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Ships immediately from Hong Kong

Antminer S21 Pro
234 TH/s

Next-gen air-cooled SHA-256 mining. 15 J/TH efficiency. Tested before shipping. Built for maximum uptime and lowest cost-per-hash.

Shop now — $2,399 Browse all miners
BBB verified D&B registered Tested before shipping DDP worldwide
60+
ASIC models in stock
DDP
Delivery duty paid
24/7
Dedicated support
Replacement warranty
Full hardware coverage
Secure payments
Crypto & bank transfer
DDP shipping
No hidden customs fees
Tested before shipping
Every unit verified
Verified US business
Ursa LLC, Maine
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60+
ASIC models available
DDP
Delivery duty paid
15+
Countries shipped to
24/7
Sales & tech support
Why miners choose Ursa

Tested before shipping

Every unit is powered on, hash-tested, and verified before packaging. You receive a working miner, guaranteed.

DDP worldwide delivery

We handle customs, duties, and documentation. Your price is your final price — no surprise fees on arrival.

Registered US business

Ursa LLC is incorporated in Maine, USA. BBB accredited, D&B verified, Crunchbase listed. Real accountability.

Crypto & bank transfer

Pay with BTC, ETH, USDT, or traditional bank transfer. Partial payment available for bulk orders.

Dedicated account manager

No chatbots. Your dedicated sales rep knows mining hardware and responds on WhatsApp, email, or phone.

Replacement warranty

Full replacement warranty on all new miners. If it arrives DOA, we replace it — no questions, no delays.

What our customers say
★★★★★
"Ordered 5 S21 Pros for our farm. All arrived tested, sealed, and mining within hours. DDP shipping meant zero customs headaches. Will order again."
MK
Mike K.
Texas, USA
★★★★★
"First time buying from a smaller vendor. The WhatsApp support sold me — got answers in minutes, not days. Miner arrived in 5 days to Toronto."
JR
James R.
Ontario, Canada
★★★★★
"Compared prices across 8 vendors. Ursa had the best price on the S21 XP AND included DDP. The partial payment option was a game changer."
SL
Sarah L.
Florida, USA
BITMAINMICROBTGOLDSHELLICERIVERCANAANELPHAPEX

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