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The Xeon E7-8870v3 performs reliably in legacy DL580 environments.
788321-B21
HP XEON E7-8870V3 18 CORE 45MB CACHE 2.10GHZ CPU
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788321-B21
- Description:
- 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
4
Strong multi-core output for enterprise workloads.
C
Clive Henderson
5
Stable CPU for long-running production systems.
S
Sana Farooq
3
Handled virtualization tasks without issues.
E
Edward Langston
4
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.