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Stable and efficient CPU for Gen10 environments. Handles day to day enterprise workloads without bottlenecks.
879591-L21
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HPE XL1x0r Gen10 Xeon-S 4108 FIO Kit
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879591-L21
- Description:
- HPE XL1x0r Gen10 Xeon-S 4108 FIO Kit
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- Warranty:
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- List Price:
$879.00
- Price:
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879591-L21 Overview
879591-L21 is an Intel 13th Gen processor based on the Raptor Lake architecture designed for desktop platforms with an LGA 1700 socket. It features 8 cores and 16 threads, operating at a base clock speed of 3.8 GHz and a boost clock speed of 5.0 GHz, with an 8 MB L2 cache and a 16 MB L3 cache.
This processor has a TDP of 125W and supports overclocking, paired with Intel UHD Graphics 770 that runs at a base frequency of 350 MHz and a max dynamic frequency of 1150 MHz. It supports DDR4 & DDR5 memory up to 128 GB across dual channels, utilizes PCIe 5.0 connectivity, and is ideally suited for gaming and desktop workstation applications.
879591-L21 price is $647.00, a 26.4% saving from the Hpe list price of $879.00. 879591-L21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 879591-L21 for additional pricing. Browse the full Hpe Apollo Servers Processors series or explore all Hpe products.
879591-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
- SGX
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX2
- Virtualization Support
- Intel VT-x
- Cores
- 8
- Threads
- 16
- Base Clock
- 3.8 GHz
- Max Boost Clock
- 5.0 GHz
- Overclocking Support
- Yes
- L2 Cache
- 8 MB
- L3 Cache
- 16 MB
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350 MHz
- Graphics Max Dynamic Frequency
- 1150 MHz
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- 879591-L21 Intel Core i7-13700K
- Height
- 1.5 inches
- Width
- 1.5 inches
- Depth
- 1.5 inches
- Weight
- 0.8 lbs
879591-L21 Use Case
Virtualized Server Consolidation for SME Data Centers
Deploy the HPE XL1x0r Gen10 Xeon-S 4108 FIO Kit in a small‐to‐medium enterprise data center to consolidate up to 40 virtual machines on a single 1U chassis. By leveraging Intel® Xeon®-S 4108’s six cores and HPE’s cutting-edge firmware, IT teams achieve 35% lower rack footprint and 25% reduced power consumption. Outcome: Streamlined operations, lower TCO, and simplified capacity planning without sacrificing performance or reliability.
High-Performance Edge Computing for Industrial IoT
Integrate the 879591-L21 kit at factory floors to run low-latency analytics on sensor data in real time. The Xeon-S 4108 processor accelerates OPC UA and MQTT workloads while HPE’s FIO firmware ensures hardware-level encryption and rapid boot times. Outcome: Enhanced predictive maintenance, 30% faster anomaly detection, and minimized network dependencies for uninterrupted production.
ROBO & Disaster Recovery Infrastructure
Implement the HPE Gen10 Xeon-S 4108 FIO Kit in remote offices to host backup services and local virtual desktops. With built-in HPE iLO security and redundant NVMe drives, branch IT administrators can automate snapshot replication to headquarters. Outcome: 2-hour RTO for critical applications, centralized compliance auditing, and cost-effective scalability for global roll-outs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 879591-L21 |  830726-L21 |  874283-B21 |  P01279-L21 |  853936-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 | DDR4 & 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 | SGX | SGX | SGX | 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-d | Intel VT-x | Intel VT-x | Intel VT-x |
| Cores | 8 | 16 | 8 | 8 | 8 |
| Threads | 16 | 24 | 16 | 16 | 16 |
| Base Clock | 3.8 GHz | 3.4 | 3.8 | 3.6 GHz | 3.6 GHz |
| Max Boost Clock | 5.0 GHz | 5.4 | 5.0 | 5.0 GHz | 5.0 GHz |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| L2 Cache | 8 MB | 14 | 4 | 4 MB | 8 MB |
| L3 Cache | 16 MB | 30 | 16 | 16 MB | 24 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 | 300 | 350 MHz | 300 MHz |
| Graphics Max Dynamic Frequency | 1150 MHz | 1200 | 1100 | 1100 MHz | 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 / Workstation |
| Product Name | 879591-L21 Intel Core i7-13700K | Intel Core i7-13700K 830726-L21 | Intel Core i7-13700K | Intel Core i7-13700K | Intel Core i7-13700K Processor (853936-L21) |
| Height | 1.5 inches | N/A | 0.5 | 0.5 inches | 1.4 inches |
| Width | 1.5 inches | N/A | 1.5 | 1.5 inches | 3.5 inches |
| Depth | 1.5 inches | N/A | 1.5 | 1.5 inches | 3.5 inches |
| Weight | 0.8 lbs | N/A | 0.1 | 0.35 lbs | 0.5 lbs |
Reviews & Ratings
U
Usman Khalid
4
Good balance of performance and power usage for virtualization hosts.
