• Cisco EPYC 9555 64-core CPU chip with gold pins and silver surface
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Cisco

Cisco HCI-CPU-A9555 | EPYC 9555 | 64-core | 256MB L3 | DDR5-6000 | 360W TDP | SP5

HCI-CPU-A9555

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Description

Performance-optimized 64-core CPU with expansive 256MB L3 cache for compute-dense applications, analytics, and virtualized infrastructure. Supports DDR5-6000 and PCIe Gen5 in SP5 servers to unlock high bandwidth and fast I/O for modern data center stacks.

Features

- High core density for compute and virtualization efficiency
- DDR5-6000 for faster memory throughput
- PCIe Gen5 for high-speed NVMe, NICs, and accelerators
- Robust security and isolation for multi-tenant environments
- Optimized for modern analytics and cloud-native stacks

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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Technical Specifications

Technical Specifications

- Model: EPYC 9555
- Cores/Threads: 64 / 128
- L3 Cache: 256MB
- Memory: DDR5 up to 6000 MT/s, ECC RDIMM
- Memory Channels: Up to 12-channel DDR5 (platform dependent)
- Socket: SP5 (LGA 6096)
- TDP: 360W
- I/O: PCIe Gen5 support (lane count per platform)
- Security: AMD Infinity Guard features including SEV (platform/firmware dependent)

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