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The Xeon E3-1240v6 offers excellent clock speed for transactional workloads.
871053-L21
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HPE DL20 Gen9 Intel Xeon E3-1240v6 (3.7 GHz/4-core/8MB/72 W)...
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871053-L21
- Description:
- HPE DL20 Gen9 Intel Xeon E3-1240v6 (3.7 GHz/4-core/8MB/72 W) FIO Processor Kit
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871053-L21 Overview
871053-L21 is an Intel Core processor from the Intel 12th Gen Alder Lake series featuring the LGA 1700 socket, 6 cores and 12 threads with a base clock of 2.5 GHz and a max boost clock of 4.4 GHz. It comes equipped with a 6 MB L2 cache and an 18 MB L3 cache, and is engineered with a thermal design power of 65W for reliable performance across demanding tasks including gaming and workstation environments.
The processor integrates Intel UHD Graphics 730 with a graphics base frequency of 300 MHz and a max dynamic frequency of 1300 MHz, and supports dual-channel DDR4 & DDR5 memory. With PCIe 5.0 connectivity, non-overclockable design, and compatibility with LGA 1700 chipsets, this chip is purpose-built for high-performance desktop usage and general computing needs.
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871053-L21 Specifications
- Weight
- N/A
- Width
- 1.48 inches
- Depth
- 1.48 inches
- ECC Support
- No
- Use Case
- Gaming
- Height
- 0.08 inches
- CPU Socket
- LGA 1700
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Product Type
- Processors
- Brand
- Intel
- Virtualization Support
- Intel VT-x
- Overclocking Support
- No
- Unlocked
- No
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Security Features
- None
- Instruction Set Extensions
- AVX2
- Graphics Base Frequency
- 300 MHz
- Memory Type Support
- DDR4 & DDR5
- Generation
- Intel 12th Gen
- Architecture
- Alder Lake
- Cooler Included
- Yes
- TDP
- 65W
- Cores
- 6
- Threads
- 12
- Graphics Max Dynamic Frequency
- 1300 MHz
- Integrated Graphics
- Intel UHD Graphics 730
- L2 Cache
- 6 MB
- L3 Cache
- 18 MB
- Max Boost Clock
- 4.4 GHz
- Base Clock
- 2.5 GHz
- Product Name
- Intel Core i5-12400
871053-L21 Use Case
SMB Virtualization Host for Consolidated Workloads
Small to mid-sized businesses deploy the 871053-L21 HPE DL20 Gen9 with Intel Xeon E3-1240v6 as a virtualization host under VMware ESXi or Microsoft Hyper-V. In a typical 20-user office environment, this server runs four virtual machines—file sharing, print services, mail relay and domain controller—on a single chassis. Benefit: 50% lower rack space and power costs, 30% faster VM provisioning, and centralized IT management, delivering higher ROI and simpler operations.
Edge Compute Node for Retail IoT Data Aggregation
A retail chain installs the HPE DL20 Gen9 871053-L21 at each store’s network closet to ingest POS transactions, CCTV video analytics and inventory sensor data in real time. Leveraging the Intel Xeon E3-1240v6’s 4 cores/8 threads, local preprocessing and caching minimize WAN traffic and ensure sub-50ms response times for digital signage and stock alerts. Outcome: 40% bandwidth savings, 20% faster customer checkout, and enhanced data resilience at the edge.
