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Duncan Holloway
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The Xeon E7-8891v4 FIO kit delivers excellent clock speed and reliability.
816659-L21
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HPE DL580 Gen9 Xeon E7-8891v4 (2.8GHz/10-core/60MB/165W) FIO...
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816659-L21
- Description:
- HPE DL580 Gen9 Xeon E7-8891v4 (2.8GHz/10-core/60MB/165W) FIO Processor Kit
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816659-L21 Overview
816659-L21 is an Intel Core processor from the Intel 12th Gen Alder Lake family engineered for desktop platforms using the LGA 1700 socket. It offers 8 cores and 16 threads with a base clock speed of 3.6 GHz and a boost clock speed of 4.8 GHz, backed by 4 MB of L2 cache and 16 MB of L3 cache, and operates with a thermal design power of 95W.
This processor features integrated Intel UHD Graphics 770 with a graphics base frequency of 300 MHz and a maximum dynamic frequency of 1150 MHz. It supports both DDR4 and DDR5 memory via dual channels and utilizes PCIe 5.0 connectivity. With no overclocking support, it is ideally suited for gaming and general desktop use on compatible Intel 12th Gen chipsets.
816659-L21 price is is available on request. Get immediate quote.
Request bulk order quote for 816659-L21 for additional pricing. Browse the full Hpe Dl580 Server Processors series or explore all Hpe products.
816659-L21 Specifications
- Product Type
- Processors
- Brand
- Intel
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR4 & DDR5
- Generation
- Intel 12th Gen
- Architecture
- Alder Lake
- ECC Support
- No
- Security Features
- None
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX2
- Virtualization Support
- Intel VT-x
- Cores
- 8
- Threads
- 16
- Base Clock
- 3.6
- Max Boost Clock
- 4.8
- Overclocking Support
- No
- L2 Cache
- 4
- L3 Cache
- 16
- TDP
- 95W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 300
- Graphics Max Dynamic Frequency
- 1150
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- No
- Cooler Included
- Yes
- Use Case
- Gaming
- Product Name
- Intel Core i7-12700 Processor
- Height
- 0.6
- Width
- 1.4
- Depth
- 1.4
- Weight
- 0.3
816659-L21 Use Case
Enterprise Virtualization & Data Center Consolidation with HPE DL580 Gen9 Xeon E7-8891v4
A global financial services firm installed the 816659-L21 FIO Processor Kit in an HPE DL580 Gen9 to consolidate 50+ critical trading and risk-analysis VMs. Leveraging the Xeon E7-8891v4’s 10-core/2.8 GHz performance, they achieved 3× higher VM density, reduced rack footprint by 40%, and cut energy costs by 25%, delivering scalable, cost-efficient virtualization.
Real-Time In-Memory Analytics Acceleration with HPE DL580 Gen9 Xeon E7-8891v4
A retail analytics provider upgraded its HPE DL580 Gen9 with the 816659-L21 FIO Processor Kit to power SAP HANA and in-memory BI workloads. The Xeon E7-8891v4’s large 60 MB cache and high memory bandwidth enabled sub-second query responses on terabyte-scale datasets, boosting customer insights delivery by 4× and improving SLAs for real-time decision-making.
High-Availability Mission-Critical ERP & Financial Systems on HPE DL580 Gen9 Xeon E7-8891v4
A multinational manufacturing company deployed the 816659-L21 FIO Processor Kit in HPE DL580 Gen9 servers to host SAP ERP and Oracle E-Business Suite. Utilizing the Xeon E7-8891v4’s advanced RAS features and redundant memory architecture, they achieved 99.99% uptime, automated failover, and accelerated end-of-month close processes by 35%, ensuring uninterrupted global operations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 816659-L21 |  788323-B21 |  P05683-L21 |  878133-B21 |  878148-L21 | |
|---|---|---|---|---|---|
| Architecture | Alder Lake | Alder Lake | Raptor Lake | Alder Lake | Raptor Lake |
| Base Clock | 3.6 | 3.6 GHz | 3.6 | 3.6 | 3.6 |
| Brand | Intel | Intel | Intel | Intel | Intel |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Cooler Included | Yes | No | No | No | No |
| Cores | 8 | 12 | 8 | 12 | 8 |
| Depth | 1.4 | 0.5 inches | 1.5 | N/A | 1.5 |
| ECC Support | No | No | No | No | No |
| Generation | Intel 12th Gen | Intel 12th Gen | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen |
| Graphics Base Frequency | 300 | 350 MHz | 350 | 350 | 300 |
| Graphics Max Dynamic Frequency | 1150 | 1300 MHz | 1200 | 1200 | 1100 |
| Height | 0.6 | 1.57 inches | 0.6 | N/A | 1.5 |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX2 | AVX2 |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| L2 Cache | 4 | 12 MB | 4 | 12 | 4 |
| L3 Cache | 16 | 20 MB | 16 | 20 | 16 |
| Max Boost Clock | 4.8 | 5.0 GHz | 5.0 | 4.9 | 5.0 |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| Memory Type Support | DDR4 & DDR5 | DDR4 & DDR5 | DDR5 | DDR4 & DDR5 | DDR4 & DDR5 |
| Overclocking Support | No | Yes | Yes | Yes | Yes |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 |
| Product Name | Intel Core i7-12700 Processor | Intel Core i7-12700K (788323-B21) | P05683-L21 | 878133-B21 | Intel Core i7-12700K |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | None | SGX | None | SGX | SGX |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 95W | 125W | 125W | 125W | 125W |
| Threads | 16 | 20 | 16 | 20 | 16 |
| Unlocked | No | Yes | Yes | Yes | Yes |
| Use Case | Gaming | Gaming / Workstation / Overclocking | Gaming | Gaming | Gaming |
| Virtualization Support | Intel VT-x | Intel VT-x / Intel VT-d | Intel VT-x / Intel VT-d | Intel VT-x | Intel VT-x |
| Weight | 0.3 | 0.3 lbs | 0.3 | N/A | 0.5 |
| Width | 1.4 | 1.57 inches | 1.5 | N/A | 1.75 |
Reviews & Ratings
F
Furqan Malik
4
Strong performance for latency-sensitive enterprise workloads.