P
Patrick Doyle
4
Installed cleanly and delivered predictable performance.
S
Sana Mahmood
5
Reliable processor for mixed workloads.
V
Victor Nielsen
5
Meets expectations for Xeon-S based deployments.
Questions & Answers
What is the HPE XL1x0r Gen10 Xeon-S 4108 FIO Kit (SKU 879591-L21)?
The HPE XL1x0r Gen10 Xeon-S 4108 FIO Kit (SKU 879591-L21) is a factory-integrated, field-installable option for HPE ProLiant Gen10 servers combining an Intel Xeon-S 4108 CPU with a Flexible I/O riser card to enhance compute and expansion capabilities.
Which HPE ProLiant Gen10 servers are compatible with SKU 879591-L21?
The kit is compatible with all HPE ProLiant Gen10 rack and tower servers featuring a FlexibleLOM or FlexibleIO riser slot, including the DL360 Gen10, DL380 Gen10 and ML110 Gen10 models.
What are the key processor specifications of the Intel Xeon-S 4108 in this kit?
The Intel Xeon-S 4108 in this kit delivers 8 cores, 8 threads, a 1.8 GHz base frequency, up to 3.0 GHz turbo boost, 11 MB L3 cache and a 85 W TDP for balanced performance and efficiency.
How do I install the HPE XL1x0r Gen10 Xeon-S 4108 FIO Kit?
Power down the server, remove the server cover, slide the existing riser out, install the FIO riser assembly into the FlexibleLOM slot, secure it with the captive screws and reassemble the server.
Does the kit support PCIe Gen3 and higher I/O bandwidth?
Yes, the Flexible I/O riser in the kit supports up to PCIe Gen3 x16 connectivity, providing up to 128 Gb/s of bi-directional bandwidth for high-speed adapters.
What performance improvements can I expect after installation?
By integrating the Xeon-S 4108 CPU with enhanced I/O, you can see up to a 50–70% boost in storage-intensive workloads and a 30–50% increase in network throughput compared to Gen8 modules.
Is the HPE XL1x0r Gen10 Xeon-S 4108 FIO Kit hot-swappable?
No, this kit is not hot-swappable. You must power down and follow proper shutdown procedures before installing or removing the FIO Kit.
Can I use this kit to optimize virtualization workloads?
Yes, the Xeon-S 4108’s core count and I/O flexibility make it ideal for VMware, Hyper-V and KVM virtualization, enabling improved VM density and I/O responsiveness.
What power and cooling specifications apply to SKU 879591-L21?
The kit’s Intel Xeon-S 4108 CPU has an 85 W TDP. HPE recommends using Gen10 server power supplies and standard fan modules to maintain optimal thermal performance.
Does this kit include Intelligent Provisioning and HPE iLO management features?
Yes, once installed, the server’s built-in Intelligent Provisioning and HPE iLO 5 provide firmware updates, hardware monitoring and remote management support.
What warranty coverage comes with HPE SKU 879591-L21?
The FIO Kit is covered under the existing HPE ProLiant server warranty, which includes a one-year parts and labor coverage with options for extended support contracts.
How do I troubleshoot detection issues with the FIO Kit?
Verify the riser is fully seated, update the server BIOS and iLO firmware to the latest Gen10 release, and check System Event Logs (SEL) in HPE iLO for relevant error codes.
Can I mix the Xeon-S 4108 FIO Kit with other FlexibleIO or FlexibleLOM cards?
HPE recommends using identical FlexibleIO/FlexibleLOM configurations for optimal signal integrity. Mixing different kits may result in unsupported configurations.
What are the airflow and chassis requirements for this FIO Kit?
Install the kit in HPE Gen10 servers with front-to-back airflow; ensure air filters are clean and fan modules meet HPE’s minimum airflow specifications to prevent thermal throttling.
Can I upgrade memory modules when using this FIO Kit?
Yes, the Xeon-S 4108 supports up to 64 GB of DDR4 UDIMMs across four DIMM slots. Follow standard Gen10 memory installation guidelines.
How do I order genuine HPE SKU 879591-L21?
Contact your authorized HPE partner or reseller and request HPE SKU 879591-L21. Verify the SKU and HPE part number to ensure authenticity and warranty coverage.
What common use cases benefit most from the Xeon-S 4108 FIO Kit?
This kit excels in mid-range database applications, edge computing, virtualization, and software-defined storage workloads requiring balanced CPU cores and flexible I/O expansion.