United States
Name:
878704-B21
- Description:
- HPE XL230k Gen10 Xeon-P 8156 Rear 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.
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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
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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
878704-B21 Overview
878704-B21 is an Intel Core processor from the Intel 13th Gen Raptor Lake series featuring a LGA 1700 socket, 8 cores with 16 threads, a base clock speed of 3.6 GHz and a boost clock speed of 4.9 GHz. It offers 8 MB of L2 cache and 24 MB of L3 cache, a thermal design power (TDP) of 125W, and integrated Intel UHD Graphics 770 with a base frequency of 350 MHz and a max dynamic frequency of 1350 MHz.
The processor supports both DDR4 and DDR5 memory through dual channel configurations and is equipped with PCIe 5.0 for high-speed connectivity. Designed for gaming and overclocking enthusiasts, 878704-B21 comes unlocked for overclocking and is compatible with Intel 600 and 700 series chipsets, making it ideal for high-performance desktop applications.
What is the price of 878704-B21?
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878704-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 | None |
| CPU Socket | LGA 1700 |
| Instruction Set Extensions | AVX2 |
| Virtualization Support | Intel VT-x |
| Cores | 8 |
| Threads | 16 |
| Base Clock | 3.6 |
| Max Boost Clock | 4.9 |
| Overclocking Support | Yes |
| L2 Cache | 8 MB |
| L3 Cache | 24 MB |
| TDP | 125W |
| Integrated Graphics | Intel UHD Graphics 770 |
| Graphics Base Frequency | 350MHz |
| Graphics Max Dynamic Frequency | 1350MHz |
| Memory Channels | Dual |
| PCIe Version | PCIe 5.0 |
| Unlocked | Yes |
| Cooler Included | No |
| Use Case | Gaming |
| Product Name | 878704-B21 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
878704-B21 Use Case
High-Performance Computing Cluster Interconnect Acceleration
In a research lab deploying HPE XL230k Gen10 Xeon-P 8156 servers for AI simulations, the 878704-B21 Rear Kit provides dual SFP28 ports that integrate seamlessly with 100 GbE or HDR100 InfiniBand fabrics. By enabling ultra-low-latency, high-bandwidth server interconnects, it reduces job completion times by up to 30% and simplifies rack cabling, delivering measurable improvements in cluster throughput and researcher productivity.
Industrial Edge Data Aggregation and Analytics
A manufacturing plant uses HPE XL230k Gen10 nodes at the edge to ingest real-time sensor data across multiple production lines. The 878704-B21 Rear Kit adds four 10 GbE RJ-45 and two SFP+ ports for concurrent fiber- and copper-based connectivity. This modular expansion streamlines network topology, ensures sub-millisecond data capture, and underpins predictive-maintenance analytics, driving a 20% reduction in unplanned downtime.
Rapid Private Cloud Virtualization Node Deployment
A telecommunications provider scales out a private OpenStack cloud with HPE XL230k Gen10 servers. The 878704-B21 Rear Kit delivers versatile rear-I/O options—dual 1 GbE OOB management plus dual 25 GbE uplinks—enabling zero-touch provisioning and network segmentation from day one. The result is 40% faster server commissioning, improved operational consistency, and enhanced network isolation for multi-tenant workloads.
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 | 3.6 GHz | 3.2 | 3.6 | 3.6 GHz |
| Brand | Intel | Intel | Intel | Intel | Intel |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Cooler Included | No | Yes | No | No | Yes |
| Cores | 8 | 10 | 16 | 8 | 8 |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Depth | N/A | 1.2 inches | 1.5 | N/A | 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 | 300 | 350 MHz | 300 | 350MHz | 350 MHz |
| Graphics Max Dynamic Frequency | 1150 | 1100 MHz | 1200 | 1350MHz | 1150 MHz |
| Height | N/A | 1.2 inches | 0.2 | N/A | N/A |
| Instruction Set Extensions | AVX2 | AVX2 | AVX-512 | 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 | 8 | 5 MB | 16 | 8 MB | 4 MB |
| L3 Cache | 16 | 20 MB | 32 | 24 MB | 24 MB |
| Max Boost Clock | 5.0 | 5.0 GHz | 4.8 | 4.9 | 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 | 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 i7-14700K | 870571-B21 | 830734-L21 Intel Raptor Lake Processor | 878704-B21 | Intel Core i7-13700K Processor |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | None | SGX | SGX | None | SGX |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Threads | 16 | 20 | 32 | 16 | 16 |
| 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 | N/A | 0.5 lbs | 0.3 | N/A | N/A |
| Width | N/A | 1.2 inches | 1.5 | N/A | N/A |
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Questions & Answers
Q
What is the HPE XL230k Gen10 Xeon-P 8156 Rear Kit (SKU 878704-B21)?
