juniper QFX Series QFX5210-64C vs NVIDIA Spectrum-2 SN3800
Side-by-side specifications from the vendors' own documents. The Juniper QFX5210-64C is a 2U high-density 100GbE datacenter spine switch powered by Broadcom Tomahawk 2 silicon. The NVIDIA Spectrum-2 SN3800 is a 2U high-density datacenter spine switch providing 64 ports of 100GbE QSFP28 (or 32 ports of 200GbE QSFP56).
| juniper QFX Series QFX5210-64C | NVIDIA Spectrum-2 SN3800 | |
|---|---|---|
| Brand | juniper | NVIDIA |
| Status | current | current |
| Released | Oct 2017 | Mar 2019 |
| Form factor | 2U fixed switch | 2U fixed switch |
| Ports | 64x 40G/100G QSFP28 ports | 64x 100GbE QSFP28 ports (or 32x 200GbE QSFP56 ports) |
| Switching capacity | 12.8 Tbps / 4.2 Bpps wire-speed forwarding performance | 12.8 Tbps / 8.33 Bpps forwarding capacity |
| Silicon | Broadcom Tomahawk 2 packet processing engine | — |
| Fabric scale | High-density spine for 25G/100G Clos networks supporting up to 256x 25GbE links | — |
| Redundancy | Dual redundant hot-swappable AC or DC power supplies and hot-swappable fan trays | — |
| Form factor | — | 2U rack enclosure with front-to-back or back-to-front cooling |
| Buffer | — | 42 MB fully shared dynamic packet buffer |
| Power supplies | — | Dual redundant hot-swappable AC or DC power supplies |
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