Cisco Nexus 9332D-GX2B 与 NVIDIA Spectrum-3 SN4700 对比
源自厂商官方文档的规格并排对比。 Cisco Nexus 9332D-GX2B是一款紧凑型1U 400GbE数据中心Spine和Leaf交换机，搭载Cisco Cloud Scale GX2芯片。 NVIDIA Spectrum-3 SN4700是一款1U超大规模Spine和Leaf交换机，提供32个400GbE QSFP-DD端口。
| Cisco Nexus 9332D-GX2B | NVIDIA Spectrum-3 SN4700 | |
|---|---|---|
| 品牌 | Cisco | NVIDIA |
| 状态 | current | current |
| 发布日期 | 2022年6月 | 2020年4月 |
| 外形规格 | 1U fixed switch | 1U fixed switch |
| 端口 | 32x 400G QSFP-DD ports (backward compatible with 100G/200G) | 32x 400GbE QSFP-DD ports (backward compatible with 100GbE QSFP28) |
| 交换容量 | 25.6 Tbps bidirectional bandwidth | 12.8 Tbps / 8.4 Bpps wire-speed forwarding performance |
| 转发吞吐量 | Up to 5.7 Bpps | — |
| 外形规格 | 1U rack mount | — |
| 安全性 | Line-rate MACsec-256 encryption standard across all ports | — |
| 工作负载 | Artificial intelligence clusters, cloud spine layers, and 400G datacenter fabrics | — |
| 延迟 | — | Under 400 nanoseconds low cut-through latency |
| 芯片 | — | NVIDIA Spectrum-3 ASIC with RoCE v2 congestion management |
| 散热 | — | High-efficiency redundant hot-swappable fans and power modules |
购买或出售Nexus 9332D-GX2B或Spectrum-3 SN4700？
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