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Bitmain Antminer S21 XP Bitcoin Miner

(2 customer reviews)

Original price was: $5,600.00.Current price is: $3,100.00.

Bitmain Antminer S21 XP mining the SHA 256 algorithm has a maximum hash rate of 270Th/s at a power consumption of 3645W. Weighing around 18.7 kgs, Bitmain Antminer S21 XP gives an energy efficiency of 13.5j/Th. The ASIC comes with a warranty period of 365 days.

118 in stock

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07 - 09 Jun, 2026
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Description

Bitmain engineered the Antminer S21 XP (270Th) specifically for the SHA-256 algorithm, empowering you to mine Bitcoin (BTC) with industry-leading precision. It also delivers a maximum hashrate of 270Th/s while consuming 3645W of power, resulting in an energy efficiency of 13.5j/Th.

Antminer S21 XP Specification

Manufacturer Bitmain
Model Antminer S21 XP
Size w/o 449 X 219 X 293mm
Size with 640 X 360 X 450mm
Weight Net 18700g
Noise level 76db
Fan(s) 4
Power 3645W
Voltage 220-277
Interface Ethernet
Storage Temp. -20-70
Temperature -20 – 45 °C
Humidity 10 – 90 %
Warranty 365 Days
Operational Details
  • Hardware Architecture: Built with advanced 5-nm chips in collaboration with TSMC, providing up to a 40% efficiency improvement over older S19 models.
  • Acoustic & Thermal:
    • The Air-Cooled version uses four high-speed fans, generating approximately 75–76 dB of noise.
    • The Hydro and Immersion versions are significantly quieter, making them better suited for noise-sensitive industrial environments, though they require specialized cooling infrastructure.
  • Power Requirements:
    • Air-cooled units typically require 220–277V.
    • Hydro and Immersion units often require 380–415V three-phase power, suitable for industrial-scale data centers.

Purchasing Guidelines


1. Shipments will be scheduled on a first-paid-first-ship basis for orders on which ASIC MINERS has received full payment.

2. You are responsible for any customs delays or returned shipments due to a lack of proper documentation. It’s highly recommended to be aware of local customs clearance policies and prepare all customs documentation ahead of time to avoid delays or unexpected costs.

3. Please contact info@asicminers.org  for additional information on customs clearance for ASIC MINERS products.

Warranty

1. A 365-day warranty is provided starting from the shipping date. ASIC MINERS will cover shipping costs when shipping a replacement unit within the warranty period.

2. The warranty only applies to the original purchaser who purchased the machine directly from ASICMINERS.ORG. Once the miner is resold, warranty coverage becomes the responsibility of the re-seller.

3. If the user fails to use the product per the given instructions, specifications, and conditions provided or changes the function settings of the unit without ASIC MINER’s prior consent, ASIC MINERS will not be liable for any damage arising therefrom.

4. Click here for a complete list of the Terms & Conditions that apply to all orders placed on https://asicminers.org/

Additional information

Weight 18.7 kg
Color

Silver, Black, Gold

Memory

128 Gb, 256 Gb, 512Gb, 1 Tb

2 reviews for Bitmain Antminer S21 XP Bitcoin Miner

  1. Scott Daniel

    Quick delivery and excellent service from ASICMINERS.ORG for the Bitmain Antminer S21 XP Bitcoin. All fees included in the price, hassle-free right to my door.

  2. Benedicte

    This unit integrates cleanly into…
    Antminer S21 XP – 270 TH/s
    This unit integrates cleanly into my setup. Profit margins remain competitive.

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Quick Comparison

Bitmain Antminer S21 XP Bitcoin Miner removeCanaan Avalon Nano 3S 6TH/s removeBitmain Antminer Z15 Pro removeIceRiver ALEO AE3 2Gh removeBitmain Antminer S23 hyd. 3u removeMicroBT Whatsminer M50s remove
NameBitmain Antminer S21 XP Bitcoin Miner removeCanaan Avalon Nano 3S 6TH/s removeBitmain Antminer Z15 Pro removeIceRiver ALEO AE3 2Gh removeBitmain Antminer S23 hyd. 3u removeMicroBT Whatsminer M50s remove
ImageAntminer-S21 XPAvalon Nano 3SBitmain Antminer Z15 ProICERIVER-Aleo-Miner-AE3Bitmain Antminer_S23_Hyd_3Uwhatsminer-m50s
SKUS21XPAVANANO3SANTZ15PICEALEOAE3U3S23HYDMBTM50S
Rating
Price Original price was: $5,600.00.Current price is: $3,100.00.$245.00 Original price was: $4,999.00.Current price is: $3,699.00. Original price was: $5,700.00.Current price is: $4,800.00. Original price was: $12,500.00.Current price is: $10,500.00.$690.00
Stock

118 in stock

167 in stock

111 in stock

50 in stock

79 in stock

76 in stock

Weight18.7 kg0.86 kg16.9 kg15 kg18.2 kg12.8 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 18.7 kg
Color

Silver, Black, Gold

Memory

128 Gb, 256 Gb, 512Gb, 1 Tb

Weight 0.86 kg
Algorithm

SHA-256

color

Black, Red, White

Weight 16.9 kg
Algorithm

Equihash

Weight 15 kg
Algorithm

zkSNARK

Weight 18.2 kg
Color

Gold, Black, Silver

Algorithm

SHA-256

Weight 12.8 kg
Algorithm

SHA-256

color

Silver

DescriptionBitmain Antminer S21 XP mining the SHA 256 algorithm has a maximum hash rate of 270Th/s at a power consumption of 3645W. Weighing around 18.7 kgs, Bitmain Antminer S21 XP gives an energy efficiency of 13.5j/Th. The ASIC comes with a warranty period of 365 days.Avalon Nano 3S is manufactured by Canaan which operates under the SHA-256 algorithm with a maximum hashrate of 6Th/s and power consumption of 140W.The Bitmain Antminer Z15 Pro is a high-performance ASIC miner released in June 2023. It is specifically designed for the Equihash algorithm, making it a leading choice for mining cryptocurrencies like Zcash (ZEC) and Horizen (ZEN).Iceriver AE3 is manufactured by Iceriver which operates under the zkSNARK algorithm with a maximum hashrate of 2Gh/s and power consumption of 3400W.

Bitmain Antminer S23 Hyd 3U (1.16 PH/s) – Ultra-High Performance Hydro-Cooled Bitcoin ASIC Miner. The New Benchmark in Bitcoin Mining Power and Efficiency

Whatsminer M50S is Manufactured By MicroBT And it’s mining SHA-256 algorithm which running maximum hashrate of 126Th/s for a power consumption of only 3276W.
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Campbell Store: 3165 S Winchester Blvd, Campbell, CA 95008, USA
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London Store: 27 Old Gloucester St. London United Kingdom WC1N 3AX

Company Number 14161765

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