D9 Is Manufactured By Bitmain And it’s mining X11 algorithm which running maximum hashrate of 1.77Th/s for a power consumption of only 2839W. Specifications Manufacturer Bitmain Model Antminer D9 1.77Th/s Release February 2023 Size w/o 430 X 195 X 290mm Size with 570 X 316 X 430mm Weight Net 16100g Weight Gross 17700g Noise level 75db Fan(s) 4 Power 2839W Power Efficiency 1.60 ±10% Networking Connection RJ45 Ethernet 10/100M Voltage 200-240V Interface Ethernet Storage Temp. -20-70 Temperature 0 – 40 °C Humidity 10 – 90 % Warranty 180 Days