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Peter OConnell
5
Xeon 8165 delivered strong enterprise-grade performance.
879423-B21
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HPE DL380 Gen10 8165 Xeon-P Kit
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879423-B21
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- HPE DL380 Gen10 8165 Xeon-P Kit
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879423-B21 Overview
879423-B21 is the high-performance Intel Core i7-12700K processor built on the 12th Gen Alder Lake architecture featuring an LGA 1700 socket. It comes with 12 cores and 20 threads, delivering a base clock of 3.6 GHz and a maximum boost clock of 4.9 GHz. The processor includes 12 MB of L2 cache and 25 MB of L3 cache, all within a thermal design power (TDP) of 125W.
This processor integrates Intel UHD Graphics 770 with a base frequency of 350 MHz and a dynamic frequency peaking at 1300 MHz. It supports both DDR4 and DDR5 memory through dual-channel configurations and offers PCIe 5.0 connectivity. With overclocking support and compatibility with Intel 600 series chipsets, 879423-B21 is ideally suited for gaming, workstation applications, and advanced overclocking enthusiasts.
879423-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 879423-B21 for additional pricing. Browse the full Hpe Dl380 Server Processors series or explore all Hpe products.
879423-B21 Specifications
- Product Type
- Processors
- Brand
- Intel
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR4 & DDR5
- Generation
- Intel 12th Gen
- Architecture
- Alder Lake
- ECC Support
- No
- Security Features
- None
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX2
- Virtualization Support
- Intel VT-x
- Cores
- 12
- Threads
- 20
- Base Clock
- 3.6 GHz
- Max Boost Clock
- 4.9 GHz
- Overclocking Support
- Yes
- L2 Cache
- 12 MB
- L3 Cache
- 25 MB
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350 MHz
- Graphics Max Dynamic Frequency
- 1300 MHz
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i7-12700K
- Height
- 0.5 inches
- Width
- 1.2 inches
- Depth
- 1.2 inches
- Weight
- 0.5 lbs
879423-B21 Use Case
Enterprise Virtualization & VDI Consolidation
In a multinational corporation’s data center, IT deploys the 879423-B21 HPE DL380 Gen10 8165 Xeon-P Kit to upgrade ten rack servers and host 2,000 concurrent virtual desktops. This delivers 30% higher core density and 40% improved power efficiency per VM, enabling streamlined management, optimized resource utilization, and a 25% reduction in total cost of ownership.
Real-Time Financial Transaction Processing
A global bank leverages the 879423-B21 upgrade on HPE DL380 Gen10 servers to process over 1 million transactions per second with sub-millisecond latency. The 12-core Xeon-P boosts throughput by 35%, ensuring regulatory compliance, minimizing risk, and delivering seamless customer experiences during peak trading hours.
AI/ML Workload Acceleration for Retail Demand Forecasting
A leading retail chain implements the 879423-B21 Xeon-P Kit across its on-premises cluster to accelerate Python-based machine learning pipelines. This results in a 50% reduction in model training time and a 45% increase in inference throughput, driving 20% fewer stockouts and improved inventory turnover.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 879423-B21 |  817959-L21 |  869088-L21 |  873641-B21 |  P02508-L21 | |
|---|---|---|---|---|---|
| Architecture | Alder Lake | Raptor Lake | Alder Lake | Raptor Lake | Raptor Lake |
| Base Clock | 3.6 GHz | 3.4 GHz | 3.6 GHz | 3.4 GHz | 3.6 |
| Brand | Intel | Intel | Intel | Intel | Intel |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Cooler Included | No | No | No | No | No |
| Cores | 12 | 16 | 8 | 16 | 8 |
| Depth | 1.2 inches | 1.48 inches | N/A | 1.48 inches | 0.15 |
| ECC Support | No | No | No | No | No |
| Generation | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen |
| Graphics Base Frequency | 350 MHz | 350 MHz | 350 MHz | 350 MHz | 350 |
| Graphics Max Dynamic Frequency | 1300 MHz | 1650 MHz | 1100 MHz | 1300 MHz | 1200 |
| Height | 0.5 inches | 0.15 inches | N/A | 0.25 inches | 1.0 |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX2 | AVX2 |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| L2 Cache | 12 MB | 16 MB | 4 MB | 1.5 MB | 8 |
| L3 Cache | 25 MB | 30 MB | 16 MB | 30 MB | 24 |
| Max Boost Clock | 4.9 GHz | 5.4 GHz | 4.9 GHz | 5.4 GHz | 5.0 |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| Memory Type Support | DDR4 & DDR5 | DDR4 & DDR5 | DDR5 | DDR4 & DDR5 | DDR4 |
| Overclocking Support | Yes | Yes | Yes | Yes | No |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 4.0 | PCIe 5.0 | PCIe 5.0 |
| Product Name | Intel Core i7-12700K | Intel Core i7-13700K Processor (817959-L21) | 869088-L21 Processor | Intel Core i7-13700K Processor | Intel Core i7-13700 Processor (P02508-L21) |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | None | None | SGX | SGX | SGX |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 95W | 125W | 95W |
| Threads | 20 | 24 | 16 | 24 | 16 |
| Unlocked | Yes | Yes | Yes | Yes | No |
| Use Case | Gaming | Gaming / Workstation | Gaming | Gaming | Gaming |
| Virtualization Support | Intel VT-x | Intel VT-x / Intel VT-d | Intel VT-x | Intel VT-x | Intel VT-x |
| Weight | 0.5 lbs | 0.1 lbs | N/A | 0.35 lbs | 0.25 |
| Width | 1.2 inches | 1.48 inches | N/A | 1.48 inches | 1.0 |
Reviews & Ratings
N
Naveed Akhtar
4
Handled compute-intensive tasks smoothly.
