Everything You Need to Know About the NVIDIA Blackwell Ultra B300

The NVIDIA Blackwell Ultra B300 is a powerful GPU featuring 288 GB of HBM3e memory - 50% more than the B200 - making it ideal for large language model inference and complex reasoning workloads. While it delivers exceptional performance for high-throughput inference and multi-GPU systems, the hardware comes with significant infrastructure costs including substantial power consumption and cooling requirements. Vast.ai offers on-demand access to B300 GPUs, allowing organizations to leverage this technology without the burden of ownership and operation.