DDN · DataDirect Networks
A storage vendor whose Lustre-based appliances are a standard certified hot tier in GPU-vendor reference architectures.
Current numbers
800 Gb/sBlueField-4 DPU throughput (STX storage architecture), ~6x BlueField-3 compute; WEKA/VAST/DDN platforms
~2.75M vs ~520kmetadata IOPS in two separate IO500 ISC25 (June 2025) submissions (Weka, DDN/Lustre) — different hardware, node and client counts, and tuning; a shortlisting signal, not a normalized head-to-head