• Hpe p73447-b21 256gb ddr5-6400 quad rank x4 ec8 registered 3ds smart memory green circuit board with black chips and gold contacts
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HPE

HPE P73447-B21 | 256GB DDR5-6400 Quad Rank x4 EC8 Registered 3DS Smart Memory

HPE P73447-B21 | 256GB DDR5-6400 Quad Rank x4 EC8 Registered 3DS Smart Memory

P73447-B21

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Description

The HPE 256GB DDR5-6400 Quad Rank x4 EC8 Registered 3DS Smart Memory Kit (P73447-B21) delivers extreme memory density for HPE Gen12 ProLiant, Apollo, Blade, and Synergy server platforms. Built on 3D Stacked (3DS) RDIMM technology with a 6400 MT/s data rate and CAS-60-52-52 latency, this module is engineered for the most demanding memory-intensive enterprise workloads — including in-memory databases, AI/ML training pipelines, and large-scale virtualisation environments.

HPE Smart Memory integration enables unique performance optimisation across supported HPE server families, while DDR5 architecture delivers up to 85% higher bandwidth compared to DDR4. With EC8 Registered ECC error correction, the module provides enterprise-grade reliability, improved RAS capabilities, and reduced power consumption at 1.1V. Need it fast? iptrading.com.au delivers across Australia — shop now.

Features

- HPE Smart Memory optimises performance on ProLiant Rack/Tower, Apollo, Blade, and Synergy server families
- 3DS (3D Stacked) technology enables extreme memory density within standard RDIMM form factor
- DDR5 architecture provides up to 85% higher memory bandwidth versus DDR4
- Engineered specifically for HPE Gen12 server platforms
- EC8 Registered ECC delivers enterprise-grade error correction and data integrity
- Enhanced RAS (Reliability, Availability, Serviceability) features for mission-critical deployments
- Designed for memory-intensive workloads: in-memory databases, AI/ML training, and large-scale virtualisation
- Reduced power consumption at 1.1V operating voltage
- Meets next-generation bandwidth-per-core requirements for modern x86 CPUs

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

- Capacity: 256GB (1x256GB)
- Memory Type: DDR5
- Speed: 6400 MT/s (PC5-51200)
- CAS Latency: CAS-60-52-52
- Rank Configuration: Quad Rank (4Rx4)
- Error Correction: EC8 Registered ECC
- Technology: 3DS (3D Stacked)
- Form Factor: RDIMM, 288-Pin
- Operating Voltage: 1.1V
- Option Part#: P73447-B21
- Spare Part#: P75947-001
- Assembly Part#: P73450-0C1

FAQs

Q: Which HPE server generations are compatible with the P73447-B21 memory module?
A: The HPE P73447-B21 256GB DDR5-6400 3DS Smart Memory Kit is engineered for HPE Gen12 server platforms, including ProLiant Rack and Tower servers, Apollo family servers, Blade systems, and Synergy systems. Always verify compatibility against your specific server model's QuickSpecs or HPE's memory configurator before ordering.

Q: What does 'HPE Smart Memory' mean and why does it matter?
A: HPE Smart Memory modules contain an embedded serial presence detect (SPD) chip that the HPE server BIOS recognises to uniquely optimise memory performance, enable advanced RAS features, and ensure full warranty support. Using non-Smart Memory in an HPE server may limit performance and supportability.

Q: What is 3DS (3D Stacked) technology and what advantage does it provide?
A: 3D Stacked (3DS) DRAM technology physically stacks multiple DRAM dies vertically on a single package, enabling very high capacity — such as 256GB per DIMM — within a standard RDIMM footprint. This allows servers to achieve maximum memory capacity per channel without requiring additional DIMM slots.

Q: Is the P73447-B21 suitable for AI and machine learning workloads?
A: Yes. The high 256GB capacity, 6400 MT/s DDR5 bandwidth, and Quad Rank x4 architecture make this module well suited for AI/ML training, in-memory analytics, large-scale virtualisation, and other workloads that require maximum memory bandwidth and capacity per server node.

Q: Can I purchase this HPE memory module in Australia through IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware reseller supplying HPE server memory across Australia. You can order the P73447-B21 directly via the website, with delivery available nationwide.

Q: How many of these modules can be installed per server, and what total capacity is achievable?
A: The maximum number of DIMMs and total achievable capacity depends on your specific HPE Gen12 server model and its memory slot configuration. With 256GB per module, servers supporting 16 or more DIMM slots can potentially reach 4TB or more of total system memory. Refer to your server's QuickSpecs for exact slot and population rules.

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