| Part number | Description |
|---|---|
| MX204 | MX204 chassis with 3 fan trays and 2 power supplies |
| MX204-R | MX204 chassis with 3 fan trays and 2 power supplies, R mode |
| MX204-IR | MX204 chassis with 3 fan trays and 2 power supplies, IR mode |
| JNP204-CHAS | MX204 chassis, spare |
| JPSU-650W-ACAO | MX204 AC power supply, spare |
| JPSU-650W-DCAFO | MX204 DC power supply, spare |
| JNP-FAN-1RU | MX204 fan tray |
