HPE Intel Xeon Gold 5318S (3rd Gen) 24-Core Processor Upgrade

The HPE Intel Xeon Gold (3rd Gen) 5318S is a high-performance upgrade designed to elevate enterprise servers with unmatched multi-threaded throughput and reliable operation. With a tetracosa-core layout that spans 24 cores and 48 threads, this 3rd Generation Xeon Gold delivers robust performance for virtualization, data analytics, database workloads, and mission-critical applications. Built on a 10-nanometer process, the 5318S brings efficiency alongside power, offering a base clock of 2.10 GHz and a turbo speed reaching up to 3.40 GHz. Coupled with 36 MB of L3 cache and 64-bit processing, this SKU is engineered to handle dense workloads while maintaining responsiveness and stability in demanding data-center environments. The processor is designed to fit the Socket LGA-4189 platform and operates at a 165 W thermal envelope, ensuring sustained performance under heavy load. For businesses seeking scalable, future-proof processing within HPE ecosystems, the Xeon Gold 5318S stands out as a dependable upgrade option that unlocks new levels of processing power and efficiency.

• Uncompromising enterprise performance for virtualization, databases, and analytics. The 24-core / 48-thread design delivers strong multi-threaded throughput, enabling more virtual machines, quicker query responses, and faster data processing. With a base frequency of 2.10 GHz and a turbo boost to 3.40 GHz, you gain immediate responsiveness for both steady workloads and bursty tasks. The 36 MB of L3 cache minimizes latency for frequently accessed data, while the 64-bit architecture ensures compatibility with modern software ecosystems. Built on a 10 nm process, this Xeon Gold 5318S blends efficiency with raw horsepower, making it a compelling upgrade for HP ProLiant and other compatible servers.
• Enhanced reliability and security features for data centers. Xeon Gold processors are known for reliability, including memory protection and error detection capabilities that help safeguard critical workloads. The 5318S supports robust ECC memory configurations and enterprise-grade security features designed to shield sensitive processes from emerging threats. The combination of ECC memory support, dependable cache architecture, and enterprise-grade governance makes it suitable for workloads where uptime and data integrity are non-negotiable.
• Optimized virtualization, cloud, and AI-aware workloads. With 24 cores and 48 threads, the Xeon Gold 5318S handles dense virtualized environments and cloud-native services with ease. High core counts improve VM density, while strong single-thread performance helps latency-sensitive tasks. The 3.40 GHz turbo frequency unlocks faster context switching and improved execution of multi-threaded pipelines, supporting AI inference, analytics pipelines, and large-scale simulations in a data-center setting.
• Seamless integration within HPE server ecosystems. Specifically designed to fit the LGA-4189 socket family, the 5318S is tested for compatibility with HPE ProLiant and other HP server platforms. This means straightforward installation, validated firmware support, and streamlined firmware/BIOS updates through HP’s support channels, helping keep your infrastructure cohesive and easier to manage across the lifecycle of the hardware.
• Future-ready performance with scalable I/O and memory options. The 10 nm Xeon architecture delivers efficient power use while providing compatibility with PCIe 4.0 I/O for fast storage and peripheral throughput. For growing workloads, the large cache and architectural efficiency support expansive memory configurations, enabling better data locality and smoother performance under heavy load. This makes the Xeon Gold 5318S a solid choice for expanding data-center needs and evolving enterprise applications.

Technical Details of HPE Intel Xeon Gold (3rd Gen) 5318S

• Processor type: Intel Xeon Gold (3rd Gen) 5318S
• Cores/Threads: 24 cores / 48 threads
• Base clock: 2.10 GHz
• Max turbo frequency: 3.40 GHz
• Cache: 36 MB L3
• Lithography: 10 nm
• Socket: LGA-4189
• TDP: 165 W
• Instruction set: 64-bit
• Memory support: Support for ECC memory with multi-channel configurations; designed for high-density server memory systems
• IO and interconnect: PCIe 4.0 I/O support for faster storage and peripheral connectivity

How to install HPE Xeon Gold 5318S

Installing the HPE Xeon Gold 5318S requires careful handling to ensure proper seating, compatibility, and cooling. Follow these steps to upgrade your HP server safely and effectively:

1) Verify compatibility and prepare tools. Confirm that your HP server model supports the LGA-4189 socket and the Xeon Gold 5318S. Check HP’s official compatibility matrices and BIOS/firmware requirements for the upgrade. Gather essential tools such as an anti-static wrist strap, a small Phillips screwdriver, thermal paste (if your cooler does not include pre-applied paste), and a clean workspace.

