Has no one bought it yet ?
I will be honest both nano I got last summer are dead. lasted about 6 or 7 months on mid speed. which I find not acceptable. So I won't be buying nano 3s or mini 3.
My little beagles are great.
https://bitcointalk.org/index.php?topic=5521746.0 my replacement bitaxe is great.
https://bitcointalk.org/index.php?topic=5515758.0I will be making a 1 board variation of the t21 . It should be better than the mini 3
I am quite annoyed with Canaan's products at this time.