Palo Alto PA-400 Upgrade Guide
Maximize the performance and lifespan of your PA-400 (PA-400). Every upgrade option below is verified compatible.
Verified Specifications
| Processor Options | PA-410 to PA-460: firewall 1.4-4.2 Gbps, Threat Prevention 0.8-3.0 Gbps |
| Power Supply Options | Fanless; optional redundant PSU; 17-212W |
| Networking Options | 7-8x 1G RJ45; SFP combo, PoE, 5G module on select models |
| Specification Source | Palo Alto official documentation (verified 2026-07-02) |
About the PA-400
Palo Alto PA-400 Series Branch Firewall
Technical specifications
| Generation | PA-400 |
|---|---|
| Device type | Security |
Recommended upgrade strategy
Security appliances like the PA-400 upgrade via subscription tier increases, additional interface modules, redundant PSU additions, and SSD storage expansion for log retention. ICD supports Palo Alto PA-400 with both OEM and third-party hardware sourcing.
ICD Palo Alto expertise
ICD maintains Palo Alto parts inventory and engineering expertise — submit your Palo Alto PA-400 configuration via RFQ for tailored upgrade recommendations covering memory, storage, network adapters, controllers, and power supplies.
Upgrade categories ICD can quote for the PA-400
Even when our database does not yet list specific compatible parts for the PA-400, ICD engineering team sources verified-compatible components across these categories. Submit a quote request with your current configuration:
- Memory — DDR3, DDR4, DDR5 RDIMM, LRDIMM, ECC SO-DIMM modules at maximum supported capacity
- Storage — Enterprise SSDs (SAS, SATA, NVMe), HDDs (NL-SAS, SAS 10K/15K RPM), and tape generations
- RAID and HBA controllers — Hardware RAID, JBOD passthrough, fabric attach, with cache battery
- Network adapters — 1GbE, 10GbE, 25GbE, 40GbE, 100GbE NICs plus SFP+ and QSFP transceiver modules
- Power supplies — Redundant hot-swap PSUs in matching wattage and connector specification
- CPUs — Intel Xeon Scalable and AMD EPYC where socket-compatible with this platform
- GPUs — NVIDIA Tesla, A-series, and RTX A-series for compute and visualization workloads
- Accessories — Bezels, mounting rails, drive caddies, cooling fans, and chassis hardware
Get a tailored upgrade quote for your PA-400
Tell us your current configuration, target workload, and timeline. ICD engineers respond within 4 business hours with a verified-compatible upgrade plan.
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