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Strong compute performance for demanding Gen10 applications.
866558-L21
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HPE ML350 Gen10 6142 Xeon-G FIO
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866558-L21
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- HPE ML350 Gen10 6142 Xeon-G FIO
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866558-L21 Overview
866558-L21 is an Intel 13th Gen processor based on the Raptor Lake architecture engineered for the LGA 1700 socket. With 16 cores and 24 threads, it delivers impressive multitasking and performance for demanding gaming and workstation workloads, featuring a base clock of 3.8 GHz and a maximum boost clock of 5.0 GHz.
Designed for high performance, this processor is equipped with 1.5 MB of L2 cache and a 30 MB L3 cache while maintaining a thermal design power (TDP) of 125W. It integrates Intel UHD Graphics 770 with a graphics base frequency of 350 MHz and a max dynamic frequency of 1200 MHz, supports dual-channel DDR4 and DDR5 memory up to 128 GB, and is compatible with PCIe 5.0 devices, making it an ideal choice for gamers and general high-performance desktop users.
866558-L21 price is is available on request. Get immediate quote.
Request bulk order quote for 866558-L21 for additional pricing. Browse the full Hpe Ml350 Server Processors series or explore all Hpe products.
866558-L21 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
- 3.8 GHz
- Max Boost Clock
- 5.0 GHz
- Overclocking Support
- Yes
- L2 Cache
- 1.5 MB
- L3 Cache
- 30 MB
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350 MHz
- Graphics Max Dynamic Frequency
- 1200 MHz
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i7 Processor 866558-L21
- Height
- 1.4 inches
- Width
- 1.4 inches
- Depth
- 0.6 inches
- Weight
- 0.8 lbs
866558-L21 Use Case
Virtualization Consolidation with VMware vSphere on HPE ML350 Gen10 6142 Xeon-G FIO
In a mid-market data center running 40+ Windows and Linux virtual machines, IT teams deploy the 866558-L21-HPE ML350 Gen10 equipped with Intel Xeon-G 6142 and Flexible I/O (FIO) slots as a VMware vSphere host. By consolidating four legacy servers onto a single chassis, they achieve 60% rack–space savings, 30% lower power and cooling costs, and simplified management through HPE OneView. Benefit: maximized compute density, reduced TCO, and enhanced VM performance with built-in redundancy.
Real-Time Edge Analytics for Retail with HPE ML350 Gen10 6142 Xeon-G FIO
A national retail chain implements the 866558-L21 server at 200 store locations to run in-store analytics on SQL Server and real-time inventory applications. Leveraging the dual Intel Xeon-G 6142 CPUs and FIO-optimized NVMe storage, each edge node delivers sub-100 ms query response and processes 5 GB of point‐of‐sale data per minute. Benefit: improved stock accuracy by 25%, faster customer checkout, and centralized monitoring via HPE Integrated Lights-Out (iLO).
Enterprise Storage I/O Benchmarking with FIO on HPE ML350 Gen10 6142 Xeon-G
A large financial services firm uses the 866558-L21-HPE ML350 Gen10’s FIO toolkit to validate NVMe and SAS array performance before production rollout. Configured with dual Xeon-G 6142 processors, 384 GB RAM, and HPE Smart Array controllers, the server generates sustained 1 million IOPS and 2 GB/s throughput across 16 NVMe drives. Benefit: guaranteed storage SLAs, early detection of bottlenecks, and accelerated deployment of high-transaction workloads.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 866558-L21 |  878659-B21 |  801253-L21 |  878661-L21 |  801251-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 | DDR4 & DDR5 | DDR5 | DDR5 | DDR4 |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 11th Gen |
| Architecture | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake | Rocket Lake |
| ECC Support | No | No | No | No | No |
| Security Features | None | None | None | SGX | SGX |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1200 |
| 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 | 12 | 16 | 8 |
| Threads | 24 | 24 | 20 | 32 | 16 |
| Base Clock | 3.8 GHz | 3.2 | 3.6 GHz | 3.0 GHz | 3.6 GHz |
| Max Boost Clock | 5.0 GHz | 5.0 | 5.0 GHz | 5.0 GHz | 5.0 GHz |
| Overclocking Support | Yes | Yes | No | Yes | Yes |
| L2 Cache | 1.5 MB | 2 | 12 MB | 8 MB | 4 MB |
| L3 Cache | 30 MB | 30 | 30 MB | 24 MB | 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 | 350 MHz | 350 | 350 MHz | 350 MHz | 350 MHz |
| Graphics Max Dynamic Frequency | 1200 MHz | 1100 | 1200 MHz | 1100 MHz | 1300 MHz |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 4.0 |
| Unlocked | Yes | Yes | No | Yes | Yes |
| Cooler Included | No | No | No | No | No |
| Use Case | Gaming | Gaming | Gaming / Workstation | Gaming | Gaming |
| Product Name | Intel Core i7 Processor 866558-L21 | Intel Core i7-13700K | Intel Core i7-13 801253-L21 | 878661-L21 Processor | Intel Core i7-11700K Processor (801251-L21) |
| Height | 1.4 inches | 1.4 inches | 1.5 inches | 0.125 inches | N/A |
| Width | 1.4 inches | 1.4 inches | 1.5 inches | 1.57 inches | 1.48 inches |
| Depth | 0.6 inches | 0.2 inches | 0.125 inches | 1.57 inches | 1.48 inches |
| Weight | 0.8 lbs | 0.3 lbs | 0.35 lbs | 0.25 lbs | N/A |
Reviews & Ratings
H
Hassan Tanveer
5
Consistent operation under heavy load.
