Esben
Great service
Always great support, service and Fast shipping
Reply from Altair Technology LLCMar 6, 2026
Thank you so much for the 5 star review, It really does mean a lot to us! If we can help in the future, please reach out! Altairtech.io

Excellent
Based on 588 reviews
Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Altair Technology owns and operates Bitcoin mining facilities in St Charles, Missouri. We have deep expertise in ASIC mining.We sell Bitmain, Whatsminer, Gekkoscience and other popular mining hardware and accessories. We ship worldwide and aim to be a one-stop-shop for all popular mining hardware, parts and accessories. We hold our inventory in Missouri and our in-stock items typically reach US & Canadian customers in 2-3 business days.We also consult with mining farm operators and investors on design and maintenance of cryptocurrency mining farms.
Altair Technology LLC (altairtech.io) has 588 customer reviews on Folks Told, with an average rating of 4.8 out of 5.
Showing 540 reviews with 5 stars · Clear filters
Esben
Always great support, service and Fast shipping
Reply from Altair Technology LLCMar 6, 2026
Thank you so much for the 5 star review, It really does mean a lot to us! If we can help in the future, please reach out! Altairtech.io
Ken
Excellent quality and exceptional shipping speed. Thx again!
Reply from Altair Technology LLCFeb 25, 2026
We appreciate your kind words! Providing excellent quality and fast shipping is always our goal. Thank you again for the support! altairtech.io
Crownonly
This is not my first time purchasing from them. As always, their service was fast and their response time was excellent. I’m an international buyer (not based in the US), and everything went smoothly. I highly recommend them to anyone looking for a reliable seller.
Reply from Altair Technology LLCFeb 25, 2026
Thank you for your continued trust and support! We’re especially grateful for our international customers and are glad to hear everything went smoothly again. We truly appreciate the recommendation! Altairtech.io
John
Fast delivery item as described
Reply from Altair Technology LLCFeb 25, 2026
Thank you for your review! We’re glad to hear your order arrived quickly and exactly as described. We appreciate your support! Altairtech.io
Rusky’s Crypto C.
Great service and fast shipping every time I have ordered!
Reply from Altair Technology LLCFeb 20, 2026
We really appreciate your repeat business and kind words! Providing fast shipping and reliable service is always our goal. Thank you for trusting us. Altair Technology - Altairtech.io
Zac L.
This company is TOP TIER. I would recommend anyone who is interested in buying a bitcoin miner to buy it from them! They are local to St. Louis and have been a great source for everything mining related.
Reply from Altair Technology LLCFeb 20, 2026
We really appreciate your kind words and support! Being a trusted local source in the USA means everything to us. Thank you for recommending us and being part of our mining community. Altair Technology - Altairtech.io
Douglas M.
Quick. Accurate. Neatly packed. Exactly what was ordered very quickly delivered.
Reply from Altair Technology LLCFeb 18, 2026
We’re happy to hear everything arrived exactly as ordered and quickly! Thank you for sharing your experience and for choosing Altair Technology.
DK
Fast delivery, fair prices, US Stock. Thanks guys.
Reply from Altair Technology LLCFeb 11, 2026
Thank you for the great review! We’re glad you were happy with the fast delivery, fair pricing, and US-based stock. We truly appreciate your support and look forward to helping you again. Altair Technology