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P07991-B21
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HPE DL5x0 Gen10 CPU Version 2 Mezzanine Board 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:
P07991-B21
- Description:
- HPE DL5x0 Gen10 CPU Version 2 Mezzanine Board 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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P07991-B21 Overview
P07991-B21 is an Intel Core processor from the Intel 13th Gen Raptor Lake family designed for high-performance desktop applications. It features a LGA 1700 socket with 8 cores and 16 threads, delivering a base clock speed of 3.6 GHz and a boost clock speed of 5.0 GHz. With 4 MB of L2 cache and 16 MB of L3 cache, this processor is engineered for responsive computing under demanding workloads while maintaining a 125W thermal design power (TDP). Integrated with Intel UHD Graphics 770, the chip offers a graphics base frequency of 350 MHz and a max dynamic frequency of 1150 MHz, making it well-suited for both visual computing and gaming tasks.
Optimized for both gaming and workstation use, P07991-B21 supports dual-channel DDR4 & DDR5 memory configurations and is compatible with PCIe 5.0, ensuring high-speed data transfers and system responsiveness. It is unlocked for overclocking, allowing enthusiasts and professionals alike to push performance beyond the baseline. The processor also comes with robust security features such as SGX and supports virtualization via Intel VT-x, aligning it with modern platform requirements and enhancing its capability in versatile computing environments.
P07991-B21 price is is available on request. Get immediate quote.
Request bulk order quote for P07991-B21 for additional pricing. Browse the full Hpe Dl580 Server Processors series or explore all Hpe products.
P07991-B21 Specifications
- Height
- 0.5
- 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
- Generation
- Intel 13th Gen
- Architecture
- Raptor Lake
- Instruction Set Extensions
- AVX2
- Cores
- 8
- Threads
- 16
- Overclocking Support
- Yes
- Integrated Graphics
- Intel UHD Graphics 770
- Unlocked
- Yes
- Memory Type Support
- DDR4 & DDR5
- Base Clock
- 3.6
- Max Boost Clock
- 5.0
- L2 Cache
- 4
- Graphics Base Frequency
- 350
- L3 Cache
- 16
- Security Features
- SGX
- Weight
- 0.25
- Graphics Max Dynamic Frequency
- 1150
- Depth
- 0.2
- Width
- 0.5
- Product Name
- P07991-B21
P07991-B21 Use Case
High-Density Virtualization Consolidation with P07991-B21
In large enterprise data centers running HPE DL560 Gen10 servers, IT architects deploy the P07991-B21-HPE DL5x0 Gen10 CPU Version 2 Mezzanine Board Kit to unlock additional PCIe lanes and advanced memory caching. This enables hosting 50% more virtual machines per chassis, reducing rack-space and licensing costs by 30%. The outcome is streamlined management, higher VM density, and accelerated time-to-provision for critical business applications.
Big Data Analytics Acceleration via Expanded I/O
Data science teams operating Hadoop/Spark clusters on HPE DL580 Gen10 leverage the P07991-B21 CPU Version 2 Mezzanine Board Kit to attach NVMe SSD arrays directly to CPU lanes. By doubling I/O throughput and cutting ETL job times in half, organizations gain real-time insights and faster report generation. The result is a scalable analytics platform that drives strategic decision-making with high-speed, low-latency data access.
Ultra-Low-Latency Trading Infrastructure Deployment
Financial services firms building HPE DL560 Gen10 platforms integrate the P07991-B21-HPE DL5x0 Gen10 CPU Version 2 Mezzanine Board Kit to support specialized network adapters and FPGA accelerators. This configuration delivers sub-microsecond packet processing, meeting stringent SLAs for algorithmic trading. The tangible benefit is minimized market risk and maximized throughput, ensuring competitive advantage in high-frequency trading environments.