O
Oskar Pettersson
5
Installed smoothly with immediate stability.
L
Luke Harmon
5
Ideal for virtualization and analytics workloads.
B
Bilal Shabbir
4
Meets enterprise performance expectations.
Questions & Answers
What are the key specifications of the HPE ML350 Gen10 6142 Xeon-G (SKU: 866558-L21)?
The HPE ML350 Gen10 (SKU: 866558-L21) features an Intel Xeon Bronze 6142 processor (16 cores, 2.6 GHz base, 3.7 GHz turbo), up to 3 TB of DDR4 memory, up to 24 LFF or 32 SFF drive bays, HPE iLO 5 management, and redundant hot-plug power and fans.
What CPU performance can I expect from the Intel Xeon Bronze 6142 in this server?
The Intel Xeon Bronze 6142 delivers 16 cores at a 2.6 GHz base frequency with 3.7 GHz turbo, offering balanced multi-threaded throughput for general-purpose workloads and virtualization.
How much RAM does the ML350 Gen10 support and which DIMMs are recommended?
The ML350 Gen10 supports up to 3 TB of DDR4 SmartMemory across 24 DIMM slots; we recommend HPE TruDDR4 ECC Registered DIMMs for optimal performance and reliability.
What storage configurations are available on this server?
This model supports up to 24 LFF or 32 SFF hot-plug drive bays, NVMe, SAS, or SATA drives, plus optional M.2 boot or FlexibleLOM storage for high-performance and tiered data needs.
Which RAID controllers are compatible with the ML350 Gen10 6142 system?
You can choose from HPE Smart Array P408i-a, P408e, or the entry-level P408i-i RAID controllers, all offering hardware-accelerated RAID 0/1/5/6/10/50/60 for data protection.
How many PCIe slots does the server provide for expansion?
The ML350 Gen10 includes eight PCIe 3.0 slots (four x16, two x8, two x4) for additional NICs, GPUs, storage controllers or HBA cards.
What remote management capabilities does HPE iLO 5 offer?
HPE iLO 5 provides out-of-band management with remote console, virtual media, power monitoring, firmware updates, and embedded security, enabling full server control without on-site access.
Is the ML350 Gen10 6142 suitable for virtualization environments?
Yes. With up to 16 cores, 3 TB RAM capacity, and robust I/O, it supports VMware vSphere, Microsoft Hyper-V, and KVM with high consolidation ratios and predictable performance.
What network connectivity options are included by default?
By default, the server ships with two FlexibleLOM ports for 1 GbE or 10 GbE connectivity, and can be upgraded to dual-port 25/50 GbE or 100 GbE adapters for high-bandwidth requirements.
What power supply and redundancy features does this model have?
The ML350 Gen10 supports up to two redundant HPE Flex Slot Platinum or Titanium power supplies (800 W, 1600 W, or 2000 W) with hot-plug capability for uninterrupted operation.
Which security features are built into the HPE ML350 Gen10?
Security is delivered via HPE Silicon Root of Trust, secure firmware validation, TPM 2.0, chassis intrusion alert, and configurable power-on passwords to protect data and firmware integrity.
How energy efficient is the HPE ML350 Gen10 6142 configuration?
With Titanium-rated power supplies, advanced thermal design, and intelligent power capping via HPE iLO, this server minimizes power draw and cooling requirements without sacrificing performance.
Which operating systems are supported on SKU 866558-L21?
This server is validated for Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, Ubuntu, CentOS, Oracle Linux, and other major enterprise OS platforms.
What warranty and support options are available for this server?
HPE offers a standard 3-year Parts, Labor, and On-Site warranty, extendable with HPE Foundation Care or HPE Proactive Care services for proactive monitoring, rapid response and extended coverage.
How does the ML350 Gen10 ensure data protection and integrity?
Data protection is provided by hardware RAID, HPE Secure Erase, HPE Smart Array advanced caching, and optional backup solutions such as HPE StoreOnce and remote replication.
What are the ideal use cases for the HPE ML350 Gen10 6142 server?
Ideal workloads include file and print services, virtualization, database hosting, ERP, analytics, and remote office or departmental applications requiring high performance and reliability.