
Up to 8 GPUs
BullSequana AI 620
Inference and fine tuning
For inference and fine tuning of small and medium AI models, with NVIDIA or AMD GPU options and air cooling.
The BullSequana AI GPU server family provides configurable infrastructure for AI inference, fine tuning and model training.
Designed for small, medium and large AI models, these rack mounted servers offer NVIDIA and AMD GPU options, with air or hybrid cooling available depending on the configuration. The range enables organisations to select compute and cooling technologies according to their AI workloads and infrastructure requirements.

Compare the BullSequana AI 620 and AI 640 product families by workload, GPU capacity, processor, accelerator and cooling options.

Up to 8 GPUs
Inference and fine tuning
For inference and fine tuning of small and medium AI models, with NVIDIA or AMD GPU options and air cooling.

8 GPUs
Training and large model inference
For training AI models and running inference with large models, with NVIDIA or AMD accelerators and air or hybrid cooling.
Review the processor, GPU and cooling options available for each server configuration.
| Product family | Configuration | Processor | GPU | Cooling |
|---|---|---|---|---|
| BullSequana AI 620 | 622 A03 | AMD EPYC™ | NVIDIA or AMD GPUs | Air cooling |
| BullSequana AI 640 | 641 A02 or H02 | Intel Xeon | NVIDIA HGX H200 | Air or hybrid cooling |
| BullSequana AI 640 | 642 A01 or H01 | AMD EPYC™ | AMD Instinct™ MI300X | Air or hybrid cooling |
| BullSequana AI 640 | 642 H02 | AMD EPYC™ | AMD Instinct™ MI325X | Hybrid cooling |
| BullSequana AI 640 | 642 H03 | AMD EPYC™ | AMD Instinct™ MI355X | Hybrid cooling |
BullSequana AI 620
BullSequana AI 640
BullSequana AI 640
BullSequana AI 640
BullSequana AI 640

The BullSequana AI 620 family is intended for the inference and fine-tuning of small and medium models.
Up to 8 GPUs
BullSequana AI 622-A03
CPU AMD EPYC™
NVIDIA or AMD GPUs
Air cooling

The BullSequana AI 640 family is designed to train AI models and perform inference with large models, offering exceptional performance and efficiency.
8 GPUs
BullSequana AI 641-A02/H02
CPU Intel Xeon
GPU NVIDIA HGX H200
Air cooling OR Hybrid cooling
BullSequana AI 642-A01/H01
CPU AMD EPYC
GPU AMD MI300X
Air cooling OR Hybrid cooling
BullSequana AI 642-H02
CPU AMD EPYC
GPU AMD MI325X
Hybrid cooling
CPU AMD EPYC
GPU AMD MI355X
Hybrid cooling
AI and infrastructure consulting
Bull teams can support your AI infrastructure from initial requirements and architecture planning through deployment and performance evaluation. Our specialists can help you select and configure GPU server infrastructure based on your models, workloads and operational requirements.
Deployment and lifecycle support
Bull provides delivery, installation and configuration services for BullSequana AI GPU servers. Ongoing maintenance and technical support are also available throughout the system lifecycle, helping you manage your infrastructure as requirements evolve.
Discuss GPU configurations, model sizes and deployment constraints to identify server options for your AI workloads.