2) Power down and discharge. Shut down the server, unplug all power sources, and wait until components have fully discharged. Ground yourself to avoid static discharge that could damage sensitive electronics. Remove the server cover for access to the motherboard and CPU socket area.

3) Remove the existing cooler and CPU (if upgrading from an older generation). If replacing an existing processor, carefully detach the CPU cooler, unplug fan cables, and release the CPU socket latch or retention lever according to your server model. Gently lift the socket to access the CPU. Carefully remove the old processor, handling it by its edges to avoid touching contact pads.

4) Install the Xeon Gold 5318S. Align the processor with the socket using the orientation notch or pin1 indicator, then place it firmly into the LGA-4189 socket. Do not force the CPU; it should seat smoothly. Lower the socket lever to lock the CPU in place. If required by your cooler setup, apply a thin, even layer of thermal paste on the CPU surface or use a cooler with pre-applied thermal interface material, then reseat the CPU cooler and secure all mounts according to the cooler’s instructions.

5) Reassemble cooling and chassis, then reconnect power. Reinstall any memory modules if you removed or rearranged DIMMs. Reconnect power, boot the server, and enter the BIOS/UEFI setup. Confirm that the system recognizes the Xeon Gold 5318S in the processor information screen and verify that memory is detected correctly. If available, enable recommended performance profiles or HP-supported BIOS settings for Xeon 5318S to optimize turbo behavior and memory addressing.

6) Update firmware and run validation tests. Install any recommended BIOS/firmware updates from HP that improve Xeon 5318S compatibility and stability. Perform a POST sanity check, followed by running a standard set of validation tests that stress CPU, memory, and cooling to ensure stable operation under load. Monitor temperatures and power using the server’s management tools to verify cooling performance remains within safe limits under sustained workloads.

7) Monitor performance after deployment. Once the system is in production, monitor CPU utilization, thermal margins, and system logs to ensure peak performance is achieved without thermal throttling. If needed, tune BIOS power and performance settings through HP’s management console to balance speed, energy use, and reliability for your specific workloads.

Frequently asked questions

Q: What is the primary advantage of upgrading to the HPE Xeon Gold 5318S?
A: The 5318S delivers a substantial increase in core count and thread density (24 cores / 48 threads) compared to many older generations, enabling greater parallelism for virtualization, analytics, and multi-user workloads. Its 2.10 GHz base clock with a turbo up to 3.40 GHz provides responsive performance for both steady-state tasks and burst workloads, while the 36 MB L3 cache reduces data access latency and improves throughput in memory-intensive applications.

Q: Is the Xeon Gold 5318S compatible with all HP servers?
A: Compatibility is specific to servers that use the LGA-4189 socket and support 3rd Gen Xeon Gold processors. Always verify with HP’s official compatibility lists and ensure your BIOS/firmware is up to date before upgrading. Some HP servers may require a BIOS update or specific memory configurations to fully leverage the processor’s capabilities.

Q: Does the 5318S support ECC memory?
A: Yes. Xeon Gold processors typically support ECC (error-correcting code) memory, which helps detect and correct data corruption in memory, improving reliability for critical workloads and data integrity in enterprise environments.

Q: What about cooling and power considerations?
A: The 5318S has a 165 W thermal design power (TDP), which means adequate cooling is essential. Ensure your server chassis and CPU cooler are rated for the TDP and that airflow is not restricted. Monitor temperatures during peak loads and adjust fan curves or cooling configurations as needed to maintain safe operating temperatures.

Q: Should I update the BIOS before or after installing the new processor?
A: It is generally recommended to update the BIOS to the latest version before or during the upgrade to ensure full compatibility with the new CPU family. After installation, verify the processor is detected correctly and apply any HP-recommended performance profiles or microcode updates provided through the HP support portal.