Market snapshot · ↗Bitcoin price$77,735Network hashrate936 EH/sDifficulty127.45 T
BitmainBitmain Antminer S21
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ASIC.TOOLS / Model overview

Bitmain Antminer S21

SHA-2562024Air cooling
Hashrate
200 TH/s
Power
3500 W
Mining calculator IP address & login

Manuals & firmware

Everything you need to set up and maintain this miner.

Check the model and control-board revision before installing.

Specifications

Algorithm
SHA-256
Coins in manufacturer specification
BTC / BCH / BSV
Hashrate
200 TH/s
Power
3500 W
Efficiency
17.5 J/TH
Cooling
Air
Input voltage
220–277 V AC
Dimensions, without packaging
400 × 195 × 290 mm
Net weight
15.4 kg
Operating air temperature
0 … 45 °C
Connection
RJ45 Ethernet 10/100M

Network & access

Default IP / address mode
DHCP — no fixed default IP; the router assigns the address
Default username
root
Default password
root

How to find the miner

IP Reporter / IP Report button

Change the factory password immediately after first login. Firmware and used equipment may have different credentials.

Access data checked 14 September 2026 · Verification source ↗

Sources & configuration notes

One specified factory version is shown. Other batches may differ. Check the linked manual and device label before installation.

Catalogue data · checked 10 September 2026 · BITMAIN ↗

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