Intel Xeon Platinum 8558P 48-Core Processor — SRN52 (S-Spec)

The Intel Xeon Platinum 8558P (S-Spec: SRN52) is a 48-core 96-thread 5th Generation Intel Xeon Scalable processor (Emerald Rapids) at 2.7GHz base frequency with 260MB L3 cache and UPI-3 at 20GT/s on LGA4677. SRN52 is the S-Spec identifier corresponding to OEM ordering code PK8072205511500. It delivers high core density with elevated base frequency for compute-intensive enterprise HPC and AI workloads.

Key Features

• 48 cores / 96 threads — high core density with elevated base frequency
• S-Spec SRN52 — OEM tray identifier for Xeon Platinum 8558P
• 2.7GHz base frequency
• 260MB L3 cache
• UPI-3 at 20GT/s for dual-socket scaling
• Socket LGA4677 — 5th Gen Xeon Scalable platform
• Intel AMX for AI inference acceleration

Product Specifications

• Part Number: SRN52
• Manufacturer: Intel
• OEM Status: OEM Tray (S-Spec identifier)
• S-Spec: SRN52
• OEM Ordering Code: PK8072205511500
• Model: Xeon Platinum 8558P
• Generation: 5th Gen Intel Xeon Scalable (Emerald Rapids)
• Cores / Threads: 48 / 96
• Base Frequency: 2.7GHz
• L3 Cache: 260MB
• Socket: LGA4677
• UPI Speed: 20GT/s (UPI-3)

Processor Specifications

• Cores: 48
• Threads: 96
• Base Clock: 2.7GHz
• L3 Cache: 260MB
• Socket: LGA4677
• Process Node: Intel 4
• Generation: Emerald Rapids
• UPI: 20GT/s (UPI-3)
• TDP: 350W

Performance Specifications

• Memory Support: DDR5-5600 up to 12 channels per socket
• PCIe: PCIe 5.0
• AMX: Intel Advanced Matrix Extensions
• AVX-512: Yes
• Max Memory Bandwidth: Up to 537.6 GB/s per socket

Use Cases

• High-density enterprise virtualization requiring balanced core count and frequency
• HPC and scientific simulation benefiting from high base frequency
• AI inference leveraging Intel AMX with high core parallelism
• In-memory databases and analytics requiring large L3 cache
• Dual-socket deployments requiring 96 total cores at 2.7GHz

Compatibility

• LGA4677 socket — 5th Gen Intel Xeon Scalable platform servers
• Compatible with DDR5 ECC RDIMM and LRDIMM
• Verify server platform support from vendor CPU compatibility list

Frequently Asked Questions

What is an S-Spec number?

An S-Spec number like SRN52 is Intel unique identifier for a specific processor stepping used for OEM tray processors.

What is the difference between SRN52 and PK8072205511500?

SRN52 is the S-Spec tray identifier while PK8072205511500 is the OEM boxed ordering code. Both refer to the same Intel Xeon Platinum 8558P processor.

Does this support Intel AMX?

Yes it supports Intel Advanced Matrix Extensions for accelerated AI inference.

The Intel Xeon Platinum 8558P (SRN52) delivers 48 cores at 2.7GHz with 260MB L3 cache on LGA4677 — identified by S-Spec SRN52 for OEM tray deployments requiring high core density and elevated base frequency on 5th Gen Xeon Scalable platforms.