Juniper QFX Series QFX5210-64C 与 NVIDIA Spectrum-2 SN3800 对比
源自厂商官方文档的规格并排对比。 Juniper QFX5210-64C是一款2U高密度100GbE数据中心主干交换机，采用Broadcom Tomahawk 2芯片。 NVIDIA Spectrum-2 SN3800是一款2U高密度数据中心主干交换机，提供64个100GbE QSFP28端口（或32个200GbE QSFP56端口）。
| Juniper QFX Series QFX5210-64C | NVIDIA Spectrum-2 SN3800 | |
|---|---|---|
| 品牌 | Juniper | NVIDIA |
| 状态 | current | current |
| 发布日期 | 2017年10月 | 2019年3月 |
| 外形规格 | 2U fixed switch | 2U fixed switch |
| 端口 | 64x 40G/100G QSFP28 ports | 64x 100GbE QSFP28 ports (or 32x 200GbE QSFP56 ports) |
| 交换容量 | 12.8 Tbps / 4.2 Bpps wire-speed forwarding performance | 12.8 Tbps / 8.33 Bpps forwarding capacity |
| 芯片 | Broadcom Tomahawk 2 packet processing engine | — |
| Fabric规模 | High-density spine for 25G/100G Clos networks supporting up to 256x 25GbE links | — |
| 冗余 | Dual redundant hot-swappable AC or DC power supplies and hot-swappable fan trays | — |
| 外形规格 | — | 2U rack enclosure with front-to-back or back-to-front cooling |
| 缓冲区 | — | 42 MB fully shared dynamic packet buffer |
| 电源 | — | Dual redundant hot-swappable AC or DC power supplies |
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