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Cisco UCSX-CPU-A9555 | EPYC 9555 | 64C, 3.2 GHz base, 360W TDP, 256MB L3, DDR5-6000, SP5

SKU:UCSX-CPU-A9555

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Description

Performance-focused AMD EPYC 9555 with 64 cores and a 3.2 GHz base clock for Cisco UCS X‑Series compute nodes, pairing high frequency with a 256 MB L3 cache and fast DDR5 to accelerate demanding enterprise workloads.

Features

- High base frequency 64-core CPU for latency-sensitive enterprise workloads
- 256 MB L3 cache to keep hot data close to the cores
- DDR5-6000 support for top-tier memory bandwidth
- PCIe 5.0-ready for high-performance storage and networking (platform dependent)
- Engineered for Cisco UCS X‑Series modular compute

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Is this CPU supported in my UCS X‑Series node?
A: It is intended for UCS X‑Series AMD-based nodes that list EPYC 9555 as supported. Confirm BIOS/firmware and cooling requirements.

Q: Can I pair this with another CPU in a dual-socket system?
A: Yes, if the server supports it. Both sockets must use identical CPUs with matching stepping and power class.

Q: What are the memory guidelines?
A: Use DDR5 RDIMM/3DS RDIMM. Maximum speed depends on DIMM count, capacity, and server population rules.

Q: Are additional parts required for installation?
A: A server-specific heatsink and CPU carrier may be required. Check your UCS bill of materials.

Technical Specifications

- CPU family: AMD EPYC 9004 (Genoa, Zen 4, 5 nm)
- Model: 9555
- Cores/Threads: 64/128
- Base frequency: 3.2 GHz
- L3 cache: 256 MB
- TDP: 360 W
- Memory support: 12-channel DDR5, up to 6000 MT/s (platform dependent)
- Socket: SP5 (LGA 6096)
- I/O: PCIe 5.0/CXL-capable (platform dependent)
- Platform compatibility: Cisco UCS X‑Series AMD-based compute nodes

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