Unverified70% confidenceFactTime unknown
The fourth-generation NVLink in the Hopper architecture provides 900 GB/s of bandwidth.
2
Sources
70%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedNVLink 4.0 (used in the H100) can achieve a unidirectional bandwidth of 900 GB/s.78% similarVerifiedNVIDIA's NVLink chip-to-chip high-speed interconnect bandwidth can reach over 900 GB/s, building an interconnect ecosystem barrier through NVLink and NVSwitch.75% similarVerifiedNVLink 4.0 has a bidirectional bandwidth of up to 900 GB/s, while the bandwidth of a traditional PCIe bus is approximately 64 GB/s.74% similarVerifiedIn 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.72% similarUnverifiedThe fifth generation of NVLink (featured in the Blackwell architecture) offers a single-link bidirectional bandwidth of up to 1.8 TB/s.71% similar
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