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E5-2643v4 FIO delivered strong single-core performance.
817939-L21
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HPE DL380 Gen9 Xeon E5-2643v4 (3.4GHz/6-core/20MB/135W) FIO...
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817939-L21
- Description:
- HPE DL380 Gen9 Xeon E5-2643v4 (3.4GHz/6-core/20MB/135W) FIO Processor Kit
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817939-L21 Overview
817939-L21 is an Intel Core processor from the Intel 12th Gen Alder Lake series featuring 12 cores and 20 threads on an LGA 1700 socket. It operates at a base clock of 3.6 GHz that can boost up to 5.0 GHz, and it incorporates 12 MB of L2 cache plus 20 MB of L3 cache, all within a 125W thermal design power envelope. Integrated Intel UHD Graphics 770 offers solid graphics performance for everyday tasks.
This unlocked processor supports high-speed DDR5 memory in a dual-channel configuration and integrates PCIe 5.0 for cutting-edge connectivity. Designed primarily for gaming and workstation use, 817939-L21 is compatible with select Intel chipsets, making it an ideal choice for enthusiasts seeking overclocking potential and robust performance in demanding computing environments.
817939-L21 price is is available on request. Get immediate quote.
Request bulk order quote for 817939-L21 for additional pricing. Browse the full Hpe Dl380 Server Processors series or explore all Hpe products.
817939-L21 Specifications
- Product Type
- Processors
- Brand
- Intel
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- 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
- 12
- Threads
- 20
- Base Clock
- 3.6
- Max Boost Clock
- 5.0
- Overclocking Support
- Yes
- L2 Cache
- 12
- L3 Cache
- 20
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350
- Graphics Max Dynamic Frequency
- 1350
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i7-12700K
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
817939-L21 Use Case
Server Virtualization Acceleration with 817939-L21 HPE DL380 Gen9 Xeon E5-2643v4 Kit
Scenario: An enterprise data center running VMware ESXi on HPE DL380 Gen9 servers installs the 817939-L21 HPE DL380 Gen9 Xeon E5-2643v4 (3.4GHz/6-core/20MB/135W) FIO Processor Kit to boost CPU throughput. Outcome: VM density increases by 30%, rack footprint shrinks 25%, and cooling costs drop 15%, delivering higher consolidation ratios and lower TCO.
Real-Time IoT Analytics on HPE DL380 Gen9 with Xeon E5-2643v4 Upgrade
Scenario: A manufacturing firm processes machine-sensor data streams on edge servers. By upgrading to the 817939-L21 HPE DL380 Gen9 Xeon E5-2643v4 FIO Processor Kit, they achieve faster in-memory computations. Outcome: Query latency falls by 40%, actionable insights surface in under 2 seconds, and production downtime is cut by 20%, ensuring agile decision-making.
High-Performance SQL Transactional Database on Gen9 with Xeon E5-2643v4 Kit
Scenario: A financial services provider runs high-volume SQL Server workloads on HPE DL380 Gen9. Integrating the 817939-L21 Xeon E5-2643v4 FIO Processor Kit elevates single-thread performance to 3.4 GHz. Outcome: Transaction throughput rises 45%, peak latency drops 30%, and SLA uptime targets exceed 99.99%, driving superior customer experiences.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 817939-L21 |  P11825-B21 |  P11831-B21 |  P02508-B21 |  P02493-L21 | |
|---|---|---|---|---|---|
| Architecture | Alder Lake | Raptor Lake | Raptor Lake | Raptor Lake | Alder Lake |
| Base Clock | 3.6 | 3.2 | 3.6 GHz | 3.6 | 3.2 GHz |
| 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 | No | No | Yes | No | No |
| Cores | 12 | 12 | 8 | 8 | 8 |
| Depth | N/A | 0.12 inches | 1.0 inches | 0.2 | 1.2 inches |
| ECC Support | No | No | No | No | No |
| Generation | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 12th Gen |
| Graphics Base Frequency | 350 | N/A | 350 MHz | 300 | 350 MHz |
| Graphics Max Dynamic Frequency | 1350 | N/A | 1100 MHz | 1350 | 1100 MHz |
| Height | N/A | 1.38 inches | 1.2 inches | 1.5 | 1.5 inches |
| 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 | 12 | 12 | 8 MB | 4 MB | 8 MB |
| L3 Cache | 20 | 24 | 16 MB | 16 MB | 20 MB |
| Max Boost Clock | 5.0 | 4.8 | 5.0 GHz | 5.0 | 4.9 GHz |
| Max Memory Support | 128 GB | 256 GB | 128 GB | 128 GB | 128 GB |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| Memory Type Support | DDR5 | DDR4 & DDR5 | DDR5 | DDR5 | DDR5 |
| Overclocking Support | Yes | No | Yes | Yes | Yes |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 |
| Product Name | Intel Core i7-12700K | Intel Core P11825-B21 | Intel Core P11831-B21 | P02508-B21 High-Performance Processor | Intel Core i7 P02493-L21 |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | None | SGX | SGX | None | None |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Threads | 20 | 24 | 16 | 16 | 16 |
| Unlocked | Yes | No | Yes | Yes | Yes |
| Use Case | Gaming | Gaming / Workstation / General Use | Gaming | Gaming | Gaming |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Weight | N/A | 0.25 lbs | 0.75 lbs | 0.25 | 0.35 lbs |
| Width | N/A | 1.38 inches | 1.2 inches | 1.5 | 0.8 inches |
Reviews & Ratings
K
Kashif Mehmood
5
Ideal for latency-sensitive tasks.