Web & Database Application Server for Fast-Growing E-Commerce
An emerging e-commerce startup uses the HPE DL20 Gen9 with Intel Xeon E3-1240v6 to power its LAMP stack—Apache, MySQL and PHP—serving 5,000 daily active shoppers. The server’s 3.7 GHz base clock and 8MB cache sustain peak load bursts, maintaining page loads under 200 ms. Benefit: 99.9% uptime SLA, 25% reduction in query latency, and seamless scale-up to support holiday promotional traffic, improving customer experience and conversion rates.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 871053-L21 |  822437-L21 |  P06652-L21 |  872140-L21 |  P06638-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 | 64 GB |
| Memory Type Support | DDR4 & DDR5 | DDR4 & DDR5 | DDR5 | DDR5 | DDR5 |
| Generation | Intel 12th Gen | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen | Intel 13th Gen |
| Architecture | Alder Lake | Alder Lake | Raptor Lake | Raptor Lake | Raptor Lake |
| ECC Support | No | No | No | No | No |
| Security Features | None | SGX | SGX | SGX | SGX |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX2 | AVX-512 |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Cores | 6 | 8 | 8 | 8 | 8 |
| Threads | 12 | 16 | 16 | 16 | 16 |
| Base Clock | 2.5 GHz | 3.6 GHz | 3.6 | 3.6 | 3.6 GHz |
| Max Boost Clock | 4.4 GHz | 4.8 GHz | 5.0 | 5.0 | 5.0 GHz |
| Overclocking Support | No | Yes | No | Yes | Yes |
| L2 Cache | 6 MB | 4 MB | 4 | 4 | 4 MB |
| L3 Cache | 18 MB | 16 MB | 16 | 16 | 16 MB |
| TDP | 65W | 125W | 125W | 125W | 125W |
| Integrated Graphics | Intel UHD Graphics 730 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| Graphics Base Frequency | 300 MHz | 350 MHz | 350 | 350 | 350 MHz |
| Graphics Max Dynamic Frequency | 1300 MHz | 1200 MHz | 1200 | 1200 | 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 | No | Yes | No | Yes | Yes |
| Cooler Included | Yes | No | No | No | No |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming |
| Product Name | Intel Core i5-12400 | Intel Core i7-822437-L21 | Intel Core i7 P06652-L21 | Intel Core i7-872140-L21 | Intel Core i7 P06638-L21 |
| Height | 0.08 inches | 0.5 inches | 0.5 inches | 0.20 | 1.4 |
| Width | 1.48 inches | 1.4 inches | 1.2 inches | 1.50 | 1.4 |
| Depth | 1.48 inches | 1.4 inches | 1.2 inches | 1.50 | 0.6 |
| Weight | N/A | 0.3 lbs | 0.3 lbs | 0.30 | 0.6 |
Reviews & Ratings
H
Hamza Qureshi
4
Reliable processor for small-scale virtualization and business applications.
M
Matthew Collins
4
Stable performance across daily operations with minimal power draw.
S
Sadia Rauf
5
Easy to deploy and performed well in production.
J
Julian Frost
5
A solid CPU choice for compact enterprise servers.
Questions & Answers
What does the HPE DL20 Gen9 Intel Xeon E3-1240v6 FIO Processor Kit include?
The kit includes a factory-integrated Intel Xeon E3-1240v6 CPU installed on an HPE FIO carrier board, pre-applied thermal interface material, an integrated heatsink, and all necessary mounting hardware.
Which HPE servers are compatible with SKU 871053-L21?
This FIO Processor Kit is compatible with HPE ProLiant DL20 Gen9 servers utilizing the FCLGA1151 socket on Gen9 system boards.
What are the core, thread, and cache specifications of the Intel Xeon E3-1240v6?
The Intel Xeon E3-1240v6 features 4 physical cores, 8 threads via Hyper-Threading, and an 8 MB Intel Smart Cache.
What are the base and turbo clock speeds of the Xeon E3-1240v6?
The processor has a 3.7 GHz base frequency and can turbo boost up to 4.1 GHz on lightly threaded workloads.
What is the thermal design power (TDP) of this processor?
The Intel Xeon E3-1240v6 operates at a 72 W TDP, balancing high performance with energy efficiency.
Which CPU socket does the FIO Processor Kit require?
This kit requires an FCLGA1151 socket on HPE ProLiant Gen9 server system boards.
Does the Xeon E3-1240v6 support Hyper-Threading and Intel Virtualization Technology?
Yes. The CPU supports Intel Hyper-Threading for 8-thread parallelism and Intel VT-x and VT-d for hardware-assisted virtualization.
What memory types, capacities, and ECC support are available with this processor?
It supports up to 64 GB of DDR4 UDIMM memory at 2400 MT/s with full ECC error-correction support.
How much performance improvement can I expect compared to the stock processor?
Upgrading to the Xeon E3-1240v6 can boost single-thread performance by up to 15% and multi-thread workloads by up to 25% over Gen8 E3-1200 v5 processors.
Is a firmware or BIOS update required before installation?
Yes. HPE recommends updating to the latest BIOS/firmware version for Gen9 servers to ensure full compatibility and performance.
How do I install the HPE DL20 Gen9 FIO Processor Kit?
Power down the server, remove the system board interposer, install the FIO carrier with the CPU, secure the heatsink, reassemble the interposer, and apply the latest BIOS update.
Does this kit include a heatsink and thermal interface material?
Yes. The integrated heatsink comes pre-mounted with factory-applied thermal interface material for reliable cooling.
What warranty coverage does this HPE processor kit have?
The SKU 871053-L21 includes a standard one-year limited warranty backed by HPE support services.
Can I overclock the Intel Xeon E3-1240v6 on the HPE DL20 Gen9?
No. HPE Gen9 servers and Intel Xeon E3 series processors do not support overclocking to maintain platform stability and warranty compliance.
What is the power consumption and efficiency of this CPU in typical workloads?
In typical mixed-use scenarios, the processor consumes approximately 55–65 W, delivering a high performance-per-watt ratio for enterprise applications.