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Rear kit supports stable Xeon performance under load.
870596-B21
HPE XL230k Gen10 Xeon-G 6128 Rear Kit
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Name:
870596-B21
- Description:
- HPE XL230k Gen10 Xeon-G 6128 Rear Kit
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870596-B21 Overview
870596-B21 is an Intel processor from the Intel Core series built on the 13th Gen Raptor Lake architecture and designed for the LGA 1700 socket. It features 16 cores and 24 threads with a base clock speed of 3.4 GHz and a maximum boost clock speed of 5.4 GHz, accompanied by 14 MB of L2 cache and 30 MB of L3 cache, while delivering a TDP of 125W.
870596-B21 offers integrated Intel UHD Graphics 770 with a graphics base frequency of 300 MHz and a maximum dynamic frequency of 1150 MHz, supports dual-channel DDR4 & DDR5 memory, and incorporates PCIe 5.0 support; it is unlocked for overclocking and is compatible with modern chipsets for gaming as well as high-performance workstation applications.
870596-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 870596-B21 for additional pricing. Browse the full Hpe Apollo Servers Processors series or explore all Hpe products.
870596-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
- 16
- Threads
- 24
- Base Clock
- 3.4
- Max Boost Clock
- 5.4
- Overclocking Support
- Yes
- L2 Cache
- 14
- L3 Cache
- 30
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 300
- Graphics Max Dynamic Frequency
- 1150
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i7-13700K Processor
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
870596-B21 Use Case
High-Density Virtualized Infrastructure with HPE XL230k Gen10 Xeon-G 6128 Rear Kit
Cloud service providers deploy the HPE 870596-B21 Rear Kit on XL230k Gen10 servers equipped with Intel Xeon-G 6128 CPUs to enable modular rear I/O expansion—supporting up to four 25 GbE or dual 100 GbE ports per 1U node. This streamlined cable management and optimized airflow architecture drives higher VM density, slashes rack footprint by up to 40 %, and accelerates service onboarding. Outcome: 2× increase in VM capacity with 30 % lower cooling costs and industry-leading uptime.
Remote Edge Computing for Industrial IoT with 870596-B21 Rear Kit
Manufacturing, oil & gas, and utility firms build resilient edge nodes using the HPE XL230k Gen10 server rear-kit (870596-B21) paired with Xeon-G 6128 processors. The kit’s tool-less I/O module installs dual 10 GbE, serial, and GPIO ports in harsh environments—ensuring reliable sensor data aggregation, minimal latency, and simplified field service. Outcome: 24/7 operational continuity in remote sites with 50 % faster deployment and simplified maintenance cycles.
Scalable HPC & AI Model Training Clusters Leveraging 870596-B21 Rear Kit
Research labs and engineering firms deploy HPE XL230k Gen10 servers with the 870596-B21 Rear Kit and Intel Xeon-G 6128 CPUs to form high-performance clusters. The rear kit enables hot-pluggable NVMe backplanes and high-bandwidth InfiniBand or 100 GbE fabrics, optimizing cooling and rack density for parallel workloads. Outcome: 3× faster AI model training, elimination of thermal throttling, and linear cluster scaling for compute-intensive simulations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 870596-B21 |  850290-B21 |  830722-L21 |  870602-B22 |  877033-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 | DDR4 & DDR5 | DDR5 | DDR5 | DDR4 & DDR5 | DDR4 & DDR5 |
| Generation | Intel 13th 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 | None | 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 | 16 | 8 | 8 | 8 | 16 |
| Threads | 24 | 16 | 16 | 16 | 24 |
| Base Clock | 3.4 | 3.6 GHz | 3.6 GHz | 3.6 | 3.4 GHz |
| Max Boost Clock | 5.4 | 5.0 GHz | 5.0 GHz | 5.0 | 5.4 GHz |
| Overclocking Support | Yes | No | No | Yes | Yes |
| L2 Cache | 14 | 4 MB | 4 MB | 4 | 6 MB |
| L3 Cache | 30 | 16 MB | 16 MB | 16 | 24 MB |
| TDP | 125W | 65W | 65W | 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 | 300 | 300 MHz | 300 MHz | 350 | 350 MHz |
| Graphics Max Dynamic Frequency | 1150 | 1200 MHz | 1050 MHz | 1200 | 1200 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 | No | No | Yes | Yes |
| Cooler Included | No | No | No | No | No |
| Use Case | Gaming | Gaming / Workstation / Server | Gaming | Gaming | Gaming |
| Product Name | Intel Core i7-13700K Processor | Intel Core i7-850290-B21 Processor | Intel Core i7-13700 Processor (830722-L21) | 870602-B22 | Intel Core i7-13700K Raptor Lake Processor |
| Height | N/A | N/A | 1.5 inches | 0.14 inches | 0.5 inches |
| Width | N/A | N/A | 1.2 inches | 1.4 inches | 1.5 inches |
| Depth | N/A | N/A | 1.1 inches | 1.4 inches | 1.5 inches |
| Weight | N/A | N/A | 0.25 lbs | 0.0625 lbs | 0.3 lbs |
Reviews & Ratings
F
Faisal Nadeem
4
Installation was quick and clean.
R
Rolf Meissner
5
Consistent cooling performance observed.
E
Elliot Turner
3
Works reliably in production environments.
K
Kashif Raza
4
Well engineered Gen10 component.
Questions & Answers
What is the HPE XL230k Gen10 Xeon-G 6128 Rear Kit (SKU: 870596-B21)?
The HPE XL230k Gen10 Xeon-G 6128 Rear Kit (870596-B21) is an OEM replacement module designed to restore rear I/O and airflow functions in HPE XL230k Gen10 servers powered by the Intel Xeon-G 6128 processor.
Which HPE server models are compatible with SKU 870596-B21?
SKU 870596-B21 is fully compatible with HPE XL230k Gen10 servers configured with the Intel Xeon-G 6128 CPU and cannot be used with earlier and non-Gen10 server generations.
What components are included in the HPE XL230k Gen10 Rear Kit?
The kit includes a fully assembled rear I/O bracket, airflow baffle, retention clips, and all required mounting hardware for the XL230k Gen10 Xeon-G 6128 configuration.
How do I install the 870596-B21 rear kit in my server?
Power off the server, remove the existing rear assembly per HPE service guide, align the new kit, secure it with provided screws, and reconnect all cables before powering on.