Hash rate: 3.5t±10% power at wall 1100w(power efficiency 90%)? quantity of chips 80 power connector 4x 6pin,all 4 connectors required when running temperature max operating ambiant air temp 38? controller raspberry pi(version 1,b,b+),? each raspberry pi can control 10 units protection the machine will not start when the fan is damaged ? dimension 136×150×334mm

Brand BLESSINGHASH Hashing Speed 1200MH/s Scrypt Mining Algorithm Scrypt Mining Power Consumption 1000 Watts Chip Minion2 ASIC Chip Scrypt Miner Data Interface USB 3.0 , USB 2.0 and Ethernet 100 Mbps Warranty 10 Years

3.5TH/s guaranteed hashrate 2800W ±5% (at wall) power consumption 6U rack enclosure 35°C nominal intake air temperature 0.78J/GH typical efficiency (at wall). Features 24 Hash card slots 11 Hash cards with 120 Bitfury chips each Optional voltage control for maximum efficiency Status display* with 5 programmable buttons 3 months guarantee extendable to 12 months Optional remote admin and troubleshooting

spec.png * Chip Operating Voltage: 0.72V * Chip Quantity per unit: 160 * Hash Rate: 2,000GH/s guaranteed * Power Efficiency: 0.69Watt/GH/s at the wall * Over clocking: About 10%, but not guaranteed * 3U Rack 432mm*442mm*133mm * PSU inside: 1400W, 80PLUS gold, C14 input socket. Power line not included. You may look for one line with no less than 16A in your local market * Temperature: 40-50 degree Celsius tested in the mining farm * Fan Speed: 3900RPM