> ## Documentation Index
> Fetch the complete documentation index at: https://docs.coreweave.com/llms.txt
> Use this file to discover all available pages before exploring further.

# B300 (InfiniBand)

> Specifications, pricing, and availability for the B300 (InfiniBand) GPU instance

Powered by eight NVIDIA B300 Blackwell GPUs, these instances deliver outstanding performance for enterprise AI workloads, including training and real-time inference. Compared to B200 systems, they offer more performance per GPU, 50% greater GPU memory, and double the InfiniBand speed with 800G XDR non-blocking NVIDIA Quantum-2 fabric.

## Specifications

| Feature                   | Detail                                                                                                                                                                                                                                                      |
| :------------------------ | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Category**              | State-of-the-Art Compute                                                                                                                                                                                                                                    |
| **Instance ID**           | `b300-8x`                                                                                                                                                                                                                                                   |
| **GPU**                   | 8x NVIDIA B300                                                                                                                                                                                                                                              |
| **GPU RAM**               | 270 GB                                                                                                                                                                                                                                                      |
| **GPU Connectivity**      | Quantum-X800 InfiniBand & NVLink                                                                                                                                                                                                                            |
| **CPU Model**             | 2 x Intel Granite Rapids (6747P) (2.70 GHz)                                                                                                                                                                                                                 |
| **vCPUs**                 | 192                                                                                                                                                                                                                                                         |
| **RAM**                   | 4096 GB                                                                                                                                                                                                                                                     |
| **Local Storage**         | 61.44 TB                                                                                                                                                                                                                                                    |
| **Network Speed**         | Dual-port 200GbE                                                                                                                                                                                                                                            |
| **Default GPU driver**    | `580`                                                                                                                                                                                                                                                       |
| **Compatible GPU driver** | `580`, `595`                                                                                                                                                                                                                                                |
| **Availability**          | [**US-CENTRAL-06A**](/platform/regions/us-central#us-central-06a)<br />[**US-EAST-13A**](/platform/regions/us-east#us-east-13a)<br />[**US-WEST-01A**](/platform/regions/us-west#us-west-01a)<br />[**US-WEST-10A**](/platform/regions/us-west#us-west-10a) |

## Primary use cases

Training foundation models from scratch (130B+ parameters), massive-scale inference, and developing frontier AI systems.

## Recommended models

DeepSeek V4 Pro, Kimi K2.6, GLM 5.1, and other future advanced GPT-5 class models, complex Mixture-of-Experts (MoE) models, and large multimodal systems built for coding and agentic workflows.