Intel Xeon Gold 6558Q 32c/64t 3.2GHz-4.1GHz 350W (PK8072205500500)

Intel Xeon Gold 6558Q – High-Frequency Emerald Rapids CPU for Intensive Enterprise Workloads

The Intel Xeon Gold 6558Q is a 32-core, 64-thread processor in the Emerald Rapids family, engineered for environments where high frequency and stable multi-core throughput matter as much as raw parallelism. Operating at an unusually high 3.2 GHz base clock for a 32-core data-center CPU, the 6558Q delivers exceptional responsiveness in latency-sensitive applications. This performance profile sets it apart from the majority of mid-range Xeon Gold processors, which typically prioritize core count over per-core speed.

For organizations running complex databases, financial workloads, engineering simulations or tightly coupled HPC tasks, the 6558Q offers a compelling balance between frequency-driven single-thread strength and multi-thread scalability. Its turbo ceiling of 4.1 GHz further enhances performance under burst loads, enabling smoother transitions in distributed applications and more consistent execution times in mixed workloads.

The processor supports eight channels of DDR5 memory with speeds up to 5200 MT/s, allowing substantial improvements in memory throughput compared to earlier DDR4-based platforms. This memory architecture benefits real-time analytics, high-frequency trading infrastructure, complex modeling workloads and virtualization environments where data transfer speed directly impacts overall system efficiency. The maximum supported memory capacity of 4 TB per socket makes the 6558Q suitable for handling in-memory databases or large-scale data-processing clusters.

The integrated PCIe 5.0 controller provides 80 lanes per socket, ensuring the headroom required for modern high-bandwidth accelerators, storage stacks and advanced networking. In servers configured for NVMe-heavy deployments, AI inference cards, FPGA modules or multi-NIC topologies, PCIe 5.0 bandwidth helps maintain low latency and prevent I/O congestion.

Like the rest of the Emerald Rapids series, the Xeon Gold 6558Q includes Intel AMX for AI workloads, Intel DSA for accelerating data movement, and Intel IAA for database compression enhancements. These accelerator engines reduce load on the CPU cores and improve efficiency in data-intensive environments, helping achieve consistent performance when running multiple high-demand services simultaneously.

Compared to frequency-optimized Sapphire Rapids processors such as the 6414U or 6434, the 6558Q provides a more modern memory subsystem, updated accelerator suite and improved efficiency per watt while maintaining a similar focus on frequency-first computing. It occupies a unique position in the lineup—faster than typical Xeon Gold models yet less thermally constrained than high-core-count Platinum units. This makes it a strong choice for enterprises that require both speed and predictability in multi-tenant or mission-critical workloads.

Ideal deployment scenarios include complex SQL environments, real-time decision engines, scientific applications with strong frequency dependence, 3D design systems, EDA workloads and enterprise application clusters optimized around predictable latency. In dual-socket platforms, the 6558Q scales efficiently thanks to its balanced core-to-frequency ratio and robust memory bandwidth.

Overall, the Intel Xeon Gold 6558Q offers an impressive combination of high-frequency compute, modern I/O bandwidth, strong memory performance and broad accelerator support. It is well suited for organizations modernizing their compute infrastructure with an emphasis on stability, responsiveness and sustained performance under diverse enterprise workloads.