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Xeon Silver option performs reliably for general Gen10 workloads.
866524-B21
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HPE ML350 Gen10 4108 Xeon-S Kit
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866524-B21
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- HPE ML350 Gen10 4108 Xeon-S Kit
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866524-B21 Overview
866524-B21 is an Intel processor from the Intel 13th Gen family built on the Raptor Lake architecture and designed for the LGA 1700 socket. With 8 cores and 16 threads, it delivers a base clock speed of 3.6 GHz and can boost up to 5.0 GHz, providing efficient performance for demanding desktop applications. The processor comes with 8 MB of L2 cache and 24 MB of L3 cache, and it is engineered to operate at a thermal design power of 125W.
Designed for high-performance gaming and workstation use, 866524-B21 supports both DDR4 and DDR5 memory across dual channels and offers PCIe 5.0 connectivity. It features integrated Intel UHD Graphics 770 with a graphics base frequency of 350 MHz and a maximum dynamic frequency of 1150 MHz, while also providing overclocking capability and virtualized environments via Intel VT-x and VT-d support. This processor is compatible with modern chipsets for desktop systems, making it a solid choice for enthusiasts and professionals alike.
866524-B21 price is $764.66, a 14% saving from the Hpe list price of $889.14. 866524-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 866524-B21 for additional pricing. Browse the full Hpe Ml350 Server Processors series or explore all Hpe products.
866524-B21 Specifications
- Security Features
- N/A
- Height
- 0.14 inches
- Weight
- 0.25 lbs
- Width
- 1.48 inches
- Depth
- 1.48 inches
- ECC Support
- No
- Use Case
- Gaming
- CPU Socket
- LGA 1700
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Product Type
- Processors
- Brand
- Intel
- L3 Cache
- 24
- TDP
- 125W
- Cooler Included
- No
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Generation
- Intel 13th Gen
- Architecture
- Raptor Lake
- Cores
- 8
- Threads
- 16
- Overclocking Support
- Yes
- Integrated Graphics
- Intel UHD Graphics 770
- Unlocked
- Yes
- Memory Type Support
- DDR4 & DDR5
- Base Clock
- 3.6
- Max Boost Clock
- 5.0
- Graphics Base Frequency
- 350
- Graphics Max Dynamic Frequency
- 1150
- Virtualization Support
- Intel VT-x / Intel VT-d
- L2 Cache
- 8
- Instruction Set Extensions
- AVX / AVX2 / AVX-512
- Product Name
- 866524-B21
866524-B21 Use Case
Virtualization Consolidation in SMB Data Centers with 866524-B21 HPE ML350 Gen10 4108 Xeon-S Kit
A growing mid-market services firm deploys the 866524-B21 HPE ProLiant ML350 Gen10 with Intel Xeon Silver 4108 to consolidate 12 legacy servers onto four virtual machines running VMware ESXi. By leveraging 8 cores at 1.8 GHz and 64 GB DDR4 memory, the IT team achieves 3:1 consolidation, reduces rack space by 66%, and cuts annual power/cooling costs by 40% while maintaining 99.9% SLA uptime.
High-Performance Transactional Database Acceleration for E-Commerce Platforms
A regional online retailer integrates the 866524-B21 HPE ML350 Gen10 (Xeon-S 4108) as the primary SQL Server host to process 50M monthly transactions. With NVMe support and HPE Smart Array caching, query response times drop from 120 ms to 45 ms (62% faster), enabling flash sales with zero cart abandonment and increasing monthly revenue by 20%.
