Articles — Basics & Business

Learn how GPU memory requirements differ between AI training and inference. Understand how model weights, KV cache, activations, gradients, optimizer states, precision, and fine-tuning methods affect the VRAM needed for your AI workload.

Learn how the lifecycle of pre-owned network equipment compares to new devices, including support timelines, hardware longevity, warranties, and end-of-support risks.

Compare Cisco Catalyst 9200L vs 9300 vs 9400 switches for enterprise access, distribution, and aggregation networks, including scalability, uplinks, PoE, routing, and modularity.

Learn Cisco Catalyst 9200L features in simple terms, including stacking, security, PoE+, VLANs, Layer 3 routing, and Network Essentials licensing for enterprise networks.

Learn how the NVIDIA H200 NVL GPU powers modern AI workloads with 141GB HBM3e memory, Hopper architecture, FP8 acceleration, NVLink scaling, and PCIe Gen 5 performance.