-
🔥 Antminer T21 – 190Th/s BTC Mining ASIC Miner
The most affordable SHA‑256 air-cooled Bitcoin miner of 2025 — now live with 25% OFF (auto-applied at checkout)!
🛠️ Key Features:
-
Hashrate: 190 TH/s (±3%)
-
Power Consumption: 3610W
-
Efficiency: 19 J/TH
-
Voltage: 220–277V
-
Cooling: Dual-fan air cooling
-
Algorithm: SHA‑256
-
Connection: Ethernet
-
Condition: 100% Brand New – Factory Sealed
-
Warranty: 180 Days
✅ Mined Coins: Supports all SHA‑256 coins including Bitcoin (BTC), Bitcoin Cash (BCH), Bitcoin SV (BSV), Peercoin (PPC), and DigiByte (DGB) — fully optimized for BTC mining.
📦 Size & Weight:
-
Miner Dimensions: 15.7″ × 7.6″ × 11.4″
-
Shipping Box: ~22″ × 14″ × 17″
-
Net Weight: ~38.5 lbs (17.5 kg)
-
Gross Weight: ~43.6 lbs (19.8 kg)
💸 Profit Estimates :
-
Daily Profit: $5–$8 depending on network/electricity
-
Monthly Profit: $150–$240
-
ROI Estimate: 9–12 months under normal operation
🧾 How to Use:
-
Connect to a 240V power source
-
Plug in Ethernet
-
Access via your browser using the local IP
-
Enter your BTC wallet + mining pool
-
Click start — mining begins instantly
No software required. Plug and play.
🛒 How to Order:
-
Click “Add to Order”
-
Fill in Billing Details
-
Click “Place Order”
-
Pay securely using USDT TRC20 or BSC via NowPayments
🌍 Shipping Info:
-
Ships Worldwide
-
Processing time: 1–2 business days
-
Tracked & insured delivery
-
Shockproof thermal packaging
🔐 Why Buy from Maimartt:
✅ 25% OFF – no coupon needed
✅ Fast shipping & tracking
✅ In-stock & ready to ship
✅ US-based trusted store
✅ Secure crypto payment
✅ Support 7 days a week
📢 Final Note:
If you’re starting or expanding your mining operation, this is the best price-to-performance BTC ASIC miner available today.
👉 Start mining with the Antminer T21 now — limited stock!
-
Sale!
Antminers
Antminer T21 – 190Th/s BTC Mining ASIC Miner
Original price was: $2,779.00.$2,084.25Current price is: $2,084.25.
+ Free ShippingAntminer T21 – 190Th/s air-cooled SHA‑256 BTC miner. 25% OFF, ships worldwide, pay with USDT TRC20/BSC. Secure, powerful, efficient.
7 reviews for Antminer T21 – 190Th/s BTC Mining ASIC Miner
Have a coupon? Click here to enter your code
Wesley Q. –
I’m earning daily with low power draw. Great choice for beginners.
Adeline W. –
Quiet, compact, and efficient. Way better than expected.
Grayson D. –
Packaging was excellent. Plugged in and worked instantly.
Lola T. –
Great ROI so far. Would recommend for anyone mining solo.
Jalen M. –
Came faster than expected. Maimartt team helped with setup.
Serena O. –
Price was better than eBay or AliExpress. Running 2 units.
Nolan R. –
Everything perfect, miner is legit. Will order again.