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Jonathan Pierce
5
Excellent single thread performance for Gen9 virtualization workloads.
853926-B21
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HPE XL270d Gen9 E5-2643v4 Kit
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853926-B21
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- HPE XL270d Gen9 E5-2643v4 Kit
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853926-B21 Overview
853926-B21 is an Intel processor from the Intel Core series, built on the 13th Gen Raptor Lake architecture and mounted on 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 of 5.4 GHz, paired with 16 MB of L2 cache and 30 MB of L3 cache, and operates at a thermal design power of 125W. The unit comes with integrated Intel UHD Graphics 770, which runs at a base frequency of 350 MHz and can reach up to 1,350 MHz dynamically.
This processor supports both DDR4 and DDR5 memory types in a dual-channel configuration, with a maximum memory support of 128 GB, and it is compatible with PCIe 5.0. Overclocking is supported via its unlocked multiplier for enthusiasts; it also includes Intel VT-x for virtualization and SGX for security. Commonly used in high-performance gaming rigs and workstation setups, 853926-B21 is designed to deliver robust performance and reliability in demanding computing environments.
853926-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 853926-B21 for additional pricing. Browse the full Hpe Apollo Servers Processors series or explore all Hpe products.
853926-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
- SGX
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX2
- Virtualization Support
- Intel VT-x
- Cores
- 16
- Threads
- 24
- Base Clock
- 3.4 GHz
- Max Boost Clock
- 5.4 GHz
- Overclocking Support
- Yes
- L2 Cache
- 16 MB
- L3 Cache
- 30 MB
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350 MHz
- Graphics Max Dynamic Frequency
- 1350 MHz
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i7-13700K
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
853926-B21 Use Case
High-Performance Computing Cluster Node for Scientific Simulation
A national research laboratory integrates the 853926-B21 HPE XL270d Gen9 E5-2643v4 Kit into its HPC cluster to accelerate computational fluid dynamics and finite-element analysis. By leveraging dual Intel® Xeon® E5-2643v4 processors with high memory bandwidth, the lab reduces simulation runtimes by up to 30%, enabling more iterative experiment cycles and faster scientific breakthroughs.
Virtualized Private Cloud Host for Financial Services
A global banking institution deploys the HPE XL270d Gen9 E5-2643v4 Kit as the foundation of its private cloud, consolidating dozens of Windows and Linux workloads on a single 2U chassis. The result is a 40% increase in VM density, strict regulatory compliance through hardware-rooted security, and a 25% reduction in total cost of ownership compared to legacy rack servers.
Real-Time Big Data Analytics Platform for Retail Forecasting
A leading retail chain uses the 853926-B21 kit in its Spark-based analytics cluster to process streaming sales and inventory data across 1,000+ stores. With six-core Intel® Xeon® E5-2643v4 CPUs and scalable DDR4 memory, the retailer achieves sub-second query responses and improves demand forecast accuracy by 20%, driving optimized inventory levels and margin uplift.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 853926-B21 |  803309-L21 |  870268-B21 |  874283-B21 |  821791-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 | DDR4 & DDR5 | DDR4 & DDR5 | DDR5 | DDR4 & DDR5 | DDR4 & DDR5 |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 12th Gen |
| Architecture | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake | Alder Lake |
| ECC Support | No | No | No | No | No |
| Security Features | SGX | SGX | None | SGX | 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 | 16 | 8 | 8 | 12 |
| Threads | 24 | 24 | 16 | 16 | 20 |
| Base Clock | 3.4 GHz | 3.4 GHz | 3.6 | 3.8 | 3.6 |
| Max Boost Clock | 5.4 GHz | 5.2 GHz | 5.0 | 5.0 | 5.0 |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 16 MB | 24 MB | 8 | 4 | 12 |
| L3 Cache | 30 MB | 30 MB | 16 | 16 | 20 |
| 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 | 350 MHz | 350 MHz | 300 | 300 | 300 |
| Graphics Max Dynamic Frequency | 1350 MHz | 1300 MHz | 1100 | 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 | No | No | No | No |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming |
| Product Name | Intel Core i7-13700K | 803309-L21 | Intel Core i7-13700K | Intel Core i7-13700K | Intel Core i7-12700K Processor (Part Number 821791-B21) |
| Height | N/A | 0.14 inches | 0.5 | 0.5 | 0.5 |
| Width | N/A | 1.57 inches | 0.5 | 1.5 | 1.5 |
| Depth | N/A | 1.57 inches | 0.5 | 1.5 | 1.5 |
| Weight | N/A | 0.31 lbs | 0.1 | 0.1 | 0.3 |
Reviews & Ratings
H
Haris Siddiq
4
Stable and responsive under continuous processing.
