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Balanced Xeon Gold option for enterprise servers.
866538-B21
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HPE ML350 Gen10 5120 Xeon-G Kit
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866538-B21
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- HPE ML350 Gen10 5120 Xeon-G Kit
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866538-B21 Overview
866538-B21 is a high-performance Intel processor from the Intel 13th Gen series built on the Raptor Lake architecture, featuring an LGA 1700 socket and delivering 8 cores with 16 threads. It operates at a base clock of 3.6 GHz and can boost up to 5.0 GHz, supported by 8 MB of L2 cache and 16 MB of L3 cache, and is rated at a TDP of 125W.
This model comes with Intel UHD Graphics 770 running at a base frequency of 300 MHz and peaking at 1100 MHz, supports DDR5 memory up to 128 GB with dual-channel configuration, and incorporates PCIe 5.0 connectivity. It also supports AVX2 instructions, Intel VT-x virtualization, and overclocking, making it suitable for intensive gaming, workstation tasks, and overclocking enthusiasts.
866538-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 866538-B21 for additional pricing. Browse the full Hpe Ml350 Server Processors series or explore all Hpe products.
866538-B21 Specifications
- Height
- 0.5
- ECC Support
- No
- Use Case
- Gaming
- CPU Socket
- LGA 1700
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Product Type
- Processors
- Brand
- Intel
- Virtualization Support
- Intel VT-x
- TDP
- 125W
- Cooler Included
- No
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR5
- Generation
- Intel 13th Gen
- Architecture
- Raptor Lake
- Instruction Set Extensions
- AVX2
- Cores
- 8
- Threads
- 16
- Overclocking Support
- Yes
- Integrated Graphics
- Intel UHD Graphics 770
- Unlocked
- Yes
- Base Clock
- 3.6
- Max Boost Clock
- 5.0
- Graphics Base Frequency
- 300
- Graphics Max Dynamic Frequency
- 1100
- L3 Cache
- 16
- Security Features
- SGX
- L2 Cache
- 8
- Depth
- 1.0
- Width
- 1.0
- Weight
- 0.4
- Product Name
- Intel Core i7-13700K (866538-B21)
866538-B21 Use Case
SMB Virtualization Consolidation with HPE ML350 Gen10 866538-B21 Xeon-G5120
A mid-sized accounting firm running 40–60 virtual machines on disparate legacy servers deploys the HPE ML350 Gen10 866538-B21 (Intel® Xeon® G5120) to consolidate virtualization workloads. Leveraging 6 cores/6 threads, integrated Intel® UHD Graphics, and HPE iLO remote management, the firm achieves: • 50% reduction in rack space and power consumption • 30% lower licensing & hardware TCO • Simplified maintenance with one-touch firmware updates
Real-Time Edge AI Inference in Manufacturing
An automotive parts manufacturer installs the HPE ML350 Gen10 866538-B21 Xeon-G5120 at its production line to power real-time defect detection. By coupling 6-core CPU performance with up to 512GB DDR4 memory and Onboard Accelerated Cryptographic Engine, the solution delivers: • Sub-50ms image recognition latency • 25% yield improvement through automated quality control • Secure, encrypted data transfer via HPE Silicon Root of Trust
High-Availability SQL Cluster for Retail Inventory
A national retail chain implements a two-node HPE ML350 Gen10 cluster (866538-B21 Xeon-G5120) to host its SQL inventory database. Utilizing HPE Smart Array controllers with NVMe caching and redundant power supplies, the deployment realizes: • 99.99% application uptime • 2× faster transaction processing during peak sales • Automated failover and comprehensive health monitoring with HPE OneView
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 866538-B21 |  878650-B21 |  801254-L21 |  801232-L21 |  801257-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 | DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR5 |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen |
| Architecture | Raptor Lake | Raptor Lake | Raptor Lake | Alder Lake | Raptor Lake |
| ECC Support | No | No | No | No | No |
| Security Features | SGX | None | None | SGX | None |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX-512 | AVX2 |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Cores | 8 | 16 | 8 | 8 | 8 |
| Threads | 16 | 24 | 16 | 16 | 16 |
| Base Clock | 3.6 | 3.4 | 3.8 | 3.6 | 3.8 GHz |
| Max Boost Clock | 5.0 | 5.2 | 5.1 | 4.9 | 5.0 GHz |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 8 | 16 | 4 | 8 | 4 MB |
| L3 Cache | 16 | 30 | 24 | 16 | 16 MB |
| 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 | 350 | 350 | 350 | 350 MHz |
| Graphics Max Dynamic Frequency | 1100 | 1100 | 1350 | 1200 | 1100 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 | Yes | Yes | Yes | Yes |
| Cooler Included | No | No | No | No | No |
| Use Case | Gaming | Gaming / Workstation | Gaming | Gaming | Gaming |
| Product Name | Intel Core i7-13700K (866538-B21) | Intel Core i7-13700K Processor (878650-B21) | 801254-L21 | 801232-L21 | Intel Core i7-13700K (801257-L21) |
| Height | 0.5 | 0.5 | 1.5 | N/A | 0.17 inches |
| Width | 1.0 | 1.57 | 1.5 | N/A | 1.48 inches |
| Depth | 1.0 | 1.57 | 0.5 | N/A | 1.48 inches |
| Weight | 0.4 | N/A | 0.35 | N/A | N/A |
Reviews & Ratings
N
Naveed Anwar
5
Stable under continuous workloads.
