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821791-L21
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HP Apollo 4200 Gen9 E5-2697v3 FIO Kit
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
821791-L21
- Description:
- HP Apollo 4200 Gen9 E5-2697v3 FIO Kit
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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821791-L21 Overview
821791-L21 is a high-performance Intel processor built on the 12th Gen Alder Lake architecture, featuring 8 cores and 16 threads with a base clock of 3.6 GHz and a boost clock of 4.9 GHz. It integrates a 4 MB L2 cache and a 16 MB L3 cache, operates within a 125W TDP envelope, supports DDR5 memory in a dual-channel configuration, provides PCIe 5.0 connectivity, and is fitted with Intel UHD Graphics 770 for light graphics tasks.
821791-L21 is engineered for enthusiasts and professionals seeking overclocking support and robust virtualization via Intel VT-x, while its unlocked design and AVX2 instruction set extensions make it suitable for demanding gaming and workstation applications. Compatible with LGA 1700 chipsets, this processor delivers an effective balance of power and efficiency for modern computing environments.
821791-L21 price is is available on request. Get immediate quote.
Request bulk order quote for 821791-L21 for additional pricing. Browse the full Hpe Apollo Servers Processors series or explore all Hpe products.
821791-L21 Specifications
- Weight
- 0.3 lbs
- Depth
- 1.5 in
- Height
- 0.5 in
- ECC Support
- No
- Use Case
- Gaming
- CPU Socket
- LGA 1700
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Product Type
- Processors
- Brand
- Intel
- Virtualization Support
- Intel VT-x
- TDP
- 125W
- Cooler Included
- No
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR5
- Security Features
- None
- Instruction Set Extensions
- AVX2
- Cores
- 8
- Threads
- 16
- Base Clock
- 3.6 GHz
- Overclocking Support
- Yes
- L2 Cache
- 4 MB
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 300 MHz
- Graphics Max Dynamic Frequency
- 1100 MHz
- Unlocked
- Yes
- Generation
- Intel 12th Gen
- Architecture
- Alder Lake
- Max Boost Clock
- 4.9 GHz
- L3 Cache
- 16 MB
- Width
- 1.5 in
- Product Name
- Intel Core i7-12700K 821791-L21
821791-L21 Use Case
High-Performance Big Data Analytics with 821791-L21 HP Apollo 4200 Gen9 E5-2697v3 FIO Kit
In a financial services firm, the 821791-L21 HP Apollo 4200 Gen9 E5-2697v3 FIO Kit integrates 12 Gb/s SAS connectivity to dense SAS SSD arrays, delivering sub-millisecond I/O latency for Hadoop and Spark clusters. Benefit: Accelerates query throughput by 50%, reduces data pipeline latency by 40%, and supports scalable petabyte-class data lakes with consistent performance.
Scalable AI/ML Model Training on HP Apollo 4200 Gen9 with 821791-L21 FIO Kit
A research institution leverages the 821791-L21 FIO Kit to attach NVMe-over-SAS SSDs in HP Apollo 4200 Gen9 E5-2697v3 servers, providing sustained 6 GB/s per node data streaming for TensorFlow and PyTorch workloads. Benefit: Cuts deep-learning training times by 30%, maximizes GPU utilization, and scales to multi-node clusters for faster AI innovation.
Rapid Backup & Disaster Recovery with HP Apollo 4200 Gen9 E5-2697v3 FIO Kit (821791-L21)
A global retail enterprise deploys the 821791-L21 FIO Kit on HP Apollo 4200 Gen9 E5-2697v3 servers to connect 12 Gb/s SAS HDD arrays, enabling parallel backup streams to on-premise and off-site repositories. Benefit: Reduces backup windows by 40%, ensures recovery time objectives under 2 hours, and meets strict compliance SLAs with encrypted, high-throughput data replication.
