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The Xeon E7-8870v3 performs reliably in legacy DL580 environments.
788321-B21
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HP XEON E7-8870V3 18 CORE 45MB CACHE 2.10GHZ CPU
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788321-B21
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- HP XEON E7-8870V3 18 CORE 45MB CACHE 2.10GHZ CPU
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788321-B21 Overview
788321-B21 is an Intel Core processor from the Intel 12th Gen Alder Lake series that operates on an LGA 1700 socket. It features 8 cores and 16 threads, a base clock speed of 3.6 GHz with a maximum boost clock of 4.9 GHz, supported by 4 MB of L2 cache and 16 MB of L3 cache while maintaining a thermal design power of 125W, and it comes with integrated Intel UHD Graphics 770.
This processor supports high-speed DDR5 memory in a dual-channel configuration and is designed for PCIe 5.0 connectivity. Unlocked for overclocking and built for compatibility with modern chipsets, 788321-B21 is ideally suited for gaming enthusiasts and overclocking aficionados looking to power demanding desktop environments.
788321-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 788321-B21 for additional pricing. Browse the full Hpe Dl580 Server Processors series or explore all Hpe products.
788321-B21 Specifications
- Depth
- 1.5 inches
- Height
- 0.6 inches
- Weight
- 0.25 lbs
- Width
- 1.5 inches
- 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
- 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
- Unlocked
- Yes
- Security Features
- SGX
- Graphics Max Dynamic Frequency
- 1150 MHz
- Generation
- Intel 12th Gen
- Architecture
- Alder Lake
- Max Boost Clock
- 4.9 GHz
- L3 Cache
- 16 MB
- Product Name
- Intel Core i7-12700K
788321-B21 Use Case
Enterprise Server Consolidation with HP Xeon E7-8870v3
A multinational financial services firm leverages the 788321-B21 HP Xeon E7-8870v3 18-core 2.10 GHz CPU (45 MB cache) in HP ProLiant BL680c Gen9 blades to collapse 250+ virtual machines onto a four-node chassis. This deployment yields a 40% reduction in rack footprint, 35% lower power/cooling costs, and seamless live migration, delivering maximum uptime and simplified management for mission-critical workloads.
Real-Time In-Memory Analytics for Risk Management
A global investment bank implements the 788321-B21 HP Xeon E7-8870v3 CPU in an SAP HANA in-memory cluster to accelerate complex risk calculations. With 18 cores at 2.10 GHz and 45 MB L3 cache, the platform processes market data and Monte Carlo simulations in under 5 seconds—30% faster than prior generations—enabling traders to act on near-instant insights and ensure compliance with stringent regulatory SLAs.
High-Performance Genomic Sequencing in Bioinformatics
A leading biotech research center deploys the 788321-B21 HP Xeon E7-8870v3 18-core CPU across a distributed HPC cluster for whole-genome assembly and variant calling. The 45 MB cache and multi-threaded architecture accelerate alignment pipelines by 2×, reducing analysis time from 48 hours to 24 hours. This high-throughput solution drives faster discovery cycles and lowers total compute costs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 788321-B21 |  P05719-L21 |  P05722-B21 |  P05711-B21 |  816665-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 | DDR4 | DDR4 & DDR5 | DDR5 | DDR4 & DDR5 |
| Generation | Intel 12th Gen | Intel 13th Gen | Intel 12th Gen | Intel 12th Gen | Intel 13th Gen |
| Architecture | Alder Lake | Raptor Lake | Alder Lake | Alder Lake | Raptor Lake |
| ECC Support | No | No | No | No | No |
| Security Features | SGX | None | SGX | SGX | SGX |
| 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 GHz | 3.6 | 3.6 GHz | 3.6 |
| Max Boost Clock | 4.9 GHz | 4.8 GHz | 4.9 | 5.0 GHz | 4.9 |
| Overclocking Support | Yes | Yes | Yes | No | Yes |
| L2 Cache | 4 MB | 8 MB | 8 | 4 MB | 8 |
| L3 Cache | 16 MB | 24 MB | 16 | 16 MB | 16 |
| 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 | 350 MHz | 350 | 350 MHz | 350 |
| Graphics Max Dynamic Frequency | 1150 MHz | 1200 MHz | 1100 | 1200 MHz | 1300 |
| 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 | Yes | No | Yes |
| Cooler Included | No | No | No | No | No |
| Use Case | Gaming | Gaming | Gaming | Gaming / Workstation | Gaming |
| Product Name | Intel Core i7-12700K | Intel Core i7-13700K (P05719-L21) | P05722-B21 High Performance Processor | P05711-B21 | 816665-B21 |
| Height | 0.6 inches | 0.11 inches | 0.5 | N/A | 1.5 inches |
| Width | 1.5 inches | 1.48 inches | 1.5 | N/A | 1.0 inches |
| Depth | 1.5 inches | 1.48 inches | 1.5 | N/A | 1.0 inches |
| Weight | 0.25 lbs | 0.25 lbs | 0.3 | N/A | 0.5 lbs |
Reviews & Ratings
F
Fahad Ali
5
Strong multi-core output for enterprise workloads.
