Verified65% confidenceFactExact time
The GB300 is NVIDIA's flagship data center chip in the Blackwell Ultra series, integrating HBM3e memory with a single-card capacity of 288 GB.
3
Sources
65%
Confidence
Long-term
Relevance
7/10/2026
First Seen
Sources
Grok 4.5 Deep Dive: Coding on Par with Top Models, at a Fraction of the Cost
youtubeTheo - t3․gg7/9/2026
Related Claims
Unverified英伟达GB300是Blackwell架构旗舰计算卡，单卡HBM3e显存高达288GB83% similarVerifiedThe GB300 integrates HBM3e high-bandwidth memory, with a single-card capacity of up to 288GB and memory bandwidth exceeding 10TB/s79% similarUnverifiedNVIDIA's GB300 is the flagship of the Blackwell Ultra architecture, with a single chip featuring 288 GB of HBM3e memory capacity and total memory bandwidth exceeding 16 TB/s, an improvement of nearly 5× over the H100's 3.35 TB/s.78% similarUnverifiedThe GB300 is an NVIDIA hardware product for high-performance computing.75% similarVerifiedA single NVIDIA A100 card has 80GB HBM2e memory and 312 TFLOPS of FP16 computing power73% similar
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