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816657-B21
HP INTEL E7-4809V4 DL580 G9_X00 2.1GHZ/8-CORE/20MB/115W_X000...
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
816657-B21 is an Intel processor from the Intel 13th Gen family built on the Raptor Lake architecture and designed for premium desktop performance. It features an LGA 1700 socket, 8 cores and 16 threads, a base clock speed of 3.6 GHz and a max boost clock speed of 5.0 GHz, backed by 4 MB of L2 cache and 16 MB of L3 cache, a thermal design power of 125W, and integrated Intel UHD Graphics 770.
This processor supports high-speed DDR5 memory in a dual-channel configuration and offers PCIe 5.0 connectivity for advanced expansion capabilities. It comes unlocked for overclocking and is compatible with Intel 600 and 700 series chipsets, making it well-suited for gaming, workstation productivity, and overclocking enthusiasts.
816657-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 816657-B21 for additional pricing. Browse the full Hpe Dl580 Server Processors series or explore all Hpe products.
In a financial services firm processing 10 TB of trade and market data daily, deploying the 816657-B21 HP DL580 G9 server powered by Intel E7-4809V4 (2.1 GHz/8-Core/20 MB/115 W) accelerates ETL pipelines and ad-hoc SQL queries on Oracle and SQL Server. The CPU’s large cache and multicore throughput deliver sub-second report generation, enabling risk teams to reduce decision-making latency by 30% and improve trading efficiency.
A managed services provider consolidates 200+ Linux and Windows VMs on HP DL580 G9 nodes equipped with the 816657-B21 Intel E7-4809V4 CPU under VMware vSphere and Microsoft Hyper-V. The processor’s 8 cores, 20 MB cache, and 115 W TDP deliver predictable performance across tenants, reducing rack space by 40%, cutting power consumption by 25%, and ensuring 99.9% SLA uptime for critical workloads.
A global manufacturing enterprise runs SAP S/4HANA for 1,000+ concurrent users on HP DL580 G9 servers featuring the 816657-B21 Intel E7-4809V4 CPU. The robust cache design and hardware fault tolerance deliver 99.99% availability, accelerate order-to-cash cycles by 20%, and ensure accurate financial close under peak transactional loads.
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| 816657-B21 |  816659-L21 |  P05691-B21 |  878134-L21 |  P05684-B21 | |
|---|---|---|---|---|---|
| Architecture | Raptor Lake | Alder Lake | Raptor Lake | Alder Lake | Raptor Lake |
| Base Clock | 3.6 | 3.6 | 3.2 GHz | 3.6 GHz | 3.6 |
| 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 | Yes | Yes | No | No |
| Cores | 8 | 8 | 8 | 8 | 16 |
| Depth | 0.2 | 1.4 | 1.5 inches | 1 inch | 1.5 |
| ECC Support | No | No | No | No | No |
| Generation | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen |
| Height | 0.6 | 0.6 | 0.6 inches | 1 inch | 0.2 |
| 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 | 4 MB | 4 MB | 8 |
| L3 Cache | 16 | 16 | 16 MB | 20 MB | 24 |
| Max Boost Clock | 5.0 | 4.8 | 4.9 GHz | 4.9 GHz | 5.0 |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Channels | Dual | Dual | Dual | Dual | Quad |
| Memory Type Support | DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 |
| Overclocking Support | Yes | No | No | Yes | Yes |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 |
| Product Name | 816657-B21 High-Performance Desktop Processor | Intel Core i7-12700 Processor | Intel Core i7-P05691-B21 Processor | 878134-L21 | P05684-B21 |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | SGX | None | None | SGX | SGX |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 95W | 125W | 125W | 125W |
| Threads | 16 | 16 | 16 | 16 | 32 |
| Unlocked | Yes | No | No | Yes | Yes |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming |
| Virtualization Support | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x | Intel VT-x |
| Weight | 0.35 | 0.3 | 0.2 lbs | 0.75 lbs | 0.3 |
| Width | 0.6 | 1.4 | 1.5 inches | 1 inch | 1.5 |
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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
The Xeon E7-4809v4 works well for moderate enterprise workloads.
Reliable CPU for infrastructure services.
Stable and predictable performance.
Met expectations for DL580 Gen9 use.
Solid processor for non-intensive tasks.
The HP Intel E7-4809V4 DL580 G9 CPU (SKU 816657-B21) is a server-grade processor featuring 8 physical cores, 16 threads, 20 MB of L3 cache, a 2.1 GHz base clock and 115 W TDP, designed for demanding enterprise workloads on the HP ProLiant DL580 Gen9.
The E7-4809V4 (SKU 816657-B21) is compatible exclusively with the HP ProLiant DL580 Gen9 family, ensuring full system validation and optimal performance in four-socket configurations.
The Intel E7-4809V4 delivers 8 physical cores, 16 threads via Hyper-Threading, and 20 MB of shared L3 cache, balancing multi‐tasking capability with low-latency data access.
The processor runs at a 2.1 GHz base frequency, supports Intel Turbo Boost up to 3.0 GHz, and carries a 115 W thermal design power for enterprise-class efficiency.
Yes, the E7-4809V4 includes Intel VT-x and VT-d support for hardware-accelerated virtualization, enabling high VM density and secure workload isolation.
This CPU supports up to 6 TB of DDR4 memory across eight channels per processor, with RDIMM/LRDIMM at speeds up to 2400 MT/s for large-scale in-memory applications.
The E7-4809V4 excels in mission-critical environments—database management, ERP, in-memory analytics and high-performance computing—where reliability and low-latency processing are paramount.
Yes, Intel Turbo Boost dynamically raises core frequency from 2.1 GHz to up to 3.0 GHz under load, and Hyper-Threading allows two threads per core for 16-thread parallelism.
Built on Intel’s 14 nm process with enhanced power gating, the E7-4809V4 dynamically adjusts voltage and frequency, reducing idle power consumption while maintaining peak performance.
Yes, SKU 816657-B21 is an original HP factory-certified processor, backed by HP quality standards and guaranteed compatibility with ProLiant DL580 Gen9 servers.
HP supplies a one-year limited warranty and access to lifecycle support, including firmware updates, part replacement and 24/7 technical assistance for the E7-4809V4.
Power down the server, open the chassis, align the CPU with the socket keyed notch, secure the retention arm, apply HP thermal grease and reassemble per the ProLiant DL580 Gen9 Service Guide.
No. All sockets in a ProLiant DL580 Gen9 must use identical CPU models—mixing different SKUs can lead to system instability and is not supported by HP.
You can buy SKU 816657-B21 from authorized HP resellers, HP’s official online store or certified channel partners to ensure genuine parts and full warranty coverage.
Pricing varies by region and reseller but generally ranges from USD 1,200 to USD 1,600 per unit; volume discounts may apply for bulk enterprise purchases.
Upgrading to the E7-4809V4 delivers enhanced multi-core throughput, larger memory capacity, advanced reliability features and superior virtualization support for critical workloads.
United States
