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E5-2695v4 delivered strong multi-core performance.
817961-L21
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HP E5-2695V4 2.1G 18C
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817961-L21
- Description:
- HP E5-2695V4 2.1G 18C
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817961-L21 Overview
817961-L21 is an Intel processor from the Intel Core series built on the 13th Gen Raptor Lake architecture and designed for the LGA 1700 socket. It features 8 cores and 16 threads with a base clock of 3.6 GHz that can boost up to 4.8 GHz, backed by 4 MB of L2 cache and 16 MB of L3 cache, and operates at a 125W thermal design power; it also includes Intel UHD Graphics 770 for integrated graphics performance.
Optimized for gaming and high-performance computing, 817961-L21 supports both DDR4 and DDR5 memory in a dual-channel configuration and is equipped with PCIe 5.0 connectivity. With overclocking support and a design that targets desktop use cases such as gaming, workstation applications, and even server setups when paired with compatible modern chipsets, this processor offers a well-balanced mix of efficiency and power.
817961-L21 price is is available on request. Get immediate quote.
Request bulk order quote for 817961-L21 for additional pricing. Browse the full Hpe Dl380 Server Processors series or explore all Hpe products.
817961-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
- 3.6 GHz
- Max Boost Clock
- 4.8 GHz
- Overclocking Support
- Yes
- L2 Cache
- 4 MB
- L3 Cache
- 16 MB
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 300 MHz
- Graphics Max Dynamic Frequency
- 1.2 GHz
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- Yes
- Cooler Included
- No
- Use Case
- Gaming
- Product Name
- Intel Core i7-817961-L21
- Height
- 0.6 inches
- Width
- 0.6 inches
- Depth
- 0.2 inches
- Weight
- 0.25 lbs
817961-L21 Use Case
High-Performance Scientific Simulations with HP E5-2695V4 2.1G 18C
In a national research center, computational scientists deploy a 817961-L21-HP E5-2695V4 2.1 GHz 18-core cluster to accelerate finite element analysis and climate modeling. By leveraging the processor’s high core count and advanced cache architecture, simulation turn-around times improve by up to 40%, enabling faster hypothesis testing, more granular results and reduced total cost of compute.
Enterprise Virtualization Density for Cloud-Native Data Centers
A global enterprise IT department standardizes on blade servers equipped with dual 817961-L21-HP E5-2695V4 2.1 GHz 18-core CPUs to host VMware vSphere and Kubernetes clusters. The result is 30% greater virtual machine density and 25% lower per-VM licensing costs, delivering predictable performance for mission-critical applications and maximizing rack-space efficiency.
Real-Time Big Data Analytics and In-Memory Computing
A financial services firm integrates 817961-L21-HP E5-2695V4 2.1 GHz 18-core nodes into its Apache Spark and in-memory database infrastructure. The platform processes over 1 TB of streaming market data per hour with sub-second query latency, driving faster algorithmic trading decisions, improved risk analysis and a measurable uplift in revenue opportunities.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 817961-L21 |  P02540-B21 |  P02530-L21 |  826874-B21 |  826850-B21 | |
|---|---|---|---|---|---|
| Architecture | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake | Raptor Lake |
| Base Clock | 3.6 GHz | 3.2 GHz | 3.6 | 3.8 GHz | 3.6 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 | Yes | No | No | No |
| Cores | 8 | 8 | 16 | 8 | 8 |
| Depth | 0.2 inches | 1.5 inches | 1.55 inches | 1.6 inches | N/A |
| ECC Support | No | No | No | No | No |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen |
| Graphics Base Frequency | 300 MHz | 350 MHz | 300 | 300 MHz | 350 MHz |
| Graphics Max Dynamic Frequency | 1.2 GHz | 1150 MHz | 1150 | 1150 MHz | 1100 MHz |
| Height | 0.6 inches | 0.15 inches | 0.6 inches | 0.2 inches | N/A |
| Instruction Set Extensions | AVX2 | AVX2 | AVX-512 | 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 MB | 4 MB | 2 | 4 MB | 8 MB |
| L3 Cache | 16 MB | 16 MB | 24 | 24 MB | 24 MB |
| Max Boost Clock | 4.8 GHz | 4.8 GHz | 5.0 | 5.0 GHz | 5.0 GHz |
| 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 | DDR5 | DDR5 | DDR5 | DDR4 & DDR5 |
| Overclocking Support | Yes | 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 i7-817961-L21 | Intel Core i7-13700K (P02540-B21) | P02530-L21 | 826874-B21 | 826850-B21 |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | SGX | None | None | None | None |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Threads | 16 | 16 | 32 | 16 | 16 |
| Unlocked | Yes | Yes | Yes | Yes | Yes |
| Use Case | Gaming | Gaming / Workstation / Server | Gaming | Gaming / Workstation | Gaming / Workstation |
| Virtualization Support | Intel VT-x | Intel VT-x / Intel VT-d | Intel VT-x | Intel VT-x | Intel VT-x |
| Weight | 0.25 lbs | 0.25 lbs | 0.5 lbs | 0.2 lbs | N/A |
| Width | 0.6 inches | 1.5 inches | 1.55 inches | 1.6 inches | N/A |
Reviews & Ratings
V
Victor Hughes
5
Reliable processor for high-density workloads.
