SAIHEAT Limited develops liquid cooling technologies for cryptocurrency assets. Its offerings include the SAIHUB CAB indoor cabinet, which converts traditional air-cooled bitcoin mining machines into liquid-cooled units; the ULTIWIT System, a series of outdoor infrastructure products; and an advanced computing center ecosystem that enables carbon-negative data center operations by repurposing waste computing heat. The company also provides mobile and resilient outdoor computing infrastructure units under its WITBOX product line, including TANKBOX, RACKBOX, and HYDROBOX; HEATBOX, which regulates, supplies, and controls recovered computing heat from servers; and USERBOX, designed to support computing heat recovery applications. In addition, SAIHEAT offers bitcoin mining machine hosting and mining pool services, and engages in cryptocurrency mining operations, including Bitcoins. Formerly known as SAI.TECH Global Corporation, it changed its name to SAIHEAT Limited in August 2024. The company was founded in 2019 and is based in Singapore.