VNET Bayin Ulanqab is an AI data center operated by VNET, located in China (Bayin, Ulanqab, China). Its compute is used by ByteDance.
The site holds roughly 122,789 H100-equivalents of AI compute. It draws about 221 MW of power. Building and equipping it represents an estimated $8.4B of capital in 2025 dollars. It currently runs Ascend 910C.
These figures are modelled estimates, not disclosures: Epoch AI derives them from permits, satellite imagery and reported spending, with an uncertainty of roughly 1.4x to 1.6x depending on the metric.