M
Mika Lehtinen
5
Quick installation and consistent results.
R
Robert Langford
4
Well suited for performance sensitive applications.
A
Ammar Latif
5
Meets expectations for enterprise compute use.
Questions & Answers
What is the HPE XL270d Gen9 E5-2643v4 Kit?
The HPE XL270d Gen9 E5-2643v4 Kit is a high-density 1U rack server platform optimized for compute-intensive workloads with Intel Xeon E5-2643v4 processors.
Which processor does the E5-2643v4 Kit include?
It includes dual Intel Xeon E5-2643v4 processors, each offering 6 cores, 12 threads, and a base frequency of 3.4 GHz for balanced performance.
How much memory does the XL270d Gen9 support?
The server supports up to 768 GB of DDR4 Registered DIMMs across 12 DIMM slots, enabling high-performance in-memory and virtualization workloads.
What storage options are available in this kit?
It provides up to eight hot-plug SFF (2.5″) drive bays, supporting SAS, SATA, and NVMe SSDs for flexible capacity and high-throughput storage.
Which network interfaces are included?
The kit features four integrated 1 GbE ports plus one dedicated iLO management port, with optional FlexibleLOM cards for 10/25/40 GbE uplinks.
What operating systems are certified?
The server is certified for HPE ProLiant, Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, and major Linux distributions.
Is the XL270d Gen9 suitable for virtualization?
Yes, its dual Xeon E5-2643v4 CPUs and large memory footprint make it ideal for VMware, Hyper-V, and KVM virtualization environments.
What is the server’s form factor and dimensions?
The HPE XL270d Gen9 is a 1U rack-mount server measuring 1.7″ × 17.5″ × 27.4″, designed to optimize data center density and airflow.
How many PCIe expansion slots are available?
It offers three PCIe 3.0 slots (one x16, two x8) for GPUs, NVMe adapters, or additional network cards to extend functionality.
Does the kit support GPU acceleration?
Yes, it supports up to two single-width, full-height GPUs or accelerators in its PCIe expansion slots for HPC and AI workloads.
What power supplies come with this server?
The standard configuration includes dual hot-plug 500 W or 800 W Platinum efficiency power supplies with N+1 redundancy options.
How energy efficient is the XL270d Gen9?
It features HPE’s sea of sensors technology and Platinum-rated PSUs to optimize power usage, reduce cooling needs, and lower total cost of ownership.
What warranty and support options are available?
HPE offers a three-year limited warranty with 24×7 parts and labor support, plus optional Proactive Care and Foundation Care service packages.
Are hot-swap drives supported?
Yes, all eight SFF drive bays are hot-swappable, allowing non-disruptive storage upgrades and replacements under load.
How do I install the HPE XL270d Gen9 kit?
Follow the QuickSpecs and Installation Guide supplied in the packaging or online: slide into a standard 19″ rack, connect PSU, network, and storage, then power on.
How does this Gen9 kit differ from earlier HPE models?
Compared to previous generations, it delivers higher core counts, DDR4 memory support, NVMe storage compatibility, and improved thermal and power efficiency.