Compatibility Notes
Know Before You Buy. Deploy With Confidence.
Hardware incompatibility is one of the most expensive problems in AI infrastructure — and one of the most preventable. DVUN's compatibility notes document verified hardware combinations, known issues, driver requirements, and software framework compatibility so you can make purchasing decisions with confidence and deploy without surprises.
GPU & Accelerator Compatibility
- PCIe Generation Compatibility — PCIe 4.0 vs. 5.0 GPU cards in PCIe 3.0 and 4.0 motherboards: what works, what doesn't, and what the bandwidth impact is.
- NVLink & NVSwitch Configurations — Verified multi-GPU NVLink configurations and known limitations by server platform.
- GPU Driver Compatibility Matrix — CUDA version requirements, driver compatibility by GPU generation, and known driver issues.
- Accelerator Card Form Factors — Full-height, half-height, and OAM form factor compatibility by chassis and server platform.
Networking Compatibility
- NIC & Switch Compatibility — Verified NIC-to-switch combinations for InfiniBand and RoCE configurations.
- Optical Module Compatibility — Verified optical module compatibility by switch vendor and port type.
- DAC & AOC Cable Compatibility — Cable compatibility by switch and NIC vendor, length limitations, and known issues.
- RDMA & RoCE Configuration Notes — Known configuration requirements and issues for RDMA over Converged Ethernet deployments.
Storage & Memory Compatibility
- NVMe Drive Compatibility by Server Platform — Verified NVMe drive compatibility by server model and firmware version.
- Memory Configuration Notes — DRAM compatibility, population rules, and known issues by server platform.
- Storage Controller Compatibility — HBA and RAID controller compatibility with NVMe and SAS/SATA drives.
Software Framework Compatibility
- PyTorch & TensorFlow GPU Support Matrix — Verified GPU support by framework version and CUDA version.
- vLLM & TensorRT-LLM Hardware Requirements — Minimum and recommended hardware configurations for leading inference serving frameworks.
- SLURM & HPC Software Compatibility — Hardware compatibility notes for common HPC cluster management software.
Need a Compatibility Check for Your Specific Configuration?
Our compatibility notes cover the most common scenarios. For a verified compatibility assessment of your specific hardware combination, use our Compatibility Advisory service.