All modelsMODEL / FRONTIER COVERAGENvidia Blackwell Ultra B300TYPEModelSIGNALS5FIRST SEENAug 25, 2026LAST SEENOct 22, 2026ALSO KNOWN ASB300, Blackwell UltraRecent signalsIsraeli security company Lava finds 32 Nvidia Blackwell Ultra B300 chips connected to systems linked to state-owned operator China Telecom, despite US controls (Qianer Liu/The Information) Oct 22, 2026Tel Aviv-based doubleAI releases a code execution model for improving GPU and CPU performance; doubleAI raised $220M, using ~50% to buy 1,000 Nvidia B300 chips (Belle Lin/Wall Street Journal) Oct 19, 2026CAIOS Achieves 7+ GB/s per GPU on NVIDIA Blackwell Ultra | CoreWeave Sep 8, 2026AWS plans to add 2M Nvidia Blackwell Ultra, Rubin, and Rubin Ultra GPUs to its data center fleet in 2027 and 2028, in addition to 1M GPUs announced in March Aug 27, 2026Taiwan charges nine people for smuggling ‘high-end’ AI servers to China Aug 25, 2026RELATEDNvidiaAI ChipsAWSCoreWeave AI Object StorageCoreWeaveExport controlsSuper MicroALL MODELSLATEST SIGNAL