Expired50% confidenceFactExact time
The RTX 3090 SXM4 uses the SXM4 interface to provide up to 600 GB/s of inter-GPU communication bandwidth via NVLink.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
The Complete Guide to Running GLM-5.2 Locally with 4 RTX 3090s for $4,000
bilibili程序员-智能译站6/24/2026
Related Claims
UnverifiedSXM2 版本的 V100 配备 6 条 NVLink，单条链路提供 25 GB/s 双向带宽，总双向带宽达 300 GB/s81% similarUnverifiedNVIDIA V100 的 SXM2 接口通过 NVLink 实现 GPU 间高速互联，理论带宽可达 300 GB/s81% similarUnverifiedThe RTX 4090's GDDR6X memory interface bandwidth reaches up to 1008 GB/s76% similarVerifiedThe H100 SXM5's HBM3 bandwidth is approximately 3.35 TB/s, and its FP16 peak compute is approximately 989 TFLOPS.72% similar
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