LIMITED SALE
Naja Duo
The flagship miner. On sale now. Limited stock.
Featured product
HashWatcher Naja Duo
$410.00
We've been great at monitoring your miners for a long time. Now we're making our own.
- The first full-color ASIC miner.
- 2× BM1373 ASIC — 4.51 TH/s stock at ~49.5W (~10.97 J/TH efficiency).
- Overclock profiles up to 8+ TH/s at ~111W.
- Triple Cooling: Upgraded full-copper Thermalright AXP90-X47 cooler, ultra-thin 90mm × 15mm PWM fan, and rear-mounted 80mm × 10mm PWM fan.
- 12V 15A 180W power supply included.
Ships Late October
Preorder · Ships Late October from the US.
Secure checkout
Shop Pay, cards, and encrypted checkout.
Sale pricing
Shown prices are current sale prices.
Before you buy
Is this on sale, and is stock limited?
Yes. These are current sale prices, and some items like the Hub can sell out. If it is in stock, add it to cart now.
When does the Naja Duo ship?
Naja Duo preorders: Ships Late October from the US. Shipping cost is calculated at checkout based on your address.
Does this work with the HashWatcher app?
Yes. HashWatcher Hub and Naja Duo are built for the HashWatcher monitoring app. The cat mascot is merch for the same community.
What is the return policy?
Contact us from the order confirmation if something arrives damaged or is not what you expected. We will help you get it resolved.