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816655-B21
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HP XEON E7-4820V4 10 CORE 25MB CACHE 2.00GHZ CPU
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Name:
816655-B21
- Description:
- HP XEON E7-4820V4 10 CORE 25MB CACHE 2.00GHZ CPU
- 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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816655-B21 Overview
816655-B21 is an Intel processor from the Intel Core series, built on the Intel 12th Gen Alder Lake architecture for desktop systems. It features an LGA 1700 socket with 8 cores and 16 threads, operating at a base clock of 3.6 GHz and boosting up to 4.9 GHz, paired with 4 MB of L2 cache and 16 MB of L3 cache, a 125W thermal design power, and integrated Intel UHD Graphics 770 running at a base frequency of 350 MHz and reaching up to 1100 MHz dynamic frequency.
Optimized for demanding gaming environments and versatile workstation tasks, this processor supports dual-channel DDR4 memory and PCIe 5.0, ensuring rapid data flow and robust system performance. It also offers virtualization support via Intel VT-x, comes with a cooler included, and maintains platform compatibility with current LGA 1700 chipsets, making it an ideal choice for high-performance desktop applications.
816655-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 816655-B21 for additional pricing. Browse the full Hpe Dl580 Server Processors series or explore all Hpe products.
816655-B21 Specifications
- Weight
- 0.3 lbs
- Width
- 0.6 inches
- Height
- 0.6 inches
- Depth
- 0.2 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
- Overclocking Support
- No
- TDP
- 125W
- Unlocked
- No
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Security Features
- None
- Instruction Set Extensions
- AVX2
- Cores
- 8
- Threads
- 16
- Integrated Graphics
- Intel UHD Graphics 770
- Base Clock
- 3.6
- L2 Cache
- 4
- Graphics Max Dynamic Frequency
- 1100
- Graphics Base Frequency
- 350
- L3 Cache
- 16
- Generation
- Intel 12th Gen
- Architecture
- Alder Lake
- Max Boost Clock
- 4.9
- Memory Type Support
- DDR4
- Cooler Included
- Yes
- Product Name
- 816655-B21 High Performance Processor
816655-B21 Use Case
Enterprise Virtualization & Workload Consolidation with 816655-B21 HP Xeon E7-4820v4
A global financial services firm deploys the 816655-B21 HP Xeon E7-4820v4 10 Core 2.00 GHz CPU (25 MB cache) in a ProLiant DL580 Gen9 chassis to consolidate 150+ Linux and Windows VMs. By leveraging the CPU’s multi-core threading and large L3 cache, the hypervisor overhead drops by 35%, VM density increases 40%, and TCO falls 50%—delivering resilient, high-throughput virtualization for mission-critical workloads.
Real-Time Big Data Analytics for Retail Personalization
A national retail chain implements the 816655-B21 HP Xeon E7-4820v4 10 Core 2.00 GHz CPU (25 MB cache) on its on-prem Apache Spark cluster to process 10 TB of point-of-sale and customer behavior data every hour. The CPU’s high core count and cache-enabled memory throughput reduce nightly ETL windows from 8 hours to under 2 hours, enabling sub-minute analytics. Outcome: a 25% lift in promo conversion and 15% higher average basket size.
High-Availability ERP & Database Performance Optimization
A global manufacturing enterprise powers its SAP ERP and Oracle DB environment on HP ProLiant servers equipped with the 816655-B21 HP Xeon E7-4820v4 10 Core 2.00 GHz CPU (25 MB cache). Multi-socket scaling and large L3 cache ensure consistent sub-10 ms query latency and 99.99% uptime across supply-chain and CRM modules. Result: 30% faster order processing, improved inventory accuracy, and streamlined financial closings.
