I am not sure about the PSU or controller, I think it's just the miner. I have to be honest I am not to hip on Canaan specs, looks like it's 20TH @ 1800W +/- 20%.
a good price if someone grabs a 50 pack
you are right no psu 1800 watts for 20th
This product contains: 1 X AvalonMiner 921, 1 X AUC3 Cable.
Specifications
Model Name AvalonMiner 921
Hash Rate 20TH/s, -5% ~ +10%
Power Consumption 1800W, +0% ~ +20% @ 20TH/s, 25°C, 94% PSU Efficiency, 220V AC, Wall-Plug
(Minimum, Variant power consumption at different temperature and speed)
Power Efficiency 0.089J / GigaHash (Minimum)
Rated Input Voltage 12 ~ 12.6V
Chips 104 x A3206 7nm ASIC
Frequency Smart Speed
Network Connection AUC3 + AUC3 I2C to AvalonMiner Controller
Controller AvalonMiner Controller
AUC3 Up to 5 devices / AUC3, Daisy-Chain Connection
Operating Temperature -5℃ ~ 30℃
Air-intake Temperature -5℃ ~ 30℃
Cooling 1 x 14038 FAN
Noise 70db (Typical)
Gross Dimensions 420mm*235mm*225mm
Net Dimensions 378mm*170mm*155mm
Gross Weight 6 kg
Net Weight 5.5 kg
Attention
Please abide by local laws and regulations when you use our product.
AvalonMiner 921 includes a 180-day warranty, starting from the date goods are received. Canaan guarantees a 180 days warranty from the first date you receive the goods. We promise to replace defective or faulty parts with new parts, but mining earnings will not be compensated. Buyers pay inbound shipping and we will pay the return shipping. Please note that we are not responsible for any loss caused by customs delays, losses or charges.