
- ✓ 270 TH/s hashrate — top-tier output for industrial deployments
- ✓ 13.5 J/TH efficiency — best-in-class air-cooled ASIC
- ✓ 4nm chip technology — Bitmain most advanced node
- ✓ Compatible with all major pools: Foundry, Antpool, F2Pool, ViaBTC
⚠️ Skip if you...
- ✗ No. The Bitmain Antminer S21 XP 270T is intended for industrial or data-centre sites, not living spaces or home offices. Its 3,645 W power draw, 75 dB noise level and 200-240 V AC supply require a purpose-designed installation. Hydro models also need a water-cooling loop.
Mineshop editorial rating
★★★★★ 4.1/5
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