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Name:
866558-B21
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- HPE ML350 Gen10 6142 Xeon-G Kit
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3 Year Extended Warranty
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
866558-B21 Overview
866558-B21 is an Intel 13th Gen Raptor Lake processor designed for high-performance desktop applications. It features 8 cores and 16 threads, operating at a base clock of 3.6 GHz and reaching boost speeds of up to 5.0 GHz. With 4 MB of L2 cache and 16 MB of L3 cache, it delivers robust computational performance while maintaining a TDP of 125W. The processor supports DDR5 memory in dual channels and incorporates PCIe 5.0 connectivity for high-speed data transfer.
866558-B21 comes equipped with integrated Intel UHD Graphics 770, offering a graphics base frequency of 300 MHz and a maximum dynamic frequency of 1100 MHz. The processor is unlocked for overclocking and is compatible with LGA 1700 socket platforms, making it ideal for gaming, workstation, and overclocking use cases. Its design is optimized for modern chipsets, ensuring a balanced performance for diverse computing needs.
What is the price of 866558-B21?
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866558-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 | 8 |
| Threads | 16 |
| Base Clock | 3.6 GHz |
| Max Boost Clock | 5.0 GHz |
| Overclocking Support | Yes |
| L2 Cache | 4 MB |
| L3 Cache | 16 MB |
| TDP | 125W |
| Integrated Graphics | Intel UHD Graphics 770 |
| Graphics Base Frequency | 300 MHz |
| Graphics Max Dynamic Frequency | 1100 MHz |
| Memory Channels | Dual |
| PCIe Version | PCIe 5.0 |
| Unlocked | Yes |
| Cooler Included | No |
| Use Case | Gaming |
| Product Name | Intel Core i7-13700K (866558-B21) |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
866558-B21 Use Case
Enterprise Virtualization and Cloud Consolidation
In a mid-sized IT environment, the 866558-B21 HPE ML350 Gen10 with dual Intel Xeon Gold 6142 CPUs powers a VMware vSphere cluster, consolidating 50+ virtual machines onto a single chassis. This deployment reduces rack space by 40%, cuts energy costs by 30%, and delivers 4:1 VM density improvements. The result: streamlined management, accelerated provisioning, and a 25% lower total cost of ownership, enabling rapid scalability to meet evolving business demands.
Real-Time Edge AI Inference for Industrial IoT
A manufacturing plant integrates the HPE ML350 Gen10 866558-B21 Xeon-G Kit at its edge compute nodes to run computer-vision models for quality inspection. Leveraging 28 physical cores and 76 MB L3 cache, the system processes high-resolution images at 60+ FPS, detecting defects with sub-millisecond latency. This on-premises AI inference reduces scrap rates by 20%, enhances production uptime by 15%, and ensures data privacy for critical intellectual property.
High-Performance Data Analytics and In-Memory Database Acceleration
A financial services firm deploys the 866558-B21 HPE ML350 Gen10 as a dedicated analytics server running SAP HANA in-memory databases. The dual Xeon Gold 6142 CPUs and 512 GB of DDR4 memory deliver sub-second query response for real-time risk assessments and trade analytics. Outcomes include a 3× performance gain over previous-generation hardware, 99.9% SLA compliance, and the ability to support peak trading volumes without batch-window delays.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Architecture | Raptor Lake | Alder Lake | Raptor Lake | Raptor Lake | Raptor Lake |
| Base Clock | 3.4 GHz | 3.6 GHz | 3.6 | 3.2 GHz | 3.6 GHz |
| Brand | Intel | Intel | Intel | Intel | Intel |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Cooler Included | No | No | No | No | No |
| Cores | 16 | 12 | 8 | 8 | 8 |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Depth | 1.5 inches | 1.46 | 0.2 inches | 1.5 inches | N/A |
| ECC Support | No | No | No | No | No |
| Generation | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen |
| Graphics Base Frequency | 300 MHz | 350 MHz | 350 | 350 MHz | 300 MHz |
| Graphics Max Dynamic Frequency | 1100 MHz | 1300 MHz | 1100 | 1150 MHz | 1100 MHz |
| Height | 0.16 inches | 0.16 | 1.5 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 | 16 MB | 12 MB | 4 | 4 MB | 4 MB |
| L3 Cache | 30 MB | 18 MB | 16 | 16 MB | 16 MB |
| Max Boost Clock | 5.4 GHz | 5.0 GHz | 5.0 | 4.9 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 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | 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 | Intel Core i7-13700K Processor | Intel Core i7-12700K Desktop Processor (866520-B21) | Intel Core i7-13700K (866522-B21) | 878652-L21 | Intel Core i7-13700K (866558-B21) |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | SGX | SGX | None | None | SGX |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Threads | 24 | 20 | 16 | 16 | 16 |
| Unlocked | Yes | Yes | Yes | Yes | Yes |
| Use Case | Gaming / Workstation / Overclocking | Gaming / Workstation | Gaming | Gaming / Workstation | Gaming |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Weight | 0.25 lbs | 0.1 | 0.25 lbs | 0.3 lbs | N/A |
| Width | 1.5 inches | 1.46 | 1.5 inches | 1.5 inches | N/A |
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Questions & Answers
Q
What are the core specifications of the HPE 866558-B21 Xeon Gold 6142 Kit?
