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Buy Obelisk SC1 Mining Machine Model SC1 from Obelisk mining 2 algorithms ( Blake2B, Blake2B-Sia ) with a maximum hashrate of 550Gh/s for a power consumption of 500W. Buy Obelisk SC1 Mining Machine Obelisk SC1 specifications Manufacturer: Obelisk Model: SC1 Also known as: SC1, 2-board (Gen 1) Release: June 2018 Size: 200 x 200 x 360mm Weight: 9000g Chip size: 28nm Noise level: 65db Power: 500W Wires: PSU include Interface: Ethernet