The Definitive Guide toAI Data Centers
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GuideGlossaryVAST

VAST

A storage-platform vendor supplying all-flash file and object namespaces for AI clusters, and a common published source on checkpoint bandwidth requirements.

Also written as: VAST Data

Current numbers

800 Gb/sBlueField-4 DPU throughput (STX storage architecture), ~6x BlueField-3 compute; WEKA/VAST/DDN platformsas of H2 2026 · register ↗
40+ GB/sGPUDirect Storage direct-to-GPU; VAST/GDS sustains >90% of 200 Gbps line rate; 2–3x utilization lift in I/O-bound configsas of 2025 · register ↗
40+ GB/sdirect storage-to-GPU over GPUDirect Storage; VAST/GDS sustains >90% of line rate; 2–3x GPU-utilization lift in I/O-bound configsas of 2025 · register ↗

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