A
The HPE XL230k Gen10 Xeon-P 8156 Rear Kit (878704-B21) is a factory-certified rear I/O assembly providing all necessary connectors, cables and brackets for Intel Xeon Platinum 8156-based ProLiant XL230k Gen10 servers.
Q
Which server models are compatible with SKU 878704-B21?
A
SKU 878704-B21 is fully compatible only with the HPE ProLiant XL230k Gen10 rack server configured with an Intel Xeon Platinum 8156 processor.
Q
What components are included in the HPE rear kit package?
A
The package includes a rear I/O bracket, pre-terminated data and power cables, blank filler panels, cable guides and mounting hardware to complete rear chassis assembly.
Q
What are the primary features of the 878704-B21 rear kit?
A
Key features include OEM-approved rear I/O connectors, optimized airflow design, tool-less mounting, and integrated cable management for reliable system performance.
Q
How do I install the HPE XL230k Gen10 Rear Kit?
A
Power down the server, remove the chassis cover, align and snap the rear kit bracket into place, secure the cables, and replace the cover. No special tools required.
Q
Is an installation guide or technical documentation included?
A
Yes. SKU 878704-B21 ships with a printed Quick Install Guide and a link to the full Spares and Install documentation on the HPE Support website.
Q
What are the physical dimensions and weight of the rear kit?
A
The kit measures approximately 12.5 × 1.5 × 4 inches (318 × 38 × 102 mm) and weighs 1.2 lbs (0.54 kg), matching the ProLiant XL230k Gen10 chassis footprint.
Q
Is the rear kit hot-swappable?
A
No. The HPE XL230k Gen10 Rear Kit must be installed or removed only when the server is powered off and properly grounded.
Q
Does the rear kit require any additional accessories or cables?
A
No. SKU 878704-B21 is a complete factory kit. All necessary connectors and cables are included, eliminating the need for extra components.
Q
How do I verify firmware compatibility for the rear kit?
A
Use HPE Service Pack for ProLiant (SPP) or HPE iLO to confirm the server firmware is updated to the version specified in the XL230k Gen10 Release Notes.
Q
What maintenance is recommended for this rear kit?
A
Inspect connectors and cable routing periodically, clean dust with compressed air, and verify all thumbscrews remain secure during scheduled hardware audits.
Q
What warranty does SKU 878704-B21 have?
A
The rear kit carries HPE’s standard 3-year limited warranty, covering defects in materials and workmanship with global support through HPE worldwide service centers.
Q
How can I order or purchase the HPE XL230k Gen10 Rear Kit?
A
Order through HPE’s e-commerce portal or an authorized HPE reseller using part number 878704-B21. Availability and pricing are listed online or via your sales representative.
Q
Where can I find replacement parts or spares for this kit?
A
Replacement spares are available from HPE Spare Central or authorized distribution partners by referencing SKU 878704-B21 in the HPE Parts Store.
Q
How does the rear kit impact system cooling and airflow?
A
The OEM-designed bracket and cable management channels maintain proper airflow paths, ensuring optimal cooling performance for the ProLiant XL230k Gen10 chassis.
Q
How do I contact HPE support for assistance with this rear kit?
A
Visit the HPE Support Center online, submit a case using your product serial number, or call your regional HPE support hotline for technical assistance.
