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Xeon Platinum 8176M provides massive compute headroom.
878666-B21
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HPE ML350 Gen10 8176M Xeon-P Kit
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Name:
878666-B21
- Description:
- HPE ML350 Gen10 8176M Xeon-P Kit
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- Hpe
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878666-B21 Overview
878666-B21 is an Intel processor from the Intel 12th Gen series that utilizes the Alder Lake architecture with an LGA 1700 socket. It features 12 cores and 20 threads with a base clock speed of 3.6 GHz, a maximum boost clock speed of 4.9 GHz, 12 MB of L2 cache and 25 MB of L3 cache, a thermal design power of 125W, integrated Intel UHD Graphics 770, and supports both DDR4 and DDR5 memory through dual-channel configurations.
This model is engineered for high-performance desktop applications including gaming, workstation tasks, and server-like workloads. It supports PCIe 5.0, is unlocked for overclocking, and is compatible with premium Intel chipsets ensuring versatile platform compatibility and robust performance across a variety of computing environments.
878666-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 878666-B21 for additional pricing. Browse the full Hpe Ml350 Server Processors series or explore all Hpe products.
878666-B21 Specifications
- Weight
- N/A
- Width
- 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
- Virtualization Support
- Intel VT-x
- TDP
- 125W
- Cooler Included
- No
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Security Features
- None
- Instruction Set Extensions
- AVX2
- Overclocking Support
- Yes
- Integrated Graphics
- Intel UHD Graphics 770
- Unlocked
- Yes
- Memory Type Support
- DDR4 & DDR5
- Base Clock
- 3.6
- Graphics Base Frequency
- 350
- Generation
- Intel 12th Gen
- Architecture
- Alder Lake
- Cores
- 12
- Threads
- 20
- Max Boost Clock
- 4.9
- L2 Cache
- 12
- Graphics Max Dynamic Frequency
- 1200
- Product Name
- Intel Core i7-12700K
- Height
- 1.48 inches
- L3 Cache
- 25
- Depth
- 0.16 inches
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 878666-B21 |  866530-L21 |  866540-L21 |  801259-L21 |  801226-L21 | |
|---|---|---|---|---|---|
| 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 | DDR5 | DDR4 & DDR5 | DDR5 | DDR5 |
| Generation | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen |
| Architecture | Alder Lake | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake |
| ECC Support | No | No | No | No | No |
| Security Features | None | SGX | SGX | N/A | None |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Instruction Set Extensions | AVX2 | AVX2 | AVX-512 | AVX2 | AVX2 |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Cores | 12 | 8 | 8 | 8 | 8 |
| Threads | 20 | 16 | 16 | 16 | 16 |
| Base Clock | 3.6 | 3.6 GHz | 3.6 GHz | 3.6 GHz | 3.2 |
| Max Boost Clock | 4.9 | 5.0 GHz | 5.0 GHz | 5.0 GHz | 4.8 |
| Overclocking Support | Yes | Yes | Yes | Yes | No |
| L2 Cache | 12 | 4 MB | 4 MB | 4 MB | 4 |
| L3 Cache | 25 | 16 MB | 16 MB | 16 MB | 12 |
| TDP | 125W | 125W | 95W | 125W | 65W |
| 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 | 300 MHz | 350 MHz | 300 MHz | 300 |
| Graphics Max Dynamic Frequency | 1200 | 1100 MHz | 1100 MHz | 1050 MHz | 1150 |
| 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 | No |
| Cooler Included | No | No | No | No | No |
| Use Case | Gaming | Gaming / Workstation | Gaming / Workstation / General Use | Gaming | Gaming |
| Product Name | Intel Core i7-12700K | Intel Core i7-866530-L21 | Intel Core i7-866540-L21 | 801259-L21 | Intel Core i7-801226-L21 Processor |
| Height | 1.48 inches | 1.5 inches | 1.48 inches | 0.6 inches | 1.5 |
| Width | 1.48 inches | 2.0 inches | 1.48 inches | 1.5 inches | 1.5 |
| Depth | 0.16 inches | 1.0 inches | 0.17 inches | 1.5 inches | 0.2 |
| Weight | N/A | 0.5 lbs | 0.3 lbs | 0.2 lbs | 0.3 |
Reviews & Ratings
I
Ihsan Ullah
4
Stable under continuous heavy workloads.