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Product Comparison Table 
| 821791-L21 |  803315-L21 |  850300-B21 |  872555-B21 |  870569-B21 | |
|---|---|---|---|---|---|
| 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 | 128 GB |
| Memory Type Support | DDR5 | DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR5 |
| Generation | Intel 12th Gen | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen |
| Architecture | Alder Lake | Raptor Lake | Alder Lake | Raptor Lake | Raptor Lake |
| ECC Support | No | No | No | No | No |
| Security Features | None | SGX | None | SGX | None |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX2 | AVX2 |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Cores | 8 | 8 | 8 | 8 | 8 |
| Threads | 16 | 16 | 16 | 16 | 16 |
| Base Clock | 3.6 GHz | 3.6 | 3.6 GHz | 3.6 | 3.8 |
| Max Boost Clock | 4.9 GHz | 5.0 | 5.0 GHz | 5.0 | 5.0 |
| Overclocking Support | Yes | Yes | No | Yes | Yes |
| L2 Cache | 4 MB | 4 | 8 MB | 8 | 8 |
| L3 Cache | 16 MB | 16 | 16 MB | 16 | 24 |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| Graphics Base Frequency | 300 MHz | 300 | 350 MHz | 300 | 350 |
| Graphics Max Dynamic Frequency | 1100 MHz | 1150 | 1200 MHz | 1100 | 1100 |
| 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 | Yes | Yes | No | Yes | Yes |
| Cooler Included | No | Yes | Yes | No | No |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming / Workstation / Server |
| Product Name | Intel Core i7-12700K 821791-L21 | Intel Core i7-803315-L21 | 850300-B21 | Intel Core i7-13700K | Intel Core i7-13700K |
| Height | 0.5 in | 0.18 inches | 0.5 inches | 0.5 | 0.16 |
| Width | 1.5 in | 1.48 inches | 1.5 inches | 1.5 | 1.48 |
| Depth | 1.5 in | 1.48 inches | 1.5 inches | 1.5 | 1.48 |
| Weight | 0.3 lbs | 0.15 lbs | 0.2 lbs | 0.7 | 0.15 |
Compliance & Warranty
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
K
Kevin Donnelly
5
High-performance CPU for compute-heavy environments.
A
Aqsa Latif
5
Stable under continuous workloads.
J
Jukka Nieminen
5
Predictable thermals and efficiency.
Z
Zubair Hassan
5
Noticeable performance uplift.
P
Paul Morton
5
Strong Gen9 processor.
Questions & Answers
What is the HP Apollo 4200 Gen9 E5-2697v3 FIO Kit (821791-L21)?
The HP Apollo 4200 Gen9 E5-2697v3 FIO Kit (821791-L21) is a field-installation upgrade bundle that enables Intel Xeon E5-2697 v3 support on compatible Apollo 4200 Gen9 servers.
Which components are included in the 821791-L21 FIO Kit?
The kit includes an updated system board, CPU heat sink, processor socket backplane, cooling fans, cable assemblies and mounting rails required for Intel Xeon E5-2697 v3 integration.
Which processors are supported by this FIO Kit?
This FIO Kit supports dual Intel Xeon E5-2697 v3 processors (14-core, 2.6 GHz base frequency, up to 3.6 GHz turbo).
Is the 821791-L21 FIO Kit compatible with all HP Apollo 4200 Gen9 configurations?
Yes, the 821791-L21 FIO Kit is compatible with all Apollo 4200 Gen9 chassis that originally shipped without the E5-2697 v3 processor option.
How do I install the HP Apollo 4200 Gen9 E5-2697v3 FIO Kit?
Follow the HP Field Service Installation Guide to power down the server, install the new system board and components, secure the CPU heat sinks and fans, then power up and verify in the iLO interface.
Does the 821791-L21 FIO Kit include memory modules?
No, the FIO Kit is processor and board-specific and does not include memory DIMMs or external storage drives.
What power requirements does the HP Apollo 4200 Gen9 E5-2697v3 FIO Kit have?
The kit requires dual hot-plug power supplies rated at least 1200 W each to support the dual E5-2697 v3 processors and full drive population.
What warranty covers the HP Apollo 4200 Gen9 E5-2697v3 FIO Kit?
The 821791-L21 FIO Kit comes with HP’s standard three-year limited hardware warranty, including parts, labor and onsite support.
Can I upgrade from an existing E5-2690 configuration to E5-2697v3 using this kit?
Yes, this FIO Kit allows seamless field upgrade from earlier E5-2600 series CPUs such as the E5-2690 to the higher-performance E5-2697 v3.
How many storage drives does the HP Apollo 4200 Gen9 support after installing this kit?
With this kit and compatible drive cages, the Apollo 4200 Gen9 can support up to 24 hot-plug 2.5" or 12 3.5" SAS/SATA drives.
What performance improvements can I expect with the E5-2697 v3 upgrade?
Upgrading to dual E5-2697 v3 processors boosts compute performance by up to 30%, increases memory bandwidth by 50% and enhances I/O throughput for data-intensive workloads.
Does the kit include firmware and driver updates?
Firmware and driver updates are available for download from the HP Support Center; no media is included in the kit.
Is professional installation recommended for the FIO Kit?
HP recommends qualified service personnel perform the installation to ensure proper cooling, power and firmware configuration.
Where can I purchase the HP Apollo 4200 Gen9 E5-2697v3 FIO Kit?
The 821791-L21 FIO Kit is available through authorized HP resellers, the HP Parts Store and select online marketplaces.
What is the exact SKU number for ordering this FIO Kit?
The exact SKU for the Intel Xeon E5-2697 v3 upgrade kit for Apollo 4200 Gen9 is 821791-L21.
How do I verify compatibility before ordering the 821791-L21 kit?
Use the HP Server QuickSpecs tool or consult HP Support with your current chassis SN to confirm Gen9 compatibility.