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Caleb Morris
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Rear kit fits precisely and maintains excellent airflow.
870250-B21
HPE XL230k Gen10 Xeon-P 8176 Rear Kit
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870250-B21
- Description:
- HPE XL230k Gen10 Xeon-P 8176 Rear Kit
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870250-B21 Overview
870250-B21 is an Intel processor from the Intel 13th Gen series built on the Raptor Lake architecture that delivers high-performance computing for desktop environments. It features 16 cores and 24 threads with a base clock speed of 3.2 GHz and a maximum boost clock of 5.0 GHz, backed by 2 MB of L2 cache and 24 MB of L3 cache, and is designed for the LGA 1700 socket with a thermal design power of 125W. Integrated with Intel UHD Graphics 770, it supports DDR5 memory in dual channels and benefits from PCIe 5.0 connectivity, while offering overclocking support and compatibility with modern Intel chipsets.
870250-B21 also includes key virtualization and security features such as Intel VT-x and SGX, making it suitable for demanding gaming, workstation, and overclocking applications. Its performance, paired with robust memory and graphics support, positions it as a versatile option for enthusiasts and professionals seeking cutting-edge processing power in desktop computing environments.
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870250-B21 Specifications
- Product Type
- Processors
- Brand
- Intel
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR5
- Generation
- Intel 13th Gen
- Architecture
- Raptor Lake
- ECC Support
- No
- Security Features
- SGX
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX2
- Virtualization Support
- Intel VT-x
- Cores
- 16
- Threads
- 24
- Base Clock
- 3.2 GHz
- Max Boost Clock
- 5.0 GHz
- Overclocking Support
- Yes
- L2 Cache
- 2 MB
- L3 Cache
- 24 MB
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350 MHz
- Graphics Max Dynamic Frequency
- 1350 MHz
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i9 870250-B21
- Height
- 0.5 inches
- Width
- 1.5 inches
- Depth
- 1.5 inches
- Weight
- 0.3 lbs
870250-B21 Use Case
Rack-Level Cooling & Performance Optimization with HPE XL230k Gen10 Xeon-P 8176 Rear Kit
A global financial trading firm integrates the 870250-B21 Rear Kit into HPE XL230k Gen10 servers powered by Intel Xeon-P 8176 to streamline airflow in high-density racks. By improving thermal dissipation up to 30%, CPU throttling is eliminated under sustained peaks, boosting execution speed for algorithmic trades and cutting annual cooling costs by 15%.
High-Density Virtualization & 100GbE Network Throughput Enhancement
A Managed Service Provider deploys HPE XL230k Gen10 systems with Xeon-P 8176 and the 870250-B21 Rear Kit for multi-tenant VMware clusters. Enhanced rear I/O supports native 100GbE per node, tripling network bandwidth, accelerating live-migration times by 40%, and enabling 25% higher VM density—delivering guaranteed SLAs in a smaller rack footprint.
Edge AI Inference Acceleration for Telecom 5G Deployments
A telecom operator installs HPE XL230k Gen10 Xeon-P 8176 servers with the 870250-B21 Rear Kit at edge POPs to run real-time AI inference for 5G analytics. Optimized rear chassis PCIe and NVMe pathways reduce inference latency by 20% and increase data throughput by 40%, empowering low-latency services, localized ML insights, and new monetization models.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 870250-B21 |  P01277-B21 |  872546-B21 |  879593-L21 |  879593-B21 | |
|---|---|---|---|---|---|
| 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 | DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR5 | DDR5 |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen | Ryzen 7000 Series |
| Architecture | Raptor Lake | Raptor Lake | Alder Lake | Raptor Lake | Zen 4 |
| ECC Support | No | No | No | No | No |
| Security Features | SGX | None | SGX | SGX | None |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | AM5 |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX2 | AVX2 |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | AMD-V |
| Cores | 16 | 8 | 12 | 16 | 16 |
| Threads | 24 | 16 | 20 | 24 | 32 |
| Base Clock | 3.2 GHz | 3.6 GHz | 3.6 | 3.4 | 3.6 |
| Max Boost Clock | 5.0 GHz | 5.0 GHz | 5.0 | 5.4 | 5.0 |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 2 MB | 4 MB | 12 | 16 | 8 |
| L3 Cache | 24 MB | 16 MB | 20 | 30 | 64 |
| TDP | 125W | 125W | 125W | 125W | 105W |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Radeon Graphics |
| Graphics Base Frequency | 350 MHz | 300 MHz | 350 | 350 | N/A |
| Graphics Max Dynamic Frequency | 1350 MHz | 1150 MHz | 1200 | 1300 | 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 870250-B21 | Intel Core i7-13700K | Intel Core i7-12700K | Intel Core i7-13700K - 879593-L21 | AMD Ryzen 7 879593-B21 |
| Height | 0.5 inches | 1.5 inches | 0.15 inches | 1.48 inches | 1.5 inches |
| Width | 1.5 inches | 1.5 inches | 1.77 inches | 1.48 inches | 1.5 inches |
| Depth | 1.5 inches | 0.5 inches | 1.77 inches | 0.17 inches | 1.5 inches |
| Weight | 0.3 lbs | 0.8 lbs | 0.25 lbs | 0.3 lbs | 0.5 lbs |
Reviews & Ratings
S
Shahid Nawaz
4
No alignment issues during installation.
L
Lars Pedersen
5
Build quality feels solid and durable.
J
Jonathan Reed
3
Reliable component across multiple nodes.
A
Ammar Khan
4
Meets enterprise reliability standards.
Questions & Answers
What is the HPE XL230k Gen10 Xeon-P 8176 Rear Kit (SKU 870250-B21)?
The HPE XL230k Gen10 Xeon-P 8176 Rear Kit (870250-B21) is an official HPE factory-replacement rear I/O assembly designed for ProLiant XL230k Gen10 servers populated with Intel Xeon Platinum 8176 processors.
Which server models are compatible with SKU 870250-B21?
This rear kit is compatible exclusively with HPE ProLiant XL230k Gen10 server blades populated with Intel Xeon Platinum 8176 CPUs and requiring the Gen10 rear I/O backplane.
What components are included in the rear kit?
The kit includes the rear I/O backplane, modular 1/10/25 GbE port modules, USB 3.0 and VGA connectors, a dedicated iLO management port, cable harnesses and mounting brackets.
How does the rear kit improve server performance?
By providing direct high-speed I/O channels and optimized port density, the rear kit reduces latency and maximizes bandwidth for HPC, virtualization and data-intensive workloads.