A
The HPE 866558-B21 kit includes an Intel Xeon Gold 6142 processor with 16 cores, 32 threads, a 2.6 GHz base frequency (3.7 GHz Turbo), 22 MB L3 cache, and support for DDR4-2666 MHz memory.
Q
Is the 866558-B21 Kit compatible with HPE ProLiant ML350 Gen10 servers?
A
Yes, the 866558-B21 is factory-qualified for HPE ProLiant ML350 Gen10 systems, delivering optimal thermal design, power management, and BIOS integration.
Q
How much memory can the Xeon Gold 6142 Kit support in ML350 Gen10?
A
When installed in an ML350 Gen10 server, the Xeon Gold 6142 supports up to 3 TB of DDR4 Registered DIMM memory across its 24 DIMM slots at 2666 MHz.
Q
Does the 866558-B21 include a heatsink and thermal solution?
A
Yes, the kit ships with a factory-tested HPE thermal solution, including a heatsink and the necessary mounting hardware to ensure proper CPU cooling.
Q
Can I run virtualization workloads on the HPE 866558-B21 Xeon Gold 6142?
A
Absolutely. With 16 cores, Intel® Hyper-Threading, and VT-x/VT-d support, the Xeon Gold 6142 is designed for high-density virtualization and containerized environments.
Q
What is the power consumption of the Xeon Gold 6142 in this kit?
A
The Intel Xeon Gold 6142 has a TDP (Thermal Design Power) of 150 W, monitored and managed by HPE iLO Advanced power optimization features.
Q
How do I install the 866558-B21 CPU kit in my ML350 Gen10 server?
A
To install, power down the server, open the chassis, unlock the CPU socket lever, seat the processor squarely, apply thermal grease if required, secure the heatsink, and update BIOS to the latest version.
Q
What warranty covers the HPE 866558-B21 Xeon Gold 6142 Kit?
A
The kit comes with a standard three-year HPE warranty covering parts, labor, and onsite support, with optional warranty extensions available.
Q
Does the 866558-B21 support Intel Optane persistent memory?
A
Yes, when paired with a compatible ML350 Gen10 motherboard, the Xeon Gold 6142 supports Intel® Optane™ DC persistent memory modules in Memory Mode or App Direct Mode.
Q
Can I mix the Xeon Gold 6142 with other processors in dual-CPU configurations?
A
No, HPE requires identical processors in multi-socket systems. Both sockets must contain matching Xeon Gold 6142 CPUs with the same stepping and microcode.
Q
What performance gains can I expect with the Xeon Gold 6142 in data analysis tasks?
A
With 16 cores and a 3.7 GHz Turbo Boost, you can achieve up to 30% faster data analytics throughput compared to previous-generation Xeon Silver processors.
Q
How does the 866558-B21 Kit enhance security features on ML350 Gen10?
A
It leverages Intel® SGX, Secure Boot, and HPE Silicon Root of Trust to provide hardware-level encryption, secure firmware validation, and isolated execution environments.
Q
What BIOS settings should I enable for optimal performance of the Xeon Gold 6142?
A
Enable Intel Turbo Boost Technology, Hyper-Threading, C-state control, and set memory speed to DDR4-2666 MHz in the UEFI BIOS for best performance.
Q
Where can I purchase or upgrade to the HPE 866558-B21 Kit?
A
You can order directly from HPE’s online store, authorized HPE resellers, or through HPE Channel Partners worldwide for genuine parts and support.
Q
How do firmware updates affect the 866558-B21 Xeon Gold 6142 performance?
A
Regular firmware and BIOS updates ensure optimized microcode, improved stability, and enhanced security, delivering consistent CPU performance and reliability.
