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The Intel Xeon Gold 6421N (Part Number: PK8071305122001) is a powerful server-grade CPU from Intel’s scalable processor family. Featuring high core count, Hyper-Threading, large cache, and support for DDR5/DDR4 ECC memory and PCIe Gen4+, it is designed to enhance cloud computing, virtualization, AI inference, and HPC workloads.
As part of the trusted Intel Xeon Scalable Gold lineup, the 6421N delivers balanced performance, excellent memory bandwidth, and enterprise reliability for dual-socket scalable servers inside data centers and enterprise computing infrastructures.
This Xeon Gold Processor combines high multi-core compute power, Intel AVX-512 support, hyper-threading technology, resource director features, and extensive virtualization support. It offers strong performance per watt, ECC memory support, and efficient workload consolidation.
The Xeon Gold 6421N supports advanced Intel security features (SGX, TME, AES-NI), hardware virtualization extensions (VT-x, VT-d), multiple-socket scalability, and DL Boost for AI/ML acceleration. Tray packaging allows efficient integration into HPE, Dell, Lenovo, and other OEM server platforms.
The Intel Gold 6421N is optimized for consistent uptime and mission-critical workloads. With ECC memory support and advanced CPU instructions, it ensures secure, reliable compute capacity for businesses scaling virtualization clusters, AI workloads, or enterprise data applications.
| Specification | Details |
|---|---|
| Part Number | PK8071305122001 |
| Brand | Intel |
| Product Type | Xeon Scalable Processor (Tray) |
| Series | Xeon Gold 6400 Series |
| Model | Xeon Gold 6421N |
| Socket | LGA 4189 |
| Cores / Threads | ~16–24 cores / 32–48 threads (model specific) |
| Base Frequency | ~2.0 GHz (varies) |
| Max Turbo Frequency | ~3.5 GHz |
| Cache | 24.75 MB or higher Intel Smart Cache |
| Memory Support | DDR4 / DDR5 ECC Registered |
| Memory Speed | Up to 3200–4800 MT/s |
| Memory Channels | 8 |
| Max Memory Capacity | Up to multiple TB/server (with LRDIMM) |
| PCI Express Support | PCIe 4.0/5.0 |
| Max PCIe Lanes | 64+ |
| TDP | 125–165 W (varies by SKU) |
| Instruction Set | x86-64 bit |
| Instruction Extensions | Intel AVX-512, Intel DL Boost, SSE4.2 |
| Virtualization | Intel VT-x, VT-d support |
| Security Features | Intel SGX, TME, AES-NI, Secure Boot |
| Scalability | 2-socket capable (multi-CPU systems) |
| Operating Temperature | 10°C – 85°C case |
| Package Type | Tray (for OEM/system integrators) |
| Application | Datacenters, HPC, AI/ML, Enterprise workloads |
| Warranty | Backed by Intel limited warranty |

All packages are shipped same day if the order is placed before 3PM CST
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Expedited Shipping take about 2-3 business days
Ground shipping take about 3-5 business days
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Intel Xeon PK8071305122001 Gold 6421N Processor Tray Gold 6421N Processor Tray
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