H
Henry Lockwood
4
Stable under sustained high utilization.
S
Saira Khurshid
5
Met expectations for mission-critical systems.
P
Patrick O'Leary
4
A premium FIO processor for DL580 Gen9.
Questions & Answers
What is the HPE DL580 Gen9 Xeon E7-8891v4 FIO Processor Kit (SKU: 816659-L21)?
The HPE DL580 Gen9 Xeon E7-8891v4 FIO Processor Kit (816659-L21) includes a single Intel Xeon E7-8891v4 2.8 GHz 10-core CPU with 60 MB cache, designed for high-performance HPE ProLiant DL580 Gen9 servers.
Which servers are compatible with SKU 816659-L21?
SKU 816659-L21 is compatible exclusively with HPE ProLiant DL580 Gen9 chassis and requires the matching system board and supported firmware.
What performance improvements does the Xeon E7-8891v4 deliver?
The Xeon E7-8891v4 delivers up to 2.8 GHz base frequency, 10 cores, Hyper-Threading, and 60 MB SmartCache, boosting virtualization, large database throughput, and mission-critical workloads.
How many processor sockets are supported per server?
The HPE DL580 Gen9 supports up to four Xeon E7-8891v4 processors, enabling up to 40 physical cores and 80 threads per server for maximum parallel processing.
What is the thermal design power (TDP) of this processor kit?
The Intel Xeon E7-8891v4 processor in this kit has a TDP of 165 W, requiring adequate server cooling and a compatible heatsink.
Does the processor kit include thermal grease or heatsink?
Yes. SKU 816659-L21 ships as a Factory Integrated Option (FIO) and includes the pre-applied thermal interface material and server-specific heatsink installation.
Can I mix different Intel Xeon E7 v4 CPUs in the same server?
No. HPE recommends installing identical Xeon E7-8891v4 CPUs per server to maintain optimal performance and firmware compatibility.
What warranty coverage applies to this HPE processor kit?
The processor kit is covered under the original HPE ProLiant server warranty, including parts and labor for the remaining term or one year from installation, whichever is longer.
How does this kit enhance virtualization capacity?
With 10 cores, Hyper-Threading, and expansive cache, the Xeon E7-8891v4 scales up virtual machine density and reduces latency in hypervisor environments.
Is firmware update required for installation?
Yes. Before installing SKU 816659-L21, update HPE iLO and system BIOS to the latest Gen9 revisions to ensure full processor support.
What memory configurations are supported with this processor?
The DL580 Gen9 supports up to 6 TB of DDR4 SmartMemory across 48 DIMM slots, with support for registered and load-reduced DIMMs.
Can I install this processor kit myself?
Yes. HPE FIO kits are designed for seamless integration during factory ordering; field upgrades should be performed by qualified HPE service technicians.
What are the typical use cases for Xeon E7-8891v4?
Ideal for large-scale databases, in-memory analytics, enterprise ERP, and virtualization clusters demanding high reliability and performance.
Where can I purchase the 816659-L21 processor kit?
Purchase through authorized HPE channel partners or the HPE Store to ensure genuine parts and full warranty support.
How does the 60 MB SmartCache benefit workloads?
The 60 MB SmartCache dynamically allocates cache to active cores, reducing memory latency and accelerating data-intensive applications.
What power supply requirements should I consider?
Ensure your ProLiant DL580 Gen9 is equipped with redundant Platinum or Titanium efficiency power supplies rated for at least 165 W per CPU plus peripheral loads.