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Chris Nolan
4
Strong compute performance with reliable thermals.
872556-B21
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HPE XL450 Gen10 Xeon-G 6128 Kit
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872556-B21
- Description:
- HPE XL450 Gen10 Xeon-G 6128 Kit
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872556-B21 Overview
872556-B21 is an Intel Core i7-12700K processor built on the Alder Lake architecture, designed for high-performance desktop applications. It features an LGA 1700 socket, an 8-core/16-thread configuration with a base clock of 3.6 GHz and a boost clock of 5.0 GHz, complemented by 4 MB of L2 cache and 16 MB of L3 cache while operating at a TDP of 125W.
This CPU comes with Intel UHD Graphics 770, delivering graphics performance with a base frequency of 300 MHz and a maximum dynamic frequency of 1100 MHz. It supports dual-channel DDR5 memory up to 128 GB, offers PCIe 5.0 connectivity, is unlocked for overclocking, and is fully compatible with premium chipsets—making it ideal for gaming, workstation, and general high-end desktop use.
872556-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 872556-B21 for additional pricing. Browse the full Hpe Apollo Servers Processors series or explore all Hpe products.
872556-B21 Specifications
- Product Type
- Processors
- Brand
- Intel
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR5
- Generation
- Intel 12th Gen
- Architecture
- Alder Lake
- ECC Support
- No
- Security Features
- None
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX2
- Virtualization Support
- Intel VT-x / Intel VT-d
- Cores
- 8
- Threads
- 16
- Base Clock
- 3.6
- 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
- 300
- Graphics Max Dynamic Frequency
- 1100
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i7-12700K Processor
- Height
- 0.5 in
- Width
- 1.5 in
- Depth
- 1.5 in
- Weight
- 0.2 lbs
872556-B21 Use Case
Private Cloud Consolidation with HPE 872556-B21 XL450 Gen10 Xeon-G 6128
In a global enterprise data center, IT architects deploy HPE 872556-B21 XL450 Gen10 servers equipped with dual Intel Xeon-G 6128 processors to consolidate 150 VMware ESXi hosts into 40 high-density nodes. The Gen10 platform delivers 16-thread performance and 100 GbE networking, reducing rack footprint by 60%, cutting power consumption by 35%, and boosting VM I/O throughput by 20%—driving OpEx savings and simplified management.
Edge AI Inference for Smart Retail Analytics
A multinational retailer installs HPE XL450 Gen10 servers with Xeon-G 6128 CPUs at store edges to run real-time video analytics and shopper-behavior detection. Leveraging hardware-accelerated inferencing and sub-10 ms processing latency, the solution flags shelf-stock anomalies and customer dwell patterns instantly. Outcome: 25% reduction in shrinkage, 3× faster restocking alerts, and enhanced in-store personalization.
High-Frequency Trading & Real-Time Risk Modeling
An investment bank powers its low-latency trading platform on HPE 872556-B21 XL450 Gen10 Xeon-G 6128 servers, integrating 100 GbE links and ultra-fast compute cores to process market feeds in microseconds. The result is 50% faster order execution, sub-50 µs risk calculations and strict SLA compliance—enabling traders to seize market opportunities with maximum confidence.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 872556-B21 |  872552-B21 |  850290-L21 |  853940-L21 |  P11490-B21 | |
|---|---|---|---|---|---|
| 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 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR5 |
| Generation | Intel 12th Gen | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen |
| Architecture | Alder Lake | Alder Lake | Raptor Lake | Raptor Lake | Raptor Lake |
| ECC Support | No | No | No | No | No |
| Security Features | None | 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-d | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Cores | 8 | 6 | 16 | 16 | 6 |
| Threads | 16 | 12 | 24 | 24 | 12 |
| Base Clock | 3.6 | 2.5 | 3.6 | 3.2 GHz | 2.5 |
| Max Boost Clock | 5.0 | 4.4 | 5.0 | 5.0 GHz | 4.5 |
| Overclocking Support | Yes | No | Yes | Yes | No |
| L2 Cache | 4 | 12 | 8 | 8 MB | 3 |
| L3 Cache | 16 | 18 | 30 | 30 MB | 12 |
| TDP | 125W | 65W | 125W | 125W | 65W |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 730 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| Graphics Base Frequency | 300 | 300 | 300 | 350 MHz | 350 |
| Graphics Max Dynamic Frequency | 1100 | 1150 | 1200 | 1200 MHz | 1100 |
| 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 | No | Yes | Yes | No |
| Cooler Included | No | Yes | No | No | Yes |
| Use Case | Gaming | Gaming | Gaming | Gaming / Workstation | Gaming |
| Product Name | Intel Core i7-12700K Processor | Intel Core i5-12400 Processor | Intel Core i7-13700K | Intel Core i7-13700K | P11490-B21 |
| Height | 0.5 in | 0.16 | 1.5 | 0.6 inches | 0.5 inches |
| Width | 1.5 in | 1.48 | 1.5 | 1.4 inches | 0.5 inches |
| Depth | 1.5 in | 1.48 | 1.5 | 1.4 inches | 0.15 inches |
| Weight | 0.2 lbs | 0.04 | 0.5 | 0.25 lbs | 0.2 lbs |
Reviews & Ratings
B
Bushra Naeem
4
Noticeable improvement in processing speed.
