Juniper QFX Series QFX5220-128C 与 NVIDIA Spectrum-3 SN4600 对比
源自厂商官方文档的规格并排对比。 Juniper QFX5220-128C是一款超高密度4U数据中心Spine交换机,在紧凑的机架机箱内提供128个40G/100G QSFP28端口。 NVIDIA Spectrum-3 SN4600是一款2U云级Spine和Leaf交换机,提供64个100G/200G QSFP56端口(或32个400G QSFP-DD端口)。
| Juniper QFX Series QFX5220-128C | NVIDIA Spectrum-3 SN4600 | |
|---|---|---|
| 品牌 | Juniper | NVIDIA |
| 状态 | current | current |
| 发布日期 | 2019年9月 | 2020年4月 |
| 外形规格 | 4U fixed switch | 2U fixed switch |
| 端口 | 128x 40G/100G QSFP28 ports | 64x 100G/200G QSFP56 or 32x 400G QSFP-DD ports |
| 交换容量 | 25.6 Tbps / 8.4 Bpps forwarding capacity | 12.8 Tbps / 8.4 Bpps forwarding capacity |
| 外形规格 | 4U rack-mounted fixed-configuration chassis | — |
| 密度 | 128 wire-speed 100GbE ports in just 4U of rack space | — |
| 可靠性 | N+1 redundant power supplies and hot-swappable cooling modules | — |
| 芯片 | — | NVIDIA Spectrum-3 ASIC with 64 MB fully shared dynamic buffer |
| 延迟 | — | Under 400 nanoseconds low cut-through latency |
| 散热与供电 | — | Dual hot-swappable AC/DC power supplies and reversible fans |
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