W
Waqas Tanveer
5
No stability issues in production use.
X
Xander Cole
5
Excellent CPU for Gen9 virtualization.
Y
Yasir Hameed
5
Consistent performance across workloads.
Questions & Answers
What is the HP E5-2695V4 2.1G 18C (SKU 817961-L21)?
The HP E5-2695V4 2.1G 18C (SKU 817961-L21) is an Intel Xeon v4-series server processor offering 18 cores, 36 threads, and a base clock of 2.1 GHz for enterprise workloads.
How many cores and threads does the HP E5-2695V4 deliver?
It delivers 18 physical cores and 36 threads via Intel Hyper-Threading Technology to maximize parallel processing power.
What are the base and maximum turbo frequencies?
The CPU runs at a base frequency of 2.1 GHz and can turbo boost up to 3.3 GHz on select cores under Intel Turbo Boost Technology.
What is the processor’s cache size?
It features a 45 MB Smart Cache shared across all cores to accelerate data access and reduce latency.
Which socket does the HP E5-2695V4 use?
This processor is compatible with the LGA 2011-3 (Socket R3) platform commonly used in HP ProLiant Gen9 servers.
What is the thermal design power (TDP)?
The thermal design power (TDP) is rated at 145 W, requiring appropriate cooling solutions to maintain optimal performance.
Which memory types and channels are supported?
It supports up to four channels of DDR4 ECC Registered DIMMs at 1,866 MT/s, ensuring high throughput and data integrity.
Does the HP E5-2695V4 support ECC memory?
Yes, it fully supports ECC memory modules for enhanced reliability and error correction in mission-critical environments.
Which HP servers are compatible with SKU 817961-L21?
It is compatible with HP ProLiant Gen9 servers such as the DL380, DL360, DL580, and XL systems equipped with LGA 2011-3 sockets.
What performance improvements does it offer over previous generations?
Compared to the v3 generation, it delivers up to 15% better core performance and improved memory bandwidth through DDR4 support.
Is the HP E5-2695V4 suitable for virtualization?
Yes, with 36 threads, large cache, and Intel Virtualization Technology, it excels at running multiple VMs and containers.
Can I overclock the HP E5-2695V4 2.1G 18C?
Overclocking is not officially supported; performance scaling is managed automatically via Intel Turbo Boost Technology.
What are the typical use cases for this processor?
It is ideal for database servers, virtualization hosts, HPC applications, and other data-intensive enterprise workloads.
How do I install the HP E5-2695V4 in my server?
Align the processor with the socket keying on the LGA 2011-3 board, seat it gently, lock the ZIF lever, apply thermal interface material, and attach the compatible heatsink.
What warranty and support options are available?
HP offers a limited warranty backed by global support, with optional ProLiant Care Pack service agreements for extended coverage.
Where can I purchase genuine SKU 817961-L21?
You can purchase from authorized HP resellers, the official HP store, or certified third-party distributors to ensure authenticity and support.