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817939-L21
HPE DL380 Gen9 Xeon E5-2643v4 (3.4GHz/6-core/20MB/135W) FIO...
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
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.
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.
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.
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.
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| 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 |
| ECC Support | No | No | No | No | No |
| Generation | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 12th Gen |
| 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 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
E5-2643v4 FIO delivered strong single-core performance.
Ideal for latency-sensitive tasks.
Stable CPU for specialized workloads.
Good clock speed and reliability.
Dependable Gen9 option.
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.
SKU 817939-L21 provides the Intel Xeon E5-2643v4 processor.
The Intel Xeon E5-2643v4 supports 6 physical cores and 12 threads with Hyper-Threading enabled.
It runs at a base clock of 3.4 GHz and can boost up to 3.6 GHz using Intel Turbo Boost Technology.
The Xeon E5-2643v4 features 20 MB of Intel Smart Cache.
The Intel Xeon E5-2643v4 has a thermal design power of 135 W.
This FIO Processor Kit is compatible exclusively with HPE ProLiant DL380 Gen9 servers.
It delivers higher per-core clock speeds and cache capacity, boosting compute-intensive workloads such as databases and virtualization.
Yes, the Xeon E5-2643v4 supports Intel Hyper-Threading Technology, providing 12 simultaneous threads.
It supports quad-channel DDR4 memory up to 2133 MT/s.
Yes, installation requires HPE UEFI BIOS version 2.50 or later and the latest HPE Smart Update Manager.
Use HPE Smart Update Manager to deploy the FIO option, following the ProLiant DL380 Gen9 installation guide.
It is covered under HPE’s standard 3-year limited warranty, subject to HPE’s warranty terms and conditions.
HPE recommends at least an 800 W Platinum or higher redundant power supply for optimal performance.
It’s ideal for compute-intensive applications like virtualization, engineering simulations, and database workloads requiring high clock speeds.
Yes, the DL380 Gen9 supports dual-socket configurations, allowing up to two Xeon E5-2643v4 kits.
You can purchase it through HPE authorized resellers or the HPE Store by searching for SKU 817939-L21.
United States
