• HPE P66243-B21 Xeon Gold 6403N 24-core 1.9GHz server processor in black and silver with Intel logo on sleek package
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HPE

HPE P66243-B21 | Xeon Gold 6403N 24-Core 1.9GHz 185W Server Processor, DDR5

HPE P66243-B21 | Xeon Gold 6403N 24-Core 1.9GHz 185W Server Processor, DDR5

P66243-B21

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Description

The Intel Xeon Gold 6403N Server Processor is a 4th Gen Intel Xeon Scalable (Sapphire Rapids Edge Enhanced) CPU engineered for HPE single-socket server deployments requiring high core density and memory bandwidth. With 24 cores and 48 threads running at 1.9GHz base and up to 3.6GHz turbo, alongside DDR5-4000 support across 8 memory channels, this processor delivers the compute performance and reliability demanded by edge, network, and enterprise workloads.

Designed for HPE servers and supplied as an HPE option kit (P66243-B21), the Xeon Gold 6403N features a 45MB L3 cache, PCIe 4.0 expansion support, AES-NI hardware acceleration, Intel DL Boost for AI inference workloads, and ECC memory for maximum data integrity. With support for up to 4TB of DDR5 RAM and a 185W TDP, it is purpose-built for demanding single-socket configurations. Contact iptrading.com.au — your local source for enterprise-grade networking solutions.

Features

- 4th Gen Intel Xeon Scalable (Sapphire Rapids Edge Enhanced) architecture for edge and network workloads
- Intel Deep Learning Boost (DL Boost) accelerates AI and inference workloads on-chip
- Intel Hyper-Threading Technology delivers 48 threads from 24 physical cores
- Intel Turbo Boost Technology scales up to 3.6GHz under peak demand
- DDR5-4000 support across 8 channels delivers up to 256 GB/s memory bandwidth
- ECC memory support ensures data integrity for mission-critical applications
- PCIe 4.0 support enables high-bandwidth connectivity for NVMe storage and accelerators
- AES-NI hardware acceleration for fast, efficient cryptographic operations
- Intel 64-bit architecture supports modern enterprise operating systems and virtualisation
- Embedded options available for longer lifecycle and extended availability deployments
- HPE-validated option kit ensures seamless integration and support within HPE server environments

Warranty

Hewlett Packard Enterprise (HPE) offers a standard limited hardware warranty on its products, with coverage periods varying by product line. For instance, HPE ProLiant servers typically come with a 1 to 3-year limited warranty, while other products may have different durations.
Extended Warranty Options via IP Trading:
IP Trading offers tailored extended warranty solutions and support packages for HPE products, ensuring your IT infrastructure remains protected beyond the standard warranty period. Contact our team to explore options that align with your organisation's needs.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Processor: Intel Xeon Gold 6403N
- Cores / Threads: 24 Cores / 48 Threads
- Base Frequency: 1.90 GHz
- Max Turbo Frequency: 3.60 GHz
- L3 Cache: 45 MB
- TDP: 185W
- Socket: FCLGA4677
- Memory Type: DDR5-4000
- Max Memory Speed: 4000 MHz
- Max Memory Capacity: 4 TB
- Max Memory Channels: 8
- Scalability: 1S Only (Single Socket)
- PCIe Revision: PCIe 4.0
- ECC Memory: Supported
- Lithography: Intel 7 (10nm)
- Launch Date: Q3 2023

FAQs

Q: Which HPE servers is the P66243-B21 Xeon Gold 6403N compatible with?
A: The P66243-B21 is supplied as an HPE-branded option kit validated for specific HPE ProLiant and HPE Synergy servers that support the FCLGA4677 socket. Refer to HPE's Single Point of Connectivity Knowledge (SPOCK) or the server's QuickSpecs to confirm compatibility with your specific HPE server model.

Q: Does this processor support multi-socket configurations?
A: No. The Intel Xeon Gold 6403N is a 1S (single-socket) only processor. It is optimised for single-socket HPE server deployments and cannot be used in dual-socket configurations.

Q: What memory type does the Xeon Gold 6403N support?
A: The Xeon Gold 6403N supports DDR5-4000 ECC memory across up to 8 memory channels, with a maximum capacity of 4TB. DDR5 provides significantly higher memory bandwidth compared to DDR4, making it ideal for memory-intensive workloads.

Q: Is this processor suitable for AI or machine learning workloads?
A: Yes. The Xeon Gold 6403N includes Intel Deep Learning Boost (DL Boost), which accelerates AI inference workloads directly on the CPU without requiring a dedicated GPU. It is well-suited for edge AI, analytics, and intelligent network workloads.

Q: Can I purchase the HPE P66243-B21 in Australia through IP Trading?
A: Yes. IP Trading (iptrading.com.au) is a local Australian B2B IT hardware reseller stocking HPE server components including the P66243-B21 Xeon Gold 6403N processor. Contact our team for pricing, availability, and volume enquiries.

Q: What is the difference between the Xeon Gold 6403N and other 4th Gen Xeon Gold processors?
A: The 6403N is part of Intel's 'N-series' edge-enhanced Xeon Scalable lineup, optimised for network infrastructure and edge server deployments. It is a single-socket processor with 24 cores, 1.9GHz base clock, and 185W TDP — balancing high core count with edge-optimised performance, distinguishing it from standard multi-socket Xeon Gold variants.

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