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High-frequency CPU improved response times noticeably.
873042-B21
HPE XL230k Gen10 Xeon-G 6148F Rear Kit
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873042-B21
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- HPE XL230k Gen10 Xeon-G 6148F Rear Kit
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873042-B21 Overview
873042-B21 is a high-performance Intel processor from the Intel 14th Gen lineup featuring a Raptor Lake architecture. It is designed for the LGA 1700 socket and comes with 8 cores and 16 threads, offering a base clock speed of 3.6 GHz and a maximum boost clock speed of 4.9 GHz. The processor provides 4 MB of L2 cache and 12 MB of L3 cache, paired with a thermal design power (TDP) of 125W and integrated Intel UHD Graphics 770 running at a base frequency of 350 MHz and reaching up to 1.2 GHz dynamically.
Optimized for demanding gaming, creative workloads, and workstation environments, the 873042-B21 supports DDR5 memory with a maximum capacity of 128 GB over dual channels and is compatible with PCIe 5.0. The chip includes advanced features such as AVX2 instruction set extensions, Intel VT-x virtualization support, SGX security features, and unlocked overclocking capabilities, making it an ideal choice for high-end desktop systems with chipsets like Z690 and Z790.
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873042-B21 Specifications
- Product Type
- Processors
- Brand
- Intel
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR5
- Generation
- Intel 14th 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
- 3.6 GHz
- Max Boost Clock
- 4.9 GHz
- Overclocking Support
- Yes
- L2 Cache
- 4 MB
- L3 Cache
- 12 MB
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350 MHz
- Graphics Max Dynamic Frequency
- 1.2 GHz
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- 873042-B21 High Performance Processor
- Height
- 0.5 inches
- Width
- 1.2 inches
- Depth
- 1.2 inches
- Weight
- 0.3 lbs
873042-B21 Use Case
Accelerating High-Performance Compute Clusters with Low-Latency I/O
In scientific research centers running HPE XL230k Gen10 servers for large-scale simulations, the 873042-B21 Rear Kit enables installation of dual-port 100 GbE adapters at the rear, delivering sub-microsecond latency and 200 Gb/s bi-directional bandwidth. This boost in network performance reduces job completion times by up to 25 %, supports higher node counts, and ensures real-time data analysis.
Optimizing Multi-Tenant Virtualization in Cloud Data Centers
Cloud service providers deploying HPE XL230k Gen10 nodes integrate the 873042-B21 Rear Kit to support quad 25 GbE NICs for east-west traffic. This configuration improves VM live-migration speeds by 40 %, enhances tenant isolation, and delivers up to 80 % higher throughput for microservices architectures—translating into stronger SLAs and lower operational costs.
Enhancing Distributed AI/ML Training Workloads
AI research labs using HPE XL230k Gen10 servers for GPU-accelerated model training install the 873042-B21 Rear Kit to add high-bandwidth, low-latency interconnects (RDMA over Converged Ethernet). This setup accelerates distributed gradient synchronization by 30 %, shortens time-to-accuracy for deep learning models, and scales seamlessly across multi-node clusters.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 873042-B21 |  853930-L21 |  877033-L21 |  842973-L21 |  879597-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 | DDR5 | DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 |
| Generation | Intel 14th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen |
| Architecture | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake |
| ECC Support | No | No | No | No | No |
| Security Features | SGX | None | None | 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 | 16 | 16 | 16 | 16 |
| Threads | 16 | 24 | 24 | 24 | 24 |
| Base Clock | 3.6 GHz | 3.8 | 3.4 GHz | 3.4 GHz | 3.4 GHz |
| Max Boost Clock | 4.9 GHz | 5.2 | 5.4 GHz | 5.0 GHz | 5.4 GHz |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 4 MB | 8 | 6 MB | 16 MB | 16 MB |
| L3 Cache | 12 MB | 24 | 24 MB | 30 MB | 30 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 MHz | 350 | 350 MHz | 350 MHz | 350 MHz |
| Graphics Max Dynamic Frequency | 1.2 GHz | 1100 | 1200 MHz | 1150 MHz | 1,100 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 | 873042-B21 High Performance Processor | Intel Core i7-13700K | Intel Core i7-13700K Raptor Lake Processor | Intel Core i7-13700K Processor | Intel Core i7-13700K |
| Height | 0.5 inches | 1.38 | 0.5 inches | N/A | 0.5 inches |
| Width | 1.2 inches | 1.38 | 1.5 inches | N/A | 0.5 inches |
| Depth | 1.2 inches | 0.16 | 1.5 inches | N/A | 0.1 inches |
| Weight | 0.3 lbs | 0.34 | 0.3 lbs | N/A | 0.1 lbs |
Reviews & Ratings
K
Khadija Noor
4
Stable under heavy workloads.
P
Peter Lund
5
Consistent and reliable compute output.
S
Salman Qureshi
3
Straightforward installation and immediate gains.
A
Anthony Reed
4
Solid Xeon-G processor choice.
Questions & Answers
What is the HPE XL230k Gen10 Xeon-G 6148F Rear Kit (873042-B21)?
The HPE 873042-B21 Rear Kit is a factory-authorized upgrade assembly that replaces the rear I/O and cooling modules in the ProLiant XL230k Gen10 server to support Intel Xeon Gold 6148F processors.
Which HPE servers are compatible with the 873042-B21 Rear Kit?
The 873042-B21 Rear Kit is compatible exclusively with HPE ProLiant XL230k Gen10 rack servers and is not supported on other Gen10 or Gen9 platforms.
What components are included in the 873042-B21 Rear Kit?
The kit contains the rear system board assembly, I/O shield, fan cage, cable harnesses and retaining hardware required for installation.
Does the rear kit support Intel Xeon Gold 6148F processors?
Yes. The 873042-B21 Rear Kit is designed specifically to enable full compatibility and optimized airflow for Intel Xeon Gold 6148F CPUs.