V
Ville Korhonen
4
Integrated easily with existing infrastructure.
A
Andrew Fletcher
5
Perfect for advanced enterprise deployments.
Z
Zain Raza
5
Reliable and powerful processor.
Questions & Answers
What is the HPE ML350 Gen10 8176M Xeon-P Kit (SKU: 878666-B21)?
The 878666-B21 kit is a dual Intel Xeon Bronze 8176M processor upgrade for HPE ProLiant ML350 Gen10 servers, offering 16 cores, 2.10 GHz base frequency, 3.70 GHz turbo, and 22 MB L3 cache.
Which CPUs are included in the 878666-B21 kit?
It includes two Intel Xeon Bronze 8176M processors, each with 16 cores, 32 threads, a 2.10 GHz base clock, up to 3.70 GHz turbo boost, and a 165 W TDP.
Is the 878666-B21 Xeon-P Kit compatible with my HPE ML350 Gen10 server?
Yes, the 878666-B21 kit is validated for HPE ProLiant ML350 Gen10 servers when system firmware and iLO are updated to the latest versions.
How do I install the Xeon-P Kit into an ML350 Gen10?
Power down the server, remove existing heat sinks, seat each LGA 3647 CPU correctly, apply thermal paste, reattach heat sinks, then update firmware via HPE SPP or iLO.
What performance improvements will I see with the 8176M Xeon-P?
You’ll gain up to 32 physical/virtual threads, enhanced multi-threading, higher memory bandwidth, and accelerated compute for virtualization, databases, and analytics.
What is the power consumption of the dual 8176M configuration?
Each Xeon Bronze 8176M has a 165 W TDP, totaling up to 330 W under maximum load; ensure adequate power supply and cooling.
Does the kit support HPE DDR4 SmartMemory?
Yes, it supports up to 3 TB of HPE DDR4 SmartMemory across 24 DIMM slots, delivering higher reliability and performance for memory-intensive applications.
Can I run virtual machines efficiently on this processor kit?
Absolutely. With 32 threads and Intel Virtualization Technology, the 8176M kit is optimized for high VM density and low overhead in hypervisor environments.
What warranty coverage comes with SKU 878666-B21?
The kit includes a 3-year limited warranty backed by HPE’s global support network, with options to extend coverage through HPE Foundation Care services.
How do I update server firmware after installing the Xeon-P Kit?
Download and apply the latest HPE Service Pack for ProLiant (SPP) or use iLO’s firmware update feature to ensure full compatibility and stability.
What cooling requirements are recommended for this dual-CPU setup?
Use HPE Gen10 validated fans in the ML350 chassis, maintain proper airflow, and monitor inlet/outlet temperatures via iLO to prevent thermal throttling.
Can I upgrade from other Xeon-P models to the 8176M?
Yes, you can upgrade older Xeon-P CPUs to the 8176M provided you update BIOS/UEFI and iLO firmware to versions that support the new processors.
What are the ideal use cases for the ML350 Gen10 with the 8176M kit?
It’s ideal for virtualization, medium-scale databases, analytics workloads, and general bare-metal applications requiring balanced compute and memory resources.
Is the 8176M Xeon-P Kit compatible with HPE OneView?
Yes, the ML350 Gen10 equipped with the 8176M processors integrates seamlessly with HPE OneView for automated infrastructure management and monitoring.
How does the Xeon Bronze 8176M compare to other Intel Xeon-P processors?
The 8176M offers a balanced 16-core count, high turbo frequencies, and robust memory support, positioning it for mainstream enterprise workloads rather than extreme high-end use cases.
Where can I purchase the HPE 878666-B21 Xeon-P Kit?
You can buy it through authorized HPE resellers, the HPE official online store, or by contacting an HPE sales representative for quotes and availability.