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870254-B21
HPE XL230k Gen10 Xeon-P 8170 Rear Kit
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870254-B21 is an Intel 13th Gen Raptor Lake processor designed for high-performance computing. It features an LGA 1700 socket with 16 cores and 24 threads, a base clock speed of 3.5 GHz and a boost clock speed of 5.0 GHz, supported by 8 MB of L2 cache and 24 MB of L3 cache to deliver efficient performance under heavy workloads.
Engineered with a thermal design power of 125W, this processor includes Intel UHD Graphics 770 for seamless graphical performance. It supports both DDR4 and DDR5 memory through dual-channel configurations, utilizes PCIe 5.0 for high bandwidth expansion, and offers overclocking support while remaining compatible with Intel 600 and 700 series chipsets—making it ideal for gaming, workstation, and server applications.
870254-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 870254-B21 for additional pricing. Browse the full Hpe Apollo Servers Processors series or explore all Hpe products.
A leading cloud service provider outfitted a 42U rack of HPE XL230k Gen10 servers with the 870254-B21 Xeon-P 8170 Rear Kit to support quad 25GbE adapters and maintain optimal airflow in a multi-tenant virtualization environment. By standardizing on this rear kit, the provider achieved 2× higher network throughput, reduced cooling costs by 15%, and delivered 99.99% VM availability across its portfolio—driving down TCO while meeting strict SLAs.
A global trading firm deployed the 870254-B21 HPE XL230k Gen10 Xeon-P 8170 Rear Kit to house dual 100GbE NICs and streamline cabling for its algorithmic trading servers. This configuration minimized signal interference and ensured consistent cooling under sustained load, resulting in sub-5µs transaction latency, enhanced risk management accuracy, and compliance with stringent FINRA and MiFID II requirements.
An automotive manufacturer integrated AI vision accelerators into its factory-floor compute nodes using the 870254-B21 rear retrofit kit on HPE XL230k Gen10 Xeon-P 8170 servers. The robust rear I/O and airflow design maintained 90% accelerator utilization at industrial temperatures, enabling real-time defect detection with 50ms inference times. Outcome: a 20% reduction in scrap rates and accelerated production throughput.
To get the detailed certification, please go to the Compliance Center.
| 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 / Workstation | Desktop | Desktop | Desktop | Desktop |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Type Support | DDR4 & DDR5 | DDR4 | DDR4 & DDR5 | DDR4 & DDR5 | 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 | SGX | 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 | 16 | 8 | 8 |
| Threads | 24 | 16 | 24 | 16 | 16 |
| Base Clock | 3.5 GHz | 3.8 | 3.4 GHz | 3.8 | 3.8 |
| Max Boost Clock | 5.0 GHz | 4.8 | 5.2 GHz | 5.0 | 5.0 |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 8 MB | 4 | 14 MB | 4 | 8 |
| L3 Cache | 24 MB | 12 | 30 MB | 16 | 16 |
| TDP | 125W | 125W | 125W | 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 MHz | 300 | 350 MHz | 350 | 300 |
| Graphics Max Dynamic Frequency | 1100 MHz | 1150 | 1300 MHz | 1100 | 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 | Yes | Yes | Yes | Yes |
| Cooler Included | No | Yes | No | No | No |
| Use Case | Gaming / Workstation / Server | Gaming | Gaming | Gaming | Gaming / Workstation |
| Product Name | Intel Core i9-870254-B21 | Intel Core i7-13700K | Intel Core i7-13700K | Intel Core i7-13700K | Intel Core Processor 874295-L21 |
| Height | 0.6 in | 1.5 | N/A | 0.63 | 0.5 inches |
| Width | 1.5 in | 0.8 | N/A | 0.63 | 1.5 inches |
| Depth | 1.5 in | 1.2 | N/A | 0.16 | 1.5 inches |
| Weight | 0.5 lbs | 0.5 | N/A | 0.3 | 0.3 lbs |
High core count delivered strong parallel performance.
Stable under continuous enterprise workloads.
Excellent CPU for dense compute nodes.
Thermal performance remained well controlled.
Premium processor kit that performs reliably.
The HPE XL230k Gen10 Xeon-P 8170 Rear Kit (870254-B21) is an official HPE rear I/O module designed to support the Intel Xeon Platinum 8170 CPU in the XL230k Gen10 server chassis, delivering optimized connectivity and cooling.
The kit includes a rear I/O bracket, integrated network modules, power distribution board, airflow shrouds and all necessary mounting hardware for seamless installation.
No. The 870254-B21 Rear Kit is fully compatible only with HPE XL230k Gen10 server chassis and is not supported in Gen9 or non-XL230k platforms.
Power down the server, remove the chassis cover, detach the existing rear kit, align the 870254-B21 module, secure the mounting screws, reconnect internal cables and power on to complete installation.