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Product Comparison Table 
| 816655-B21 |  P05696-B21 |  878152-B21 |  P05707-B21 |  878146-B21 | |
|---|---|---|---|---|---|
| Architecture | Alder Lake | Raptor Lake | Alder Lake | Raptor Lake | Raptor Lake |
| Base Clock | 3.6 | 3.2 GHz | 3.6 | 3.4 | 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 | Yes | No | No | No | No |
| Cores | 8 | 8 | 8 | 16 | 16 |
| Depth | 0.2 inches | 0.16 inches | 1.5 | 1.57 inches | 1.0 inches |
| ECC Support | No | No | No | No | No |
| Generation | Intel 12th Gen | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen |
| Graphics Base Frequency | 350 | 350 MHz | 300 | 350 | 350 MHz |
| Graphics Max Dynamic Frequency | 1100 | 1200 MHz | 1150 | 1100 | 1300 MHz |
| Height | 0.6 inches | 1.48 inches | 0.5 | 0.16 inches | 1.5 inches |
| 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 | 4 MB | 4 | 16 | 8 MB |
| L3 Cache | 16 | 16 MB | 16 | 30 | 24 MB |
| Max Boost Clock | 4.9 | 4.8 GHz | 5.0 | 5.4 | 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 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 |
| Overclocking Support | No | Yes | Yes | Yes | Yes |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 |
| Product Name | 816655-B21 High Performance Processor | Intel Core i7-13700K Desktop Processor P05696-B21 | Intel Alder Lake 8-Core Processor 878152-B21 | Intel Core i7-13700K | Intel Core i9-878146-B21 |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | None | None | SGX | None | SGX |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 95W | 125W | 125W |
| Threads | 16 | 16 | 16 | 24 | 32 |
| Unlocked | No | Yes | Yes | Yes | Yes |
| Use Case | Gaming | Gaming / Workstation / General Use | Gaming | Gaming | Gaming |
| Virtualization Support | Intel VT-x | Intel VT-x, Intel VT-d | Intel VT-x | Intel VT-x | Intel VT-x |
| Weight | 0.3 lbs | 0.03 lbs | 0.25 | 0.3 lbs | 0.5 lbs |
| Width | 0.6 inches | 1.48 inches | 1.5 | 1.57 inches | 1.5 inches |
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
N
Norman Steele
5
The Xeon E7-4820v4 is reliable for enterprise compute tasks.
F
Furqan Haider
4
Stable processor for business-critical workloads.
P
Peter Lawson
4
Consistent performance in multi-socket servers.
A
Anum Javed
5
Handled production loads without issues.
G
Gareth Hughes
5
Good fit for DL580 Gen9 systems.
Questions & Answers
What is the HP Xeon E7-4820 v4 10-Core 25MB Cache 2.00GHz CPU (SKU 816655-B21)?
The HP Xeon E7-4820 v4 is a 10-core, 20-thread Intel® server processor with a 2.00 GHz base clock, 25 MB SmartCache and advanced reliability features designed for mission-critical workloads.
How many cores and threads does the Xeon E7-4820 v4 support?
It features 10 physical cores and 20 simultaneous threads, enabling high parallelism for multi-tasking and virtualization workloads.
What is the base and maximum turbo frequency of this CPU?
The processor runs at a 2.00 GHz base frequency and can turbo boost up to 2.50 GHz on additional workload-dependent cores.
What is the total cache size on the E7-4820 v4?
It includes 25 MB of Intel® SmartCache, dynamically allocated to maximize data access speed across all cores.
What is the thermal design power (TDP) of the Xeon E7-4820 v4?
The TDP is 105 watts, balancing performance and power efficiency for dense enterprise server environments.
Which socket is required for the HP Xeon E7-4820 v4?
This CPU uses the FCLGA2011-1 socket (Socket R2), compatible with select HP ProLiant Gen9 server motherboards.
What type and speed of memory does this processor support?
It supports six channels of DDR4 ECC memory at up to 2400 MHz, ensuring data integrity and high throughput.
What is the maximum memory capacity supported by the E7-4820 v4?
The CPU can address up to 1.5 TB of DDR4 memory (256 GB DIMMs per channel), ideal for large in-memory databases and analytics.
Does the Xeon E7-4820 v4 support Intel virtualization technologies?
Yes. It includes Intel® VT-x, VT-d and VT-c for hardware-assisted virtualization, I/O virtualization and resource partitioning.
Is this CPU compatible with HP ProLiant Gen9 servers?
Yes. It is fully supported in HP ProLiant DL380, DL580 and DL560 Gen9 platforms for enterprise deployments.
What workloads is the Xeon E7-4820 v4 optimized for?
It excels in mission-critical applications such as OLTP databases, large-scale virtualization, in-memory analytics and ERP systems.
Does the E7-4820 v4 feature integrated graphics?
No. This server-class CPU omits integrated graphics to optimize die real estate and focus on compute performance.
Can the HP Xeon E7-4820 v4 handle high-end database workloads?
Yes. Its large cache, multi-core design and high memory capacity make it ideal for demanding database and analytics tasks.
Is the processor unlocked for overclocking?
No. The Xeon E7-4820 v4 is fully locked to ensure stability, reliability and consistent performance in enterprise servers.
What reliability and availability features are included?
It offers Intel® Run Sure Technology, ECC memory support, Machine Check Architecture recovery and advanced RAS features for continuous operation.
What warranty coverage is provided with SKU 816655-B21?
HP typically includes a three-year limited warranty covering parts, labor and on-site service, subject to regional terms and conditions.