870968-L21 HPE Intel Xeon Gold 6138 20 Core 2.00GHz 10.40GT/s UPI 27.5MB L3 Cache Socket Processor.

870968‑L21 HPE Intel Xeon Gold 6138: Enterprise‑Grade Compute Module

Welcome to the elite tier of server-grade processing components. The 870968‑L21 HPE Intel Xeon Gold 6138 processor kit—a high-capacity, hexa-channel, 20‑core powerhouse—is meticulously engineered to elevate performance in HPE ProLiant DL360 Gen10 environments.

Core Architecture & Processing Prowess

• 20 physical cores (Icosa-core): Guarantees multithreaded strength and parallel processing excellence. :contentReference[oaicite:0]{index=0}
• 40 simultaneous threads: Hyper-Threading doubles computational threads for increased concurrency. :contentReference[oaicite:1]{index=1}
• Base frequency of 2.00 GHz: Offers a power-efficient and stable baseline for enterprise workloads. :contentReference[oaicite:2]{index=2}
• Turbo Boost to 3.70 GHz: Provides dynamic acceleration for bursting and intensive tasks. :contentReference[oaicite:3]{index=3}

Cache & Interconnect Matrix

• 27.5 MB L3 Smart Cache: Shared cache lowers latency and accelerates throughput. :contentReference[oaicite:4]{index=4}
• 20 MB L2 cache: Adds an additional performance layer to complement the core execution. :contentReference[oaicite:5]{index=5}
• 10.4 GT/s UPI (Ultra Path Interconnect): Ensures rapid communication among multiple CPUs in clustered configurations. :contentReference[oaicite:6]{index=6}

Power Envelope & Thermal

• 125 W TDP: Delivers efficiency for high-demand applications while managing cooling. :contentReference[oaicite:9]{index=9}
• Thermal rating around 86 °C: Maintains safe operation under continuous compute loads. :contentReference[oaicite:10]{index=10}

Memory Subsystem & Expandability

• Supports up to 768 GB DDR4 ECC: Ideal for virtualization, memory-intensive analytics, and large-scale databases. :contentReference[oaicite:11]{index=11}
• Hexa-channel memory architecture: Delivers higher aggregated bandwidth and improved latency. :contentReference[oaicite:12]{index=12}
• Supports 2666 MHz DDR4 SDRAM: Balances speed with system stability. :contentReference[oaicite:13]{index=13}

Instruction & Security Enhancements

• AVX, AVX‑2, AVX‑512 support: Enables advanced parallel and vector workloads such as HPC and AI. :contentReference[oaicite:14]{index=14}
• Intel Turbo Boost Technology 2.0: Provides dynamic clock scaling when thermal and power conditions allow. :contentReference[oaicite:15]{index=15}
• Hyper‑Threading Technology: Doubles thread-level parallelism per core for multitasking workloads. :contentReference[oaicite:16]{index=16}
• AES‑NI, Trusted Execution, Intel Speed Shift, TSX‑NI: Secure, fast, and virtualization-friendly instruction sets for trusted enterprise computing. :contentReference[oaicite:17]{index=17}
• Execute Disable Bit & Intel 64 + virtualization extensions: Enhance protection and support 64-bit server OS and virtualization stacks. :contentReference[oaicite:18]{index=18}

Compatibility & Use Case Spectrum

Optimized for HPE ProLiant DL360 Gen10 Ecosystem

Engineered especially for the ProLiant DL360 Gen10 server line, the 870968‑L21 module fits seamlessly in rack-mounted workloads, delivering reliability and strong integration. :contentReference[oaicite:19]{index=19}

Broader Platform Adaptation

While tailored to HPE, its socket and spec compatibility extends to other platforms utilizing LGA3647 sockets—commonly used in advanced server motherboards. :contentReference[oaicite:20]{index=20}

Enterprise‑Level

• High-performance computing clusters
• Virtualization infrastructures and containerized services
• Real-time analytics, AI workloads, data lakes, and large databases
• Cloud hosting and large‑scale business systems

Upgradability, Refurbishment & Eco‑Impact

• OEM / refurbished availability: Enables environmentally conscious upgrades—cost-effective and sustainable. :contentReference[oaicite:21]{index=21}
• Extends operational life of legacy hardware: Enhances ROI and reduces electronic waste.

Differentiators & Strengths

• High core density: 20 cores per socket give a powerful compute footprint for modern workloads.
• Advanced cache hierarchy: Smart L2 and L3 caches reduce latency and improve instruction throughput.
• Memory bandwidth scaled: Hexa‑channel support unlocks speedy, high‑capacity memory access.
• Secure and scalable: Multiple security instruction sets, virtualization, and execution safeguards.
• Thermally efficient: Designed for datacenter environments with constrained thermal envelopes.

Implementation & Integration Insights

ProLiant DL360 Gen10

• Verify socket compatibility and thermal assembly alignment.
• Apply proper thermal interface compound and cooling mechanism to stay within TDP limits.
• Ensure BIOS/firmware supports Xeon Gold 6138 and update if necessary for full feature enablement.
• Enable virtualization and secure instruction extensions at the BIOS level for hypervisor workloads.

Thermal & Operational Best Practices

• Patch fans and airflow paths frequently to avoid overheating in high-density racks.
• Consider ambient datacenter air temperature—keeping it below 30 °C optimizes sustained load performance.
• Use enterprise-grade heat sinks with mounting pressure matched to LGA3647 packaging.

Payload Planning & Configuration

Ensure sufficient power delivery infrastructure—DL360 Gen10 power supplies and VRM deliver stable current. Populate memory symmetrically across six channels to unlock full memory bandwidth.

Migration Strategy for Upgrades

For organizations upgrading from older CPUs, the 870968‑L21 Xeon Gold 6138 offers a compelling refresh path—delivering enhanced core counts, memory scaling, security, and performance, with minimal platform disruption.