J
Julian Brooks
5
Stable processor for Gen10 workloads.
F
Fahim Ullah
4
Reliable CPU for virtualization.
G
Gordon Ellis
5
Consistent results under load.
Questions & Answers
What is the HPE DL380 Gen10 8165 Xeon-P Kit (SKU 879423-B21)?
The HPE DL380 Gen10 8165 Xeon-P Kit is a factory-tested CPU upgrade kit featuring an Intel Xeon Platinum 8165 processor, heat sink, thermal interface and mounting hardware designed for HPE ProLiant DL380 Gen10 servers.
Which HPE servers are compatible with SKU 879423-B21?
The kit is fully compatible with all HPE ProLiant DL380 Gen10 models supporting the LGA3647 socket and Intel Xeon Scalable processors.
What are the key specifications of the Intel Xeon Platinum 8165 processor?
The Intel Xeon Platinum 8165 features 12 cores, 24 threads, a base clock of 2.7 GHz, Turbo Boost up to 3.7 GHz, 19.25 MB Smart Cache and a 125 W TDP.
How do I install the 8165 Xeon-P Kit in an HPE DL380 Gen10?
Power down the server, ground yourself, open the chassis, remove the existing CPU blank, align the triangle marker on the processor with the socket, secure the retention arm, install the heat sink, and update firmware via Intelligent Provisioning.
What performance improvements can I expect after upgrading to the Xeon 8165?
You can achieve up to 25% higher single-threaded performance and 40% more multi-threaded throughput versus previous-generation CPUs, improving virtualization and database workloads.
Does the kit include a heat sink and thermal interface material?
Yes, the kit ships with an HPE-approved heat sink and pre-applied thermal interface material to ensure proper thermal conductivity and warranty compliance.
What memory types and speeds are supported with the Xeon Platinum 8165?
The processor supports HPE DDR4 SmartMemory up to 2666 MT/s per DIMM, with a maximum capacity of 1.5 TB per socket across 24 DIMM slots.
Is the Xeon-P Kit suitable for virtualization and container workloads?
Yes, the Xeon Platinum 8165 offers Intel VT-x, VT-d and Turbo Boost technologies, delivering optimized performance for virtual machines and containerized applications.
What is the power consumption of the Intel Xeon 8165 processor?
The Xeon Platinum 8165 has a Thermal Design Power (TDP) of 125 W; HPE recommends at least an 800 W redundant power supply for dual-socket configurations.
How many cores and threads does the Xeon Platinum 8165 provide?
The processor delivers 12 physical cores and 24 concurrent threads to accelerate parallel processing and multi-tasking workloads.
Can I use the 8165 Xeon-P Kit in a multi-socket configuration?
Yes, the kit supports dual-socket operation in HPE ProLiant DL380 Gen10 servers, enabling up to 24 cores and 48 threads per system.
What warranty coverage does HPE provide for this kit?
HPE offers a three-year limited warranty with global support, covering parts, labor and next-business-day onsite response.
How do I update firmware and drivers to optimize the CPU performance?
Download and install the latest HPE Service Pack for ProLiant (SPP) and use Intelligent Provisioning to update System ROM, firmware and drivers to the recommended versions.
What cooling requirements should I consider after installation?
Ensure adequate front-to-rear airflow, maintain ambient temperatures below 35 °C and use HPE high-performance fans as specified in the server guide.
Where can I purchase an authentic 879423-B21 CPU kit?
Purchase through authorized HPE channel partners, the HPE Store or HPE’s official e-commerce site to guarantee genuine parts and warranty coverage.
Are there recommended BIOS settings for the Xeon-P Kit?
Enable Intel Hyper-Threading, Turbo Boost and Performance Mode in BIOS, and disable unnecessary C-states for consistent high-performance workloads.
How does the Xeon Platinum 8165 differ from the 8100 series processors?
Compared to the 8100 series, the 8165 offers higher clock speeds, larger cache, improved memory bandwidth and advanced security features such as Intel Crypto Acceleration.