Edge Analytics & Predictive Maintenance in Manufacturing Plants
An automotive parts manufacturer installs the 866524-B21 HPE ProLiant ML350 Gen10 4108 Xeon-S Kit at multiple plant edge sites to run real-time sensor analytics and Python-based ML inference. The compact tower server processes 10k+ data points per second, triggering alerts for machine anomalies. Result: 25% reduction in unplanned downtime, a 15% boost in production throughput, and centralized monitoring via HPE iLO.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 866524-B21 |  801251-L21 |  878655-B21 |  801271-L21 |  866556-B21 | |
|---|---|---|---|---|---|
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Brand | Intel | Intel | Intel | Intel | Intel |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Type Support | DDR4 & DDR5 | DDR4 | DDR5 | DDR4 | DDR4 & DDR5 |
| Generation | Intel 13th Gen | Intel 11th Gen | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen |
| Architecture | Raptor Lake | Rocket Lake | Raptor Lake | Alder Lake | Raptor Lake |
| ECC Support | No | No | No | No | No |
| Security Features | N/A | SGX | SGX | SGX | None |
| CPU Socket | LGA 1700 | LGA 1200 | LGA 1700 | LGA 1700 | LGA 1700 |
| Instruction Set Extensions | AVX / AVX2 / AVX-512 | AVX2 | AVX2 | AVX2 | AVX-512 |
| Virtualization Support | Intel VT-x / Intel VT-d | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Cores | 8 | 8 | 8 | 8 | 24 |
| Threads | 16 | 16 | 16 | 16 | 32 |
| Base Clock | 3.6 | 3.6 GHz | 3.6 | 3.6 | 3.2 |
| Max Boost Clock | 5.0 | 5.0 GHz | 5.0 | 5.0 | 5.2 |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 8 | 4 MB | 4 | 8 | 32 |
| L3 Cache | 24 | 16 MB | 16 | 16 | 36 |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| Graphics Base Frequency | 350 | 350 MHz | N/A | 350 | 350 |
| Graphics Max Dynamic Frequency | 1150 | 1300 MHz | N/A | 1200 | 1200 |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| PCIe Version | PCIe 5.0 | PCIe 4.0 | 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 | 866524-B21 | Intel Core i7-11700K Processor (801251-L21) | Intel Core i7-13700B | Intel Core i7-12700K Processor | Intel Core i9-866556-B21 |
| Height | 0.14 inches | N/A | 0.2 inches | 0.5 inches | 1.5 inches |
| Width | 1.48 inches | 1.48 inches | 1.5 inches | 1.5 inches | 1.5 inches |
| Depth | 1.48 inches | 1.48 inches | 1.5 inches | 1.5 inches | 0.125 inches |
| Weight | 0.25 lbs | N/A | 0.3 lbs | 0.3 lbs | 0.6 lbs |
Reviews & Ratings
U
Usman Ilyas
4
Stable and predictable under daily use.
J
Johan Ekstrom
5
Quick installation and immediate system recognition.
P
Paul Grayson
4
Balanced CPU for enterprise environments.
K
Kashif Raza
4
Consistent operational performance.
Questions & Answers
What components are included in the HPE 866524-B21 Xeon-S Kit?
The kit includes an Intel Xeon Silver 4108 processor, an HPE Gen10 heatsink, mounting bracket, thermal interface material, and installation guide.
Which HPE servers are compatible with the 866524-B21 kit?
It is compatible with HPE ProLiant Gen10 servers featuring the LGA 3647 socket—such as the ML350 Gen10, DL360 Gen10, and DL380 Gen10.
What are the key specifications of the Intel Xeon Silver 4108 CPU?
It offers 8 cores and 16 threads, a base frequency of 1.8 GHz, turbo boost up to 3.0 GHz, 11 MB cache, and an 85 W TDP.
What memory configurations does the Xeon Silver 4108 support?
The CPU supports six-channel DDR4 at up to 2666 MT/s, with up to 128 GB DIMMs—capping at 768 GB per CPU or 1.5 TB in a dual-socket system.
How many CPUs can the HPE ProLiant ML350 Gen10 host?
The ML350 Gen10 supports up to two SP3 LGA3647 processors, allowing installation of two 4108 kits in a dual-socket configuration.
Does the Xeon Silver 4108 support hardware virtualization features?
Yes. It includes Intel VT-x, VT-d, VT-c, and AES-NI for robust hardware-assisted virtualization and encryption acceleration.
What is the thermal design power (TDP) of the 4108 processor?
The Intel Xeon Silver 4108 is rated at an 85 W TDP, with typical power consumption around 74 W under standard workloads.
How do I install the HPE 866524-B21 kit in my server?
Power down the server, remove the existing heatsink, seat the CPU in the LGA 3647 socket, apply the provided thermal material, secure the heatsink, then power up per the HPE installation guide.
Is a firmware or BIOS update required before installing the CPU kit?
Yes. Ensure your server is running System ROM (BIOS) v2.40 or later and the latest iLO firmware to guarantee full compatibility.
What warranty coverage comes with the HPE 866524-B21 kit?
It includes HPE’s standard one-year parts warranty, with options to extend coverage via HPE Care Pack services.
Which operating systems are supported by the Xeon Silver 4108 on HPE Gen10?
It supports Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise, and VMware ESXi on HPE ProLiant Gen10 platforms.
Can I upgrade from a previous-generation CPU to the 4108 on my Gen10 server?
Yes. Gen10 servers with an LGA 3647 socket support in-family upgrades—just update the BIOS before installing your Xeon Silver 4108.
Does the Xeon Silver 4108 support Intel Optane DC persistent memory?
No. The Intel Xeon Silver 4108 does not support Intel Optane DC persistent memory; choose a Gold or Platinum series CPU for that feature.
What workloads are best suited for the Xeon Silver 4108 processor?
It excels in virtualization, midrange databases, web services, and general-purpose applications requiring balanced multi-thread performance with moderate power use.
Are there specific thermal guidelines when using this kit?
Yes. Use only the supplied HPE Gen10 heatsink, maintain ambient temperatures below 35 °C, and ensure proper chassis airflow per HPE recommendations.
Where can I purchase the HPE 866524-B21 Xeon-S Kit?
It is available through HPE authorized resellers, the HPE Store, and certified distribution partners—availability and lead times vary by region.