A
Anton Kovac
5
Stable under continuous load.
T
Tariq Mehmood
5
Good upgrade for XL450 platforms.
S
Simon Ward
5
Enterprise-grade CPU kit.
Questions & Answers
What does the SKU 872556-B21 HPE XL450 Gen10 Xeon-G 6128 Kit include?
The 872556-B21 kit includes one Intel Xeon Gold 6128 8-core, 16-thread processor module optimized for HPE ProLiant XL450 Gen10 servers.
Which processor model is provided in the HPE XL450 Gen10 Xeon-G 6128 Kit?
It features the Intel Xeon Gold 6128 CPU with 8 cores, 16 threads, a 3.4 GHz base frequency and up to 3.7 GHz turbo boost.
How many cores and threads does the Intel Xeon Gold 6128 support?
The Xeon Gold 6128 delivers 8 physical cores and 16 threads to handle multi-threaded workloads efficiently.
What are the base and turbo frequencies of the Xeon Gold 6128 in this kit?
The processor runs at a 3.4 GHz base clock and can turbo boost up to 3.7 GHz for peak performance.
Which HPE server models are compatible with the 872556-B21 kit?
This kit is fully compatible with HPE ProLiant XL450 Gen10 rack servers equipped with an LGA3647 CPU socket.
What is the thermal design power (TDP) of the Intel Xeon Gold 6128?
The Xeon Gold 6128 has a thermal design power rating of 125 watts.
What type and speed of memory does the HPE XL450 Gen10 support with this kit?
It supports DDR4 ECC RDIMM or LRDIMM memory modules at up to 2666 MT/s for reliable performance.
What rack form factor is required to install this processor kit?
The kit installs in a standard 1U rackmount chassis designed for HPE ProLiant XL450 Gen10 servers.
Are additional components required to install the Xeon Gold 6128 kit?
Yes. You need a compatible heatsink, power supply, and an HPE ProLiant XL450 Gen10 motherboard with LGA3647 socket.
Which management features are integrated when using this kit?
The kit leverages HPE Integrated Lights-Out (iLO 5) for remote monitoring, management, and firmware updates.
Is the HPE XL450 Gen10 Xeon-G 6128 Kit covered by warranty?
Yes. It ships with a 3-year limited HPE parts warranty for peace of mind.
How do I install the HPE XL450 Gen10 Xeon-G 6128 Kit?
Align the CPU with the LGA3647 socket, secure the retention bracket, apply thermal interface material, and attach the compatible heatsink per HPE installation guides.
What performance improvements can I expect with the Xeon Gold 6128?
You’ll see up to 20% faster single-threaded performance and up to 30% better multi-thread throughput compared to prior-generation CPUs.
How energy efficient is the Intel Xeon Gold 6128 in this kit?
It delivers up to 20% energy savings per transaction compared to previous generation CPUs, reducing data center power costs.
How can I update firmware for optimal performance with this kit?
Download and apply the latest HPE Service Pack for ProLiant (SPP) from the HPE Support Center to ensure up-to-date firmware and drivers.
Where can I purchase genuine HPE 872556-B21 kits or obtain support?
Purchase through HPE authorized resellers or the HPE official online store, and access support via the HPE Support Center.