Unverified50% confidenceFactExact time
单台DGX H100服务器内8块GPU的双向带宽可达900GB/s
1
Sources
50%
Confidence
Long-term
Relevance
7/25/2026
First Seen
Sources
Related Claims
VerifiedIn the H100 NVLink architecture, 8 GPUs within a single server can be fully interconnected via NVSwitch, achieving a total bandwidth of 900 GB/s, an order-of-magnitude improvement over PCIe 5.0's 64 GB/s.80% similarUnverifiedThe RTX 4090's GDDR6X memory interface bandwidth reaches up to 1008 GB/s79% similarUnverified8卡DGX B200系统的GPU间总带宽达到14.4TB/s77% similarUnverifiedNVLink 4.0 (used in the H100) can achieve a unidirectional bandwidth of 900 GB/s.75% similarVerifiedThe 3080 Ti has a memory bandwidth of 912 GB/s, far exceeding the 16–32 GB/s PCIe bus bandwidth between CPU and GPU.74% similar
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