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Product Comparison Table 
| P07991-B21 |  P05707-B21 |  P05699-L21 |  878156-L21 |  P05698-B21 | |
|---|---|---|---|---|---|
| Architecture | Raptor Lake | Raptor Lake | Alder Lake | Alder Lake | Alder Lake |
| Base Clock | 3.6 | 3.4 | 3.6 GHz | 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 | No | No | No | No |
| Cores | 8 | 16 | 8 | 8 | 12 |
| ECC Support | No | No | No | No | No |
| Generation | Intel 13th Gen | Intel 13th Gen | Intel 12th Gen | Intel 12th Gen | Intel 12th Gen |
| Graphics Base Frequency | 350 | 350 | 300 MHz | 350 MHz | 350 MHz |
| Graphics Max Dynamic Frequency | 1150 | 1100 | 1100 MHz | 1150 MHz | 1100 MHz |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX2 | AVX-512 |
| 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 | 16 | 4 MB | 8 MB | 12 MB |
| L3 Cache | 16 | 30 | 16 MB | 16 MB | 20 MB |
| Max Boost Clock | 5.0 | 5.4 | 4.8 GHz | 4.8 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 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 |
| Overclocking Support | Yes | Yes | No | Yes | Yes |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 |
| Product Name | P07991-B21 | Intel Core i7-13700K | Intel Core P05699-L21 Alder Lake | Intel Core i7-12700K (878156-L21) | Intel Core i7-12700K |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | SGX | None | None | SGX | None |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 125W | 125W | 125W |
| Threads | 16 | 24 | 16 | 16 | 20 |
| Unlocked | Yes | Yes | No | Yes | Yes |
| Use Case | Gaming | Gaming | Gaming / Workstation | Gaming | Gaming |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
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
S
Stuart Coleman
5
The DL5x0 Gen10 CPU mezzanine board integrated seamlessly.
S
Shahzaib Khan
5
Build quality and compatibility met expectations.
A
Adrian Wolfe
4
No issues during installation.
A
Aiman Raza
4
Reliable component for server upgrades.
G
Geoffrey Lane
5
Solid mezzanine board kit.
Questions & Answers
What is the HPE DL5x0 Gen10 CPU Version 2 Mezzanine Board Kit (SKU P07991-B21)?
The P07991-B21 kit is a mezzanine expansion assembly for HPE ProLiant DL360 Gen10 and DL380 Gen10 servers with CPU Version 2 architecture, enabling installation of PCIe Gen3 mezzanine cards.
Which HPE servers are compatible with SKU P07991-B21?
This kit is compatible with HPE ProLiant DL360 Gen10 and DL380 Gen10 servers equipped with CPU Version 2 sockets.
What components are included in the P07991-B21 kit?
The kit contains a CPU Version 2 mezzanine board, mounting bracket, cable assembly and all required fastening hardware.
How many additional PCIe slots does the mezzanine board provide?
It provides two PCIe Gen3 x8 mezzanine card slots for high-performance expansion.
Which mezzanine cards can I install with this kit?
It supports HPE FlexFabric, FlexLOM, NIC and HBA mezzanine cards designed for PCIe Gen3 x8 interfaces.
Can I upgrade from CPU Version 1 to Version 2 using P07991-B21?
Yes. Installing this kit on a compatible DL5x0 Gen10 server originally configured for Version 1 enables Version 2 mezzanine support.
Are firmware or BIOS updates required before installation?
Yes. You must update the server firmware and BIOS to the latest HPE-supported versions prior to installing the mezzanine board.
Does this kit support HPE FlexFabric network adapters?
Yes. It fully supports HPE FlexFabric 10/25/50 GbE adapters for converged networking and storage traffic.
What is the maximum data throughput supported by the board?
It delivers PCIe Gen3 bandwidth up to 8 GT/s per lane, enabling a theoretical aggregate throughput of 64 GB/s.
Is the mezzanine board hot-swappable?
No. Server shutdown and power-off are required before installing or removing the mezzanine board.
How do I install the P07991-B21 mezzanine board kit?
Power down the server, open the chassis, align and seat the board into the CPU Version 2 riser socket, secure the bracket and reconnect all cables.
What tools are required for installation?
A Phillips screwdriver and an ESD wrist strap are required for safe and proper installation.
What warranty covers the P07991-B21 kit?
It is covered by the standard one-year HPE parts warranty, with available HPE Care Pack service extensions.
How do I verify the authenticity of part number P07991-B21?
Confirm the HPE logo etching, barcode label and packaging details against the official HPE parts catalog or serial-character lookup.
Where can I purchase the HPE DL5x0 Gen10 CPU Version 2 Mezzanine Board Kit?
It is available through HPE authorized resellers, the HPE Parts Store online and select e-commerce distributors.
How does this kit improve server expandability?
It adds two high-bandwidth mezzanine card slots, enabling flexible network, storage and accelerator deployments.
Is technical support available for installation guidance?
Yes. HPE provides 24/7 technical support and detailed installation documentation via the HPE Support Center.