Dell Pro Max with GB300

• VRAM Capacity: 748 GB
• Memory Bandwidth: 7100 GB/s
• FP16 Performance: 5000 TFLOPS
• INT8 Performance: 330 TOPS
• GPU Architecture: Blackwell Ultra
• TDP: 1400 W
• Cooling: MaxCool Technology (Liquid-to-Air heat exchange)

The 7100 GB/s memory bandwidth is the critical spec for local LLM inference. In autoregressive generation, the speed of token production is almost entirely memory-bandwidth limited. At over 7 TB/s, the GB300 can drive token-per-second (tk/s) rates that saturate high-speed network interfaces, making it ideal for serving multiple concurrent users or complex agent loops.

Thermal management is handled by Dell’s MaxCool Technology, which is essential given the 1400W TDP. This system is designed for sustained 100% duty cycles, ensuring that performance doesn't throttle during long-running training jobs or heavy inference loads.

The Dell Pro Max with GB300 is one of the few deskside units capable of running 1T (1 trillion) parameter models. For the first time, researchers can run models of this scale locally without a rack-mounted cluster.

• Llama 3.1 405B: This model fits comfortably into the 748 GB VRAM at FP16 or BF16 precision with room to spare for massive KV caches (long context). At INT8 or 4-bit quantization, you can run multiple instances of 405B for ensemble or "mixture of agents" workflows.
• DeepSeek-R1 / V3: The 671B MoE (Mixture of Experts) architecture of DeepSeek models runs natively on this hardware. The high memory bandwidth ensures that the expert-switching overhead is negligible.
• Qwen 2.5 72B & Mistral Large: These models can be run at full precision (FP16) with extremely high throughput. Expect hundreds of tokens per second, making them suitable for real-time applications like voice-to-voice agents.
• Large-Scale Multimodal Models: The VRAM allows for processing high-resolution video frames or massive document sets through models like Pixtral or GPT-4o-class open-weights models without running out of memory during the encoding phase.

The "sweet spot" for this hardware is running FP8 or FP16 precision. While smaller hardware requires 4-bit quantization (which can lead to intelligence degradation), the GB300 has enough VRAM to maintain the higher precision levels necessary for complex reasoning tasks in agentic workflows.

The Dell Pro Max with GB300 is not a consumer gaming rig; it is a specialized tool for AI development and local production inference.

Teams building proprietary agents can use the NemoClaw integration to develop autonomous systems that interact with internal databases and tools. The local nature of the hardware ensures that sensitive enterprise data never leaves the premises, satisfying strict compliance and security requirements.

For organizations that want to avoid the "AI tax" of token-based API pricing (OpenAI, Anthropic), the Dell Pro Max acts as a localized inference node. It can serve a mid-sized engineering team's LLM needs, providing dedicated access to Llama 3.1 or DeepSeek models with zero latency spikes.

With 5000 TFLOPS of FP16 performance, this machine is a powerhouse for fine-tuning. It can handle full-parameter fine-tuning of 70B models or extensive PEFT (Parameter-Efficient Fine-Tuning) on 400B+ models, allowing teams to specialize open-source models on their specific domain data.

In scenarios where cloud connectivity is intermittent or prohibited (e.g., secure research facilities, remote industrial sites), the Pro Max provides data-center-level intelligence in a form factor that can be deployed at the "edge" of the network.

When evaluating the Dell Pro Max with GB300, practitioners typically compare it against DIY multi-GPU workstations or dedicated server nodes.

The DGX Station has long been the gold standard for deskside AI, but the Pro Max with GB300 offers the newer Blackwell Ultra architecture. The Blackwell Ultra's specialized FP4 and FP8 engines provide a significant throughput advantage over the older Hopper-based DGX units. Furthermore, the Dell Pro Max's 748 GB VRAM exceeds the capacity of many standard 4x A100/H100 80GB configurations (320 GB total), making the Dell a better choice for 1T parameter models.

A DIY workstation with four RTX 6000 Ada GPUs provides 192 GB of VRAM. While this is significantly cheaper, it cannot run models like Llama 3.1 405B at high precision. The Dell Pro Max with GB300 offers nearly 4x the VRAM and significantly higher memory bandwidth (7100 GB/s vs. ~3800 GB/s for a 4-card setup). For practitioners where model scale and generation speed are the primary KPIs, the Pro Max is the clear winner despite the higher entry price.

Choose the Dell Pro Max with GB300 if:

1. You must run 1T parameter models or 400B+ models at high precision.
2. You are building autonomous agents using the NemoClaw or OpenShell stacks.
3. You require enterprise-grade support and a "production-ready" chassis with integrated cooling.
4. Your workflow is memory-bandwidth intensive, requiring the fastest possible token generation for local users.