Arista 7280R 7280CR3-32D4 vs Juniper MX Series MX304
Side-by-side specifications from the vendors' own documents. The Arista 7280CR3-32D4 is a 2U high-density 400GbE deep-buffer spine router and switch powered by dual Jericho 2 silicon. The Juniper MX304 is a 2U modular universal routing platform powered by custom Juniper Trio 6 ASIC silicon, delivering 4.8 Tbps of full-duplex forwarding capacity.
| Arista 7280R 7280CR3-32D4 | Juniper MX Series MX304 | |
|---|---|---|
| Brand | Arista | Juniper |
| Status | current | current |
| Released | Jun 2020 | Mar 2022 |
| Form factor | 2U fixed switch | 2U modular router |
| Ports | 32x 400G QSFP-DD and 4x 100G QSFP28 ports | — |
| Switching capacity | 25.6 Tbps / 10.6 Bpps | — |
| Buffer | HBM deep packet buffer pool with Virtual Output Queueing | — |
| Security | Line-rate MACsec-256 on all 400G and 100G ports | Hardware-accelerated line-rate MACsec AES-256 link encryption |
| Form factor | 2U rack mount | 2U compact modular chassis with front-to-back airflow |
| Throughput | — | 4.8 Tbps full-duplex system forwarding capacity |
| Silicon | — | Juniper Trio 6 7nm programmable packet processing ASICs |
| Line cards | — | 2x modular line card bays supporting 100GbE and 400GbE interfaces |
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