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P05706-L21
HPE DL580 Gen10 Intel Xeon-Platinum 8256 (3.8GHz/4-core/105W...
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Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
P05706-L21 is a high-performance processor based on AMD’s Zen 4 architecture and a proud member of the Ryzen 7000 Series. Built with 8 cores and 16 threads, it achieves a base clock speed of 4.5 GHz and a maximum boost clock of 5.4 GHz, paired with 8 MB of L2 cache and 32 MB of L3 cache. Designed for desktop platforms, this CPU is engineered to deliver exceptional performance for gaming and demanding workstation applications.
P05706-L21 features a thermal design power (TDP) of 105W and supports DDR5 memory in a dual-channel configuration, ensuring rapid data transfer and system responsiveness. With its unlocked multiplier for overclocking and compatibility with the AM5 socket, it also offers PCIe 5.0 connectivity for next-generation peripherals, making it an ideal choice for high-end gaming and creative workloads.
P05706-L21 price is $9,855.96, a 33% saving from the Hpe list price of $14,710.39. P05706-L21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for P05706-L21 for additional pricing. Browse the full Hpe Dl580 Server Processors series or explore all Hpe products.
Financial services firms deploy the P05706-L21-HPE DL580 Gen10 equipped with the Intel Xeon-Platinum 8256 (3.8 GHz/4-core/105 W) FIO Processor Kit to accelerate tick-to-trade decision engines. By upgrading field-installable CPU modules, trading platforms achieve sub-millisecond market data processing, 30% faster order execution and sustained 99.99% uptime. This targeted upgrade drives competitive edge through ultra-low-latency performance and reliable performance scaling for high-volume equities and derivatives trading.
Large enterprises leverage the P05706-L21-HPE DL580 Gen10 with Intel Xeon-Platinum 8256 FIO Processor Kit to consolidate legacy four-socket servers into a single, high-performance chassis. The 3.8 GHz/4-core processors deliver 20% better performance-per-watt versus previous generations, enabling support for up to 60 mixed-workload VMs on VMware vSphere with zero downtime. The field-installable CPU upgrade streamlines asset refresh cycles, reduces rack density by 40% and cuts annual power and cooling costs by $50K.
Manufacturing lines implement the P05706-L21-HPE DL580 Gen10 with Intel Xeon-Platinum 8256 FIO Processor Kit at edge compute nodes to run deep-learning inferencing for defect detection. The 3.8 GHz cores deliver deterministic real-time performance for computer-vision models, enabling sub-50 ms inspection latencies and 98% defect capture rates. Field-installable upgrades ensure minimal production downtime, extend hardware lifecycle and provide scalable CPU capacity-on-demand for evolving AI workloads on the shop floor.
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| P05706-L21 |  878128-L21 |  P05706-B21 |  788331-B21 |  P05712-L21 | |
|---|---|---|---|---|---|
| Architecture | Zen 4 | Raptor Lake | Raptor Lake | Zen 3 | Alder Lake |
| Base Clock | 4.5 | 3.4 | 3.6 GHz | 3.7 GHz | 3.6 |
| Brand | AMD | Intel | Intel | AMD | Intel |
| CPU Socket | AM5 | LGA 1700 | LGA 1700 | AM4 | LGA 1700 |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Cooler Included | No | No | No | Yes | No |
| Cores | 8 | 16 | 6 | 6 | 12 |
| ECC Support | No | No | No | No | No |
| Generation | Ryzen 7000 Series | Intel 13th Gen | Intel 13th Gen | Ryzen 5000 Series | Intel 12th Gen |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX2 | AVX2 |
| Integrated Graphics | None | Intel UHD Graphics 770 | Intel UHD Graphics 770 | None | Intel UHD Graphics 770 |
| L2 Cache | 8 | 16 | 3 MB | 3 MB | 1.5 |
| L3 Cache | 32 | 30 | 12 MB | 32 MB | 25 |
