The NVIDIA A40 (R7E31A) is a high-performance data center GPU built on the powerful Ampere architecture, designed to accelerate AI inference, rendering, virtualization, and high-performance computing (HPC) workloads.
Featuring 10,752 CUDA cores, 48GB of ECC GDDR6 memory, and third-generation Tensor Cores, the A40 delivers exceptional performance for enterprises looking to scale AI, visualization, and compute operations. With passive cooling and PCIe Gen4 support, it’s engineered for reliability and efficiency in modern data centers.
NVIDIA A40 Specifications
GPU Architecture: NVIDIA Ampere
CUDA Cores: 10,752
Tensor Cores: 336 (3rd generation)
RT Cores: 84 (2nd generation)
Memory: 48GB GDDR6 with ECC
Memory Interface: 384-bit
Memory Bandwidth: 696 GB/s
Interface: PCIe Gen4 ×16
NVLink: Two-way NVLink (up to 112.5 GB/s bidirectional)
Power Consumption: 300W (passive cooling)
Form Factor: Dual-slot, full-height design
FP32 Compute Performance: Up to 37.4 TFLOPS
Optimized for AI, Rendering & Professional Visualization
The NVIDIA A40 GPU combines the power of data center compute with advanced graphics capabilities, making it one of the most versatile GPUs in the Ampere lineup.
AI & Machine Learning: Accelerate training, inference, and simulation workloads with Tensor Core acceleration.
Rendering & Visualization: Supports real-time ray tracing and professional visualization for 3D design, CAD, and digital twins.
HPC & Simulation: Ideal for compute-intensive scientific and engineering workloads requiring sustained performance.
Virtual Workstations: Supports NVIDIA vGPU technology for remote collaboration, enabling multiple users per GPU.
Scalability: NVLink support allows multiple A40 GPUs to work together, increasing total memory and throughput.
With its combination of Tensor, RT, and CUDA cores, the NVIDIA A40 GPU offers both performance and flexibility - making it a top choice for AI developers, 3D artists, and enterprise IT teams.
Deployment & Integration
The A40 48GB PCIe GPU is designed for server and data center integration, featuring a passive thermal design optimized for high-density environments. Systems must provide sufficient airflow and 300W power per GPU for optimal operation.
The card integrates seamlessly with the NVIDIA AI Enterprise software suite - including CUDA, cuDNN, TensorRT, and Omniverse - to deliver consistent performance across AI, rendering, and simulation workloads.
It’s compatible with both PCIe Gen4 and Gen3 platforms, ensuring flexible deployment across existing infrastructure.
Why Choose the NVIDIA A40 for Your Data Center
The NVIDIA A40 GPU offers a unique balance of performance, efficiency, and scalability, making it ideal for:
- AI model training and inference
- HPC and simulation workloads
- Rendering and digital content creation
- Virtual desktop infrastructure (VDI) and cloud visualization
Whether you’re building an AI compute cluster, rendering farm, or enterprise virtualization platform, the A40 delivers dependable performance for continuous workloads.
Conclusion
The NVIDIA A40 (R7E31A) 48GB PCIe GPU is a versatile accelerator that brings Ampere architecture performance to a wide range of professional and enterprise workloads. With powerful Tensor Core acceleration, large 48GB memory, and server-grade reliability, it enables organizations to run demanding AI, rendering, and compute tasks with confidence.
Get Expert Guidance on the NVIDIA A40
Our experts are ready to help you integrate the NVIDIA A40 into your next AI or data center project - from single GPU deployments to multi-GPU configurations.
Get in touch with us here or explore our NVIDIA GPU collection here.