L
Leonard Shaw
5
Stable CPU for specialized workloads.
M
Murtaza Ali
5
Good clock speed and reliability.
N
Nathan Brooks
5
Dependable Gen9 option.
Questions & Answers
What is the HPE DL380 Gen9 Xeon E5-2643v4 (3.4GHz/6-core/20MB/135W) FIO Processor Kit (SKU 817939-L21)?
The HPE DL380 Gen9 Xeon E5-2643v4 FIO Processor Kit (SKU 817939-L21) is a factory-integrated upgrade for ProLiant DL380 Gen9 servers featuring a 6-core Intel Xeon E5-2643v4 CPU at 3.4 GHz, 20 MB L3 cache, and a 135 W TDP.
Which processor model does SKU 817939-L21 provide?
SKU 817939-L21 provides the Intel Xeon E5-2643v4 processor.
How many cores and threads does the Xeon E5-2643v4 support?
The Intel Xeon E5-2643v4 supports 6 physical cores and 12 threads with Hyper-Threading enabled.
What are the base and Turbo Boost frequencies of the E5-2643v4?
It runs at a base clock of 3.4 GHz and can boost up to 3.6 GHz using Intel Turbo Boost Technology.
How much cache does the Xeon E5-2643v4 include?
The Xeon E5-2643v4 features 20 MB of Intel Smart Cache.
What is the thermal design power (TDP) of this processor kit?
The Intel Xeon E5-2643v4 has a thermal design power of 135 W.
Which HPE servers are compatible with SKU 817939-L21?
This FIO Processor Kit is compatible exclusively with HPE ProLiant DL380 Gen9 servers.
How does this processor kit improve server performance?
It delivers higher per-core clock speeds and cache capacity, boosting compute-intensive workloads such as databases and virtualization.
Does the Intel Xeon E5-2643v4 support Hyper-Threading?
Yes, the Xeon E5-2643v4 supports Intel Hyper-Threading Technology, providing 12 simultaneous threads.
What type and speed of memory does this CPU support?
It supports quad-channel DDR4 memory up to 2133 MT/s.
Are there any BIOS or firmware requirements for installation?
Yes, installation requires HPE UEFI BIOS version 2.50 or later and the latest HPE Smart Update Manager.
How do I install the FIO Processor Kit in my server?
Use HPE Smart Update Manager to deploy the FIO option, following the ProLiant DL380 Gen9 installation guide.
What warranty covers the HPE FIO Processor Kit (SKU 817939-L21)?
It is covered under HPE’s standard 3-year limited warranty, subject to HPE’s warranty terms and conditions.
What power supply capacity is recommended for this 135 W CPU?
HPE recommends at least an 800 W Platinum or higher redundant power supply for optimal performance.
What are the ideal use cases for the Xeon E5-2643v4 processor?
It’s ideal for compute-intensive applications like virtualization, engineering simulations, and database workloads requiring high clock speeds.
Can I install more than one of these processor kits in a single server?
Yes, the DL380 Gen9 supports dual-socket configurations, allowing up to two Xeon E5-2643v4 kits.
Where can I purchase the HPE DL380 Gen9 Xeon E5-2643v4 FIO Processor Kit (SKU 817939-L21)?
You can purchase it through HPE authorized resellers or the HPE Store by searching for SKU 817939-L21.