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Rear CPU kit installed smoothly with stable performance.
873040-B21
HPE XL230k Gen10 Xeon-P 8160F Rear Kit
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Name:
873040-B21
- Description:
- HPE XL230k Gen10 Xeon-P 8160F Rear Kit
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873040-B21 Overview
873040-B21 is an Intel 13th Gen Raptor Lake processor built on a refined architecture for high-performance computing tasks. It features 8 cores and 16 threads, with a base clock speed of 3.5 GHz and a boost clock of up to 5.0 GHz, accompanied by 4 MB L2 cache and 16 MB L3 cache, a thermal design power of 125W, and integrated Intel UHD Graphics 770. This processor is engineered for efficiency and responsiveness, supporting dual-channel DDR4 & DDR5 memory, PCIe 5.0 connectivity, and unlocked overclocking on compatible LGA 1700 platforms.
873040-B21 is excellently suited for diverse use cases including gaming, workstation tasks, and overclocking scenarios. The combination of advanced instruction set extensions, robust virtualization support, and comprehensive memory and PCIe capabilities ensures versatile performance whether for demanding graphics rendering, multitasking, or high-speed computation on modern desktop systems.
873040-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 873040-B21 for additional pricing. Browse the full Hpe Apollo Servers Processors series or explore all Hpe products.
873040-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
- SGX
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX2
- Virtualization Support
- Intel VT-x
- Cores
- 8
- Threads
- 16
- Base Clock
- 3.5
- Max Boost Clock
- 5.0
- Overclocking Support
- Yes
- L2 Cache
- 4
- L3 Cache
- 16
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350
- Graphics Max Dynamic Frequency
- 1150
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i7-13700K
- Height
- 0.14
- Width
- 1.48
- Depth
- 1.48
- Weight
- 0.5
873040-B21 Use Case
Low-Latency Trading Infrastructure with HPE XL230k Rear Kit
Scenario: A global financial services firm deploys HPE XL230k Gen10 servers paired with the 873040-B21 Rear Kit to achieve sub-microsecond trade execution. By leveraging the kit’s optimized PCIe lane mapping and additional rear I/O ports, the IT team integrates ultra-low-latency network adapters directly into the server chassis. Benefit: Delivers deterministic packet delivery for high-frequency trading, reduces network hops by 30%, and secures a 0.5µs reduction in trade execution time, driving a measurable increase in trade volume and revenue.
AI Inference Cluster Performance Boost
Scenario: An enterprise AI division builds a high-density inference cluster to serve real-time computer vision workloads. Installing the 873040-B21 Rear Kit on each HPE XL230k Gen10 node enables the deployment of dual-port 25GbE network cards without compromising drive bays. Benefit: Increases aggregate network throughput by 50%, lowers inference latency by 20%, and allows seamless scaling to 200+ nodes within the existing rack footprint, accelerating model delivery and improving end-user experience.
Edge Data Center Thermal Efficiency and Uptime
Scenario: A telecom operator outfits remote edge sites with HPE XL230k Gen10 servers using the 873040-B21 Rear Kit for compact network expansion. The custom rear I/O module improves airflow management and eliminates cable congestion behind the rack. Benefit: Enhances cooling efficiency by 15%, reduces remote service calls by 40%, and maintains 99.99% uptime in harsh environmental conditions, ensuring consistent delivery of latency-sensitive 5G and IoT services.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 873040-B21 |  879577-B21 |  879577-L21 |  803304-L21 |  821791-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 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR5 |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 12th Gen |
| Architecture | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake | Alder Lake |
| ECC Support | No | No | No | No | No |
| Security Features | SGX | None | SGX | None | None |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX2 | AVX2 |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Cores | 8 | 8 | 16 | 16 | 8 |
| Threads | 16 | 16 | 24 | 24 | 16 |
| Base Clock | 3.5 | 3.6 | 3.4 GHz | 3.2 | 3.6 GHz |
| Max Boost Clock | 5.0 | 5.0 | 5.4 GHz | 5.0 | 4.9 GHz |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 4 | 4 | 16 MB | 2 | 4 MB |
| L3 Cache | 16 | 16 | 30 MB | 24 | 16 MB |
| 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 | 300 | 300 MHz | 350 | 300 MHz |
| Graphics Max Dynamic Frequency | 1150 | 1200 | 1100 MHz | 1200 | 1100 MHz |
| 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 | Gaming |
| Product Name | Intel Core i7-13700K | 879577-B21 | Intel Core i7-13700K | Intel Core i7-13700K Processor | Intel Core i7-12700K 821791-L21 |
| Height | 0.14 | 0.2 inches | 0.5 inches | 0.2 inches | 0.5 in |
| Width | 1.48 | 1.5 inches | 1.5 inches | 1.5 inches | 1.5 in |
| Depth | 1.48 | 1.5 inches | 1.5 inches | 1.5 inches | 1.5 in |
| Weight | 0.5 | 0.5 lbs | 0.3 lbs | 0.3 lbs | 0.3 lbs |
Reviews & Ratings
H
Hamza Rauf
4
Thermals remain controlled under sustained load.
S
Stefan M'ller
5
Good compatibility with XL230k Gen10 systems.
P
Peter Lawson
3
Predictable results in production environments.
O
Omar Siddiqui
4
Reliable upgrade option.
Questions & Answers
What is the HPE XL230k Gen10 Xeon-P 8160F Rear Kit (SKU 873040-B21)?
The HPE XL230k Gen10 Xeon-P 8160F Rear Kit (873040-B21) is a factory-qualified accessory that enables rear-I/O integration for the XL230k Gen10 server chassis.
Which HPE servers are compatible with SKU 873040-B21?
The 873040-B21 rear kit is compatible exclusively with HPE XL230k Gen10 server nodes populated with Intel Xeon-P 8160F processors.
What components are included in the rear kit?
Each kit contains the factory-tested rear I/O assembly, mounting brackets, captive screws, airflow channels, and detailed installation instructions.
How do I install the 873040-B21 rear kit?
Installation requires removing the server node from the sled, securing the rear-I/O assembly to the chassis backplane connectors, and fastening the included mounting screws.