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873042-B21
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- HPE XL230k Gen10 Xeon-G 6148F Rear Kit
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3 Year Extended Warranty
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
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Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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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.
What is the price of 873042-B21?
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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
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| Architecture | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake |
| Base Clock | 3.6 GHz | 3.8 | 3.4 GHz | 3.4 GHz | 3.4 GHz |
| Brand | Intel | Intel | Intel | Intel | Intel |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Cooler Included | No | No | No | No | No |
| Cores | 8 | 16 | 16 | 16 | 16 |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Depth | 1.2 inches | 0.16 | 0.1 inches | 1.5 inches | N/A |
| ECC Support | No | No | No | No | No |
| Generation | Intel 14th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen |
| Graphics Base Frequency | 350 MHz | 350 | 350 MHz | 350 MHz | 350 MHz |
| Graphics Max Dynamic Frequency | 1.2 GHz | 1100 | 1,100 MHz | 1200 MHz | 1150 MHz |
| Height | 0.5 inches | 1.38 | 0.5 inches | 0.5 inches | N/A |
| 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 | 4 MB | 8 | 16 MB | 6 MB | 16 MB |
| L3 Cache | 12 MB | 24 | 30 MB | 24 MB | 30 MB |
| Max Boost Clock | 4.9 GHz | 5.2 | 5.4 GHz | 5.4 GHz | 5.0 GHz |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| Memory Type Support | DDR5 | DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 |
| Product Name | 873042-B21 High Performance Processor | Intel Core i7-13700K | Intel Core i7-13700K | Intel Core i7-13700K Raptor Lake Processor | Intel Core i7-13700K Processor |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | SGX | None | None | None | None |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Threads | 16 | 24 | 24 | 24 | 24 |
| Unlocked | Yes | Yes | Yes | Yes | Yes |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Weight | 0.3 lbs | 0.34 | 0.1 lbs | 0.3 lbs | N/A |
| Width | 1.2 inches | 1.38 | 0.5 inches | 1.5 inches | N/A |
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Questions & Answers
Q
What is the HPE XL230k Gen10 Xeon-G 6148F Rear Kit (873042-B21)?
A
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.
Q
Which HPE servers are compatible with the 873042-B21 Rear Kit?
A
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.
Q
What components are included in the 873042-B21 Rear Kit?
A
The kit contains the rear system board assembly, I/O shield, fan cage, cable harnesses and retaining hardware required for installation.
Q
Does the rear kit support Intel Xeon Gold 6148F processors?
A
Yes. The 873042-B21 Rear Kit is designed specifically to enable full compatibility and optimized airflow for Intel Xeon Gold 6148F CPUs.
Q
How do I install the HPE 873042-B21 Rear Kit in my XL230k Gen10?
A
Power down the server, remove existing rear modules, mount the new rear system board and fan assembly following the HPE Gen10 Service Guide, then reattach cables and power on.
Q
Is a firmware update required after installing the rear kit?
A
Yes. After installation, update the server’s System ROM and Integrated Lights-Out (iLO) firmware to the latest versions for full compatibility with the new hardware.
Q
Will the rear kit affect the server’s cooling performance?
A
No. The 873042-B21 Rear Kit is engineered to maintain optimal airflow and thermal dissipation for Xeon Gold 6148F CPUs under normal operating conditions.
Q
Can I install the rear kit without scheduling downtime?
A
No. Installation requires powering off the XL230k Gen10 server and removing the chassis from the rack, so planned maintenance downtime is necessary.
Q
Does installing the rear kit void my HPE warranty?
A
No. Using the factory-authorized 873042-B21 Rear Kit retains your original HPE warranty and support agreement, provided installation is performed per HPE guidelines.
Q
How can I confirm I have received an authentic 873042-B21 Rear Kit?
A
Verify the HPE part number 873042-B21 on the kit label, check HPE holographic seal authenticity, and confirm packaging matches HPE factory specifications.
Q
Where can I purchase the HPE 873042-B21 Rear Kit?
A
The rear kit is available through authorized HPE channel partners, HPE official e-commerce portals, or HPE Direct. Always buy from certified resellers.
Q
What is the warranty coverage for part number 873042-B21?
A
The kit carries HPE’s standard limited warranty, offering parts replacement and technical support for three years from the date of purchase.
Q
Does the rear kit include screws and mounting hardware?
A
Yes. All necessary screws, standoffs and mounting brackets are included to ensure a secure, tool-free installation.
Q
Can I upgrade an existing XL230k Gen10 to support future Xeon processors using this kit?
A
No. The 873042-B21 Rear Kit is specific to Xeon Gold 6148F. For other CPUs, consult HPE’s hardware compatibility matrix for the correct upgrade kit.
Q
Where do I find detailed installation instructions for the rear kit?
A
Refer to the HPE ProLiant XL230k Gen10 Server Maintenance and Service Guide available on HPE’s Support Center for step-by-step installation procedures.