M
Mats Olsson
5
Clean installation process.
P
Peter Coleman
5
Good all round performance.
D
Danish Iqbal
5
Predictable Gen10 behavior.
Questions & Answers
What components are included in the HPE ML350 Gen10 5120 Xeon-G Kit (SKU: 866538-B21)?
The 866538-B21 kit includes one Intel Xeon Gold 5120 processor, a compatible heatsink, a mounting bracket assembly and installation instructions optimized for HPE ProLiant ML350 Gen10 servers.
Is the SKU 866538-B21 kit compatible with all HPE ProLiant ML350 Gen10 configurations?
Yes. The HPE ML350 Gen10 5120 Xeon-G Kit (866538-B21) is fully compatible with any HPE ProLiant ML350 Gen10 chassis populated with available CPU sockets and matching BIOS firmware.
What are the key specifications of the Intel Xeon Gold 5120 in this HPE kit?
The Intel Xeon Gold 5120 provides 14 cores/28 threads, a 2.2 GHz base clock (3.2 GHz turbo), 19.25 MB cache and a 105 W TDP, supporting DDR4 memory at up to 2666 MT/s.
How many CPUs can I install in my HPE ML350 Gen10 when using the 5120 Xeon-G Kit?
The HPE ProLiant ML350 Gen10 server supports up to two Intel Xeon Gold 5120 processors, enabling symmetrical multi-socket performance scaling.
What memory types and speeds does the ML350 Gen10 support with the 5120 Xeon-G Kit?
With the 5120 Xeon-G Kit installed, ML350 Gen10 supports up to 3 TB of DDR4 RDIMM or LRDIMM memory at speeds up to 2666 MT/s across 24 DIMM slots.
Do I need additional cooling beyond the included heatsink in the 866538-B21 kit?
No. The HPE-certified heatsink in the 5120 Xeon-G Kit is designed for proper airflow and thermal dissipation within the ML350 Gen10 chassis under standard workloads.
What power supply capacity is required for the HPE ML350 Gen10 with a 5120 Xeon-G upgrade?
For a dual 5120 configuration, HPE recommends redundant 800 W or higher Platinum-rated power supplies to ensure optimal efficiency and headroom.
Is thermal interface material included with the SKU 866538-B21 CPU kit?
Yes. The 866538-B21 kit comes with factory-preinstalled thermal interface material on the heatsink, eliminating the need to source additional thermal paste.
Which BIOS and firmware versions are required to support the 5120 Xeon-G on ML350 Gen10?
To ensure compatibility, update ML350 Gen10 to BIOS version U11 or later and iLO 5 firmware 2.40 or above before installing the 866538-B21 kit.
Can I mix the Intel Xeon Gold 5120 with other processor models in the same server?
No. HPE ProLiant ML350 Gen10 requires identical CPU models per socket pair. All processors must match the Intel Xeon Gold 5120 for reliable operation.
Which operating systems are certified for HPE ML350 Gen10 with the 5120 Xeon-G Kit?
HPE certifies Windows Server 2016/2019, RHEL 7/8, SLES 12/15, VMware ESXi 6.7/7.0 and other major Linux distributions on the ML350 Gen10 with the 5120 Xeon-G Kit.
What warranty does HPE provide for the ML350 Gen10 5120 Xeon-G Kit (SKU: 866538-B21)?
The 866538-B21 CPU kit is covered by HPE’s standard three-year, parts and labor warranty when installed in an HPE ProLiant ML350 Gen10 server.
How does the Intel Xeon Gold 5120 in this kit enhance server performance?
With 14 cores, Intel Hyper-Threading, QuickPath Interconnect and AVX-512 acceleration, the Xeon Gold 5120 delivers up to 35% higher throughput for virtualization and data analytics on ML350 Gen10.
Is professional installation recommended for the HPE ML350 Gen10 5120 Xeon-G Kit?
HPE-certified or experienced IT technicians are recommended for installation to ensure proper thermal, power and firmware configurations in the ML350 Gen10 server.
Where can I purchase the HPE ML350 Gen10 5120 Xeon-G Kit (SKU: 866538-B21)?
Authorized HPE resellers, the HPE Parts Store and major IT distributors worldwide stock the 866538-B21 HPE ML350 Gen10 5120 Xeon-G Kit.
How can I verify authenticity of my HPE ML350 Gen10 SKU 866538-B21 CPU kit?
Check the HPE holographic security label, verify the SKU on the HPE Support Center Parts Lookup and ensure the kit is sealed in original HPE packaging.