C
Clive Henderson
5
Stable CPU for long-running production systems.
S
Sana Farooq
4
Handled virtualization tasks without issues.
E
Edward Langston
5
Good choice for maintaining Gen9 infrastructure.
Questions & Answers
What are the core count and base clock speed of the HP Xeon E7-8870 V3?
The HP Xeon E7-8870 V3 features 18 physical cores with a base clock speed of 2.10 GHz.
What is the cache size of the HP Xeon E7-8870 V3?
This processor includes a 45 MB Intel Smart Cache to accelerate data access and improve performance.
Which socket does the HP Xeon E7-8870 V3 require?
The CPU is built for the LGA 2011-1 (Socket R) platform, ensuring compatibility with HP server motherboards that support this socket.
Is the HP Xeon E7-8870 V3 compatible with HP ProLiant servers?
Yes, it is fully compatible with supported HP ProLiant Gen8 and Gen9 servers designed for LGA 2011-1 CPUs.
What is the thermal design power (TDP) of the HP Xeon E7-8870 V3?
The processor has a TDP of 155 W, balancing high performance with enterprise-grade thermal requirements.
Does the HP Xeon E7-8870 V3 support Hyper-Threading technology?
Yes, Intel Hyper-Threading is enabled, allowing up to 36 simultaneous threads for improved multitasking.
Which memory types are supported by the HP Xeon E7-8870 V3?
It supports Quad-Channel DDR4 memory at speeds up to 2133 MHz, providing high bandwidth and low latency.
What is the maximum memory capacity per CPU on the HP Xeon E7-8870 V3?
Each CPU can address up to 1.5 TB of DDR4 memory when installed in compatible multi-socket server configurations.
Does the HP Xeon E7-8870 V3 support Intel Turbo Boost Technology?
Yes, Intel Turbo Boost Technology 2.0 dynamically increases clock speeds up to 3.0 GHz for demanding workloads.
What virtualization features are available on the HP Xeon E7-8870 V3?
It includes Intel VT-x, VT-d, and VT-c for enhanced virtualization, I/O optimization, and secure partitioning.
Is the HP Xeon E7-8870 V3 ECC memory compatible?
Yes, it fully supports Error-Correcting Code (ECC) memory to detect and correct single-bit errors for maximum stability.
How does the E7-8870 V3 performance compare to the E7-8890 V3?
The E7-8890 V3 offers higher base and turbo clocks, but the E7-8870 V3 delivers comparable multi-core throughput at a lower cost.
What are the ideal use cases for the HP Xeon E7-8870 V3?
It is optimized for mission-critical databases, in-memory analytics, ERP applications, and large-scale virtualization.
What warranty and support does HP offer for the E7-8870 V3 CPU?
HP provides a standard three-year limited warranty with optional ProLiant support packages for hardware and firmware updates.
Is the HP Xeon E7-8870 V3 suitable for database servers?
Absolutely; its high core count, large cache, and memory capacity make it ideal for transactional and analytical databases.
How does the power efficiency of the E7-8870 V3 compare to previous generations?
Built on Intel’s 22 nm process, it delivers up to 20% better performance per watt versus the prior E7-8800 V2 series.