Description
Intel Xeon Gold 6138 SR3B5 CPUs, 20-core 2.0GHz with 27.5MB cache. High-performance processors for servers, virtualization, and enterprise workloads.
Upgrade your data center performance with this Intel Xeon Gold 6138 SR3B5 processors. Part of Intel’s Scalable Processor family (Skylake architecture), the Xeon Gold 6138 delivers the power and scalability enterprises demand for virtualization, cloud services, HPC, and mission-critical business applications.
Featuring 20 cores and 40 threads per CPU, running at a 2.0GHz base clock (3.7GHz turbo) with 27.5MB L3 cache, the Xeon Gold 6138 provides exceptional parallel processing capabilities. With support for 6-channel DDR4 ECC Registered memory and 48 PCIe lanes, it ensures high memory bandwidth and connectivity for demanding enterprise workloads.
Optimized for multi-socket configurations and compatible with LGA3647 motherboards, these processors are a perfect fit for scaling compute-intensive tasks while maintaining energy efficiency and reliability.
This is ideal for system builders, IT refurbishers, and enterprises looking to expand or refresh their server infrastructure with high-performance CPUs.
Technical Specifications Table
| Specification | Details |
|---|---|
| Brand | Intel |
| Series | Xeon Scalable (Gold 6100 series) |
| Model | Xeon Gold 6138 |
| S-Spec | SR3B5 |
| Cores / Threads | 20 cores / 40 threads |
| Base Clock Speed | 2.0 GHz |
| Max Turbo Frequency | 3.7 GHz |
| Cache | 27.5MB L3 Cache |
| Socket Type | LGA3647 |
| Memory Support | DDR4 ECC Registered (RDIMM/LRDIMM) |
| Memory Channels | 6-channel per CPU |
| Max Memory Speed | Up to 2666 MT/s |
| TDP | 125W |
| PCI Express Lanes | 48 PCIe 3.0 |
| Architecture | Intel Skylake-SP |
| Instruction Set | 64-bit, AVX-512 |
| Virtualization | Intel VT-x, VT-d support |
| Warranty | Sold as-is (refer to store policy) |
Compatible Products
-
Chipsets / Platforms: Intel C620 chipset, LGA3647 motherboards
-
Motherboards: Supermicro, Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem (with LGA3647 support)
-
Operating Systems: VMware ESXi, Microsoft Hyper-V, Windows Server, RedHat, Ubuntu, CentOS, SUSE
-
Other Hardware: DDR4 ECC Registered memory modules, enterprise SAS/SATA/NVMe drives, PCIe storage & networking cards
Ideal Use Cases
-
Virtualization clusters (VMware, Hyper-V, KVM)
-
Enterprise databases (Oracle, SQL Server, MySQL, PostgreSQL)
-
High-performance computing (HPC) clusters
-
Cloud and hosting environments
-
AI/ML workloads requiring parallel compute power
-
Data analytics, ERP, and CRM applications
Key Features / Highlights
-
Intel Xeon Gold 6138 SR3B5 CPUs for enterprise deployments
-
20 cores / 40 threads per CPU for extreme multi-threading performance
-
2.0GHz base / 3.7GHz turbo clock speeds with 27.5MB L3 cache
-
Supports 6-channel DDR4 ECC Registered memory for high bandwidth
-
48 PCIe 3.0 lanes for connectivity and expansion
-
Compatible with LGA3647 motherboards from Dell, HPE, Lenovo, Supermicro
-
Optimized for cloud, virtualization, and mission-critical workloads
-
Reliable and efficient Skylake-SP architecture with AVX-512 support
Comparison Angle
The Xeon Gold 6138 delivers a major step up from the Xeon E5-2600 v4 series, offering more cores, higher memory bandwidth (6-channel vs 4-channel), PCIe 3.0 lane expansion, and AVX-512 support. Compared to lower-tier Xeon Silver models, the Gold 6138 offers superior scalability, faster turbo speeds, and higher cache, making it ideal for compute-heavy enterprise environments.
Cross-Sell / Upsell Suggestions
-
Compatible LGA3647 server motherboards (Supermicro, Dell, HPE)
-
DDR4 ECC Registered memory kits (64GB, 128GB, 256GB)
-
Enterprise SSDs and SAS HDDs for storage expansion
-
Intel Omni-Path / Mellanox Infiniband adapters for HPC clusters
-
Redundant power supply units and rack accessories
-
VMware, Hyper-V, or Linux OS licenses for virtualization