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Connor Hughes
5
Strong performance for compute intensive tasks.
866556-B21
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HPE ML350 Gen10 6140M Xeon-G Kit
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866556-B21
- Description:
- HPE ML350 Gen10 6140M Xeon-G Kit
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866556-B21 Overview
866556-B21 is an Intel Core processor from the Intel 13th Gen family built on the Raptor Lake architecture and designed for the LGA 1700 socket. It features 24 cores and 32 threads, a base clock speed of 3.2 GHz that can boost up to 5.2 GHz, 32 MB of L2 cache and 36 MB of L3 cache, and a 125W TDP.
866556-B21 comes with Intel UHD Graphics 770 offering a base frequency of 350 MHz and a max dynamic frequency of 1200 MHz. It supports DDR4 & DDR5 memory across dual channels and features PCIe 5.0 connectivity, overclocking support, and compatibility with high-performance desktop chipsets for gaming, workstation, and general overclocking use.
866556-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 866556-B21 for additional pricing. Browse the full Hpe Ml350 Server Processors series or explore all Hpe products.
866556-B21 Specifications
- Product Type
- Processors
- Brand
- Intel
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR4 & DDR5
- Generation
- Intel 13th Gen
- Architecture
- Raptor Lake
- ECC Support
- No
- Security Features
- None
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX-512
- Virtualization Support
- Intel VT-x
- Cores
- 24
- Threads
- 32
- Base Clock
- 3.2
- Max Boost Clock
- 5.2
- Overclocking Support
- Yes
- L2 Cache
- 32
- L3 Cache
- 36
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350
- Graphics Max Dynamic Frequency
- 1200
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i9-866556-B21
- Height
- 1.5 inches
- Width
- 1.5 inches
- Depth
- 0.125 inches
- Weight
- 0.6 lbs
866556-B21 Use Case
Enterprise Virtualization with HPE ML350 Gen10 6140M Xeon-G Kit
A financial services firm deploys the 866556-B21 HPE ML350 Gen10 equipped with dual 6140M Xeon-G processors to consolidate 100+ Windows and Linux VMs on a single chassis. Through Intel® Hyper-Threading and HPE SmartMemory, the solution delivers 3× higher VM density, reducing rack space by 60%, cutting OPEX, and ensuring 99.99% uptime for critical trading platforms.
Real-Time Data Analytics for E-Commerce Platforms
A global e-retailer uses the ML350 Gen10 6140M Xeon-G Kit to power its in-memory database cluster for personalized recommendation engines. High-performance DDR4 memory and 20 cores per socket accelerate query throughput by 45%, enabling sub-second product suggestions during peak traffic and boosting conversion rates by 12%.
Edge Computing and Predictive Maintenance in Manufacturing
An automotive OEM integrates HPE ML350 Gen10 servers with 6140M Xeon-G processors on factory floors to analyze IoT sensor streams in real time. Low-latency processing at the edge leverages 64 GB memory per node to run AI-driven anomaly detection, reducing unplanned downtime by 30% and saving $500K annually in maintenance costs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 866556-B21 |  878657-L21 |  866538-L21 |  878656-L21 |  866534-L21 | |
|---|---|---|---|---|---|
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Brand | Intel | Intel | Intel | Intel | AMD |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | AMD Ryzen |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Type Support | DDR4 & DDR5 | DDR5 | DDR4 & DDR5 | DDR5 | DDR5 |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Ryzen 7000 Series |
| Architecture | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake | Zen 4 |
| ECC Support | No | No | No | No | No |
| Security Features | None | None | None | None | None |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | AM5 |
| Instruction Set Extensions | AVX-512 | AVX2 | AVX2 | AVX2 | AVX2 |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | AMD-V |
| Cores | 24 | 8 | 8 | 8 | 8 |
| Threads | 32 | 16 | 16 | 16 | 16 |
| Base Clock | 3.2 | 3.6 | 3.2 GHz | 3.6 | 4.5 |
| Max Boost Clock | 5.2 | 5.0 | 4.8 GHz | 5.0 | 5.4 |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 32 | 4 | 4 MB | 4 | 8 |
| L3 Cache | 36 | 24 | 16 MB | 16 | 32 |
| TDP | 125W | 125W | 125W | 125W | 105W |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | None |
| Graphics Base Frequency | 350 | 350 | 350 MHz | 350 | N/A |
| Graphics Max Dynamic Frequency | 1200 | 1100 | 1200 MHz | 1100 | N/A |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 |
| Unlocked | Yes | Yes | Yes | Yes | Yes |
| Cooler Included | No | No | No | No | No |
| Use Case | Gaming | Gaming | Gaming | Gaming / Workstation | Gaming |
| Product Name | Intel Core i9-866556-B21 | 878657-L21 | Intel Core i7-13700K | 878656-L21 | AMD Ryzen 7 7700X |
| Height | 1.5 inches | 0.5 | N/A | N/A | N/A |
| Width | 1.5 inches | 0.5 | N/A | N/A | N/A |
| Depth | 0.125 inches | 0.5 | N/A | N/A | N/A |
| Weight | 0.6 lbs | 0.3 | N/A | N/A | N/A |
Reviews & Ratings
M
Muzammil Khan
4
System stability has been excellent.