| Max Boost Clock | 5.4 | 5.4 | 4.8 GHz | 4.6 GHz | 5.0 |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| Memory Type Support | DDR5 | DDR4 & DDR5 | DDR5 | DDR4 | DDR5 |
| Overclocking Support | Yes | Yes | Yes | Yes | Yes |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 4.0 | PCIe 5.0 |
| Product Name | AMD Ryzen 7 7700X | Intel Core i7-13700K Processor (878128-L21) | P05706-B21 | AMD Ryzen 5 5600X | Intel Core P05712-L21 Processor |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | None | None | None | None | None |
| Series | AMD Ryzen | Intel Core | Intel Core | AMD Ryzen | Intel Core |
| TDP | 105W | 125W | 125W | 65W | 125W |
| Threads | 16 | 24 | 12 | 12 | 20 |
| Unlocked | Yes | Yes | Yes | Yes | Yes |
| Use Case | Gaming | Gaming / Workstation / Overclocking | Gaming | Gaming | Gaming / Workstation / Server |
| Virtualization Support | AMD-V | Intel VT-x | Intel VT-x | AMD-V | Intel VT-x / Intel VT-d |
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.
Platinum 8256 FIO delivered strong single-core responsiveness.
Excellent CPU for specialized workloads.
Stable and predictable performance.
Smooth operation in production.
High-frequency processor that performs well.
The HPE DL580 Gen10 FIO Processor Kit (P05706-L21) is a factory-integrated upgrade that includes Intel Xeon Platinum 8256 4-core 3.8 GHz processors, heat sinks, thermal interface materials, and mounting hardware optimized for HPE ProLiant DL580 Gen10 servers.
SKU P05706-L21 includes four Intel Xeon Platinum 8256 processors, each featuring a 3.8 GHz base clock, 4 cores, 8 threads, and a 105 W thermal design power.
Yes, the P05706-L21 kit is fully compatible with HPE ProLiant DL580 Gen10 servers and requires no additional components or adapters.
Each Intel Xeon Platinum 8256 processor delivers 4 physical cores and 8 threads, leveraging Intel Hyper-Threading Technology for improved multitasking performance.
The Intel Xeon Platinum 8256 has a thermal design power of 105 watts per processor, balancing performance and energy efficiency.
The kit includes four Intel Xeon Platinum 8256 processors, integrated heat sinks, factory-grade thermal interface material, mounting brackets, and all required fasteners.
You should update your server’s firmware and BIOS to the latest HPE ProLiant DL580 Gen10 release to ensure full compatibility and stability with the P05706-L21 kit.
No, you must install matching Intel Xeon Platinum 8256 processors across all sockets to maintain system stability and performance.
Upgrading boosts single-threaded and multi-threaded workloads with higher base clock speeds and Hyper-Threading, delivering faster database queries, virtualization density, and application responsiveness.
Typical installation takes approximately 30 minutes, including removal of existing CPUs, installation of new processors, reapplication of thermal material, and verification steps in iLO.
While qualified IT technicians can install the kit, HPE recommends using authorized service providers to ensure warranty compliance and optimal thermal management.
The kit is covered by HPE’s standard three-year limited warranty, including parts replacement and 24×7 global support options.
You can purchase the P05706-L21 kit through HPE’s official sales channels, authorized resellers, or the HPE Store to guarantee authenticity and warranty coverage.
Use the HPE iLO web interface or run the “show cpuid” command in the system ROM utility to confirm all four Intel Xeon Platinum 8256 processors are detected and healthy.
Check CPU seating and thermal interface application, reset the NVRAM, verify firmware versions, and consult the HPE ProLiant DL580 Gen10 maintenance guide for detailed diagnostics.
HPE offers 24×7 global phone support, online technical documentation, firmware updates via the HPE Support Center, and optional Proactive Care service contracts for the P05706-L21 kit.
United States