P
Per Lundgren
4
Installation was smooth and quick.
L
Luke Newman
5
Ideal for virtualization environments.
A
Adnan Yousaf
5
Predictable Gen10 performance.
Questions & Answers
What does the HPE ML350 Gen10 6140M Xeon-G Kit (SKU: 866556-B21) include?
The kit includes one Intel Xeon Silver 6140M processor, thermal solution, alignment tool, and installation guide for HPE ML350 Gen10 servers.
Is the 866556-B21 kit compatible with all HPE ML350 Gen10 configurations?
Yes, the kit is fully compatible with existing HPE ML350 Gen10 platforms that support Intel Xeon Scalable processors.
How many cores and threads does the Intel Xeon Silver 6140M offer?
The Intel Xeon Silver 6140M delivers 18 cores and 36 threads, optimizing parallel workloads and virtualized environments.
What is the base and maximum turbo frequency of the Xeon 6140M?
The processor operates at a base frequency of 2.3 GHz and can turbo boost up to 3.7 GHz under dynamic thermal conditions.
What memory configurations are supported with the 6140M kit?
The kit supports up to 1.5 TB of DDR4 memory across 12 DIMM slots with speeds up to 2666 MT/s per channel.
Does the Xeon Silver 6140M support Intel Hyper-Threading and Turbo Boost technologies?
Yes, the processor features Intel Hyper-Threading for simultaneous multithreading and Intel Turbo Boost for dynamic frequency scaling.
What is the thermal design power (TDP) of this processor kit?
The Intel Xeon Silver 6140M is rated at a 205 W thermal design power, ensuring optimal balance of performance and cooling.
Can I mix the 6140M kit with other Xeon Scalable models in the same server?
No, HPE requires identical processor models, stepping, and voltage parameters for multi-CPU configurations.
What virtualization features are supported by the Xeon Silver 6140M?
The processor includes Intel VT-x and VT-d extensions, enabling efficient hardware-accelerated virtualization and I/O management.
Is remote management supported when using this processor kit?
Yes, HPE iLO 5 is fully supported for remote monitoring, firmware updates, and automated system recovery.
Which operating systems are certified for use with this kit?
The kit is certified for Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, and VMware ESXi environments.
How do I install the 6140M processor in my ML350 Gen10 server?
Power down the server, ground yourself, align the CPU to the socket guide, secure the retention arm, apply thermal paste, and reattach the heatsink.
How can I update firmware and drivers after installing the kit?
Use the HPE Service Pack for ProLiant (SPP) ISO or HPE Smart Update Manager to scan, download, and install the latest firmware and drivers.
What warranty coverage is provided with SKU 866556-B21?
The kit comes with HPE’s standard three-year limited warranty covering parts, labor, and onsite support options.
What power supplies are recommended for optimal operation?
HPE recommends dual 800 W or higher hot-plug power supplies to ensure redundancy and full performance delivery.
How does the Xeon Silver 6140M improve application performance?
With 18 cores, high memory bandwidth, and support for Intel Accelerators, the 6140M accelerates compute-intensive tasks and virtualization.
Where can I purchase the HPE ML350 Gen10 6140M Xeon-G Kit?
The kit is available through authorized HPE resellers, HPE’s official website, and global distribution partners.