• Green circuit board memory stick with black chips and gold contacts hpe p43337-b21 256gb ddr5-4800 registered dimm
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HPE

HPE P43337-B21 | 256GB DDR5-4800 3DS Registered DIMM, Octal Rank x4, EC8 ECC

HPE P43337-B21 | 256GB DDR5-4800 3DS Registered DIMM, Octal Rank x4, EC8 ECC

P43337-B21

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Description

The HPE 256GB DDR5-4800 3DS Registered Smart Memory DIMM (P43337-B21) is a single 256GB octal-rank module engineered for HPE ProLiant Gen11 servers, delivering substantial bandwidth and latency improvements over DDR4. Using Three-Dimensional Stacking (3DS) technology, this EC8 ECC registered DIMM achieves extreme per-slot capacity while maintaining enterprise-grade signal integrity — ideal for memory-intensive workloads such as in-memory databases, virtualisation, and AI inference on 4th Gen Intel platforms including ProLiant DL360, DL380, DL560 Gen11 and more.

As part of the HPE SmartMemory family, P43337-B21 is rigorously qualified and tested exclusively on HPE server platforms to unlock performance features unavailable with third-party memory, including advanced error detection that prevents unnecessary DIMM replacement and reduces unplanned downtime. Note: 3DS DIMMs must not be mixed with non-3DS modules, and installations of memory greater than 128GB require the HPE High Performance Fan Kit (P48820-B21). Order today from iptrading.com.au — Australia's IT hardware specialists.

Upgrade your network with gear from iptrading.com.au — Australia's IT hardware specialists.

Features

- DDR5 Performance: 4800 MT/s delivers significant bandwidth and latency improvements over DDR4 3200 MT/s
- 3DS Technology: Three-Dimensional Stacking enables 256GB in a single DIMM for extreme-density deployments
- EC8 ECC: Advanced 8-symbol error correction prevents unnecessary DIMM replacement and reduces server downtime
- HPE SmartMemory Qualified: Tested and validated exclusively on HPE server platforms for maximum signal integrity
- Premium DRAM Selection: Sourced from top-tier DRAM suppliers to meet HPE's stringent quality standards
- Power Efficient: Among the most power-efficient enterprise DDR5 memory available at this capacity
- Gen11 Optimised: Engineered for HPE ProLiant Gen11 with 4th Gen Intel Xeon processors
- Performance Unlock: Enables memory performance features available only with HPE-qualified SmartMemory

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

Datasheet

Technical Specifications

- Capacity: 256GB (1x256GB)
- Memory Type: DDR5
- Speed: 4800 MT/s (PC5-38400)
- CAS Latency: CL46 (CAS-46-39-39)
- Rank: Octal Rank x4 (8Rx4)
- Form Factor: 288-pin DIMM
- Voltage: 1.1V
- Error Correction: EC8 ECC
- Design: 3DS (Three-Dimensional Stacking) Registered DIMM
- Transfer Rate: 4800 MT/s at 1 DIMM per channel; 4400 MT/s at 2 DIMMs per channel
- HPE Option Part#: P43337-B21
- HPE Spare Part#: P48504-001
- HPE Assembly Part#: P43339-0A1
- Compatible Platforms: HPE ProLiant DL110, DL320, DL360, DL380, DL380a, DL560 Gen11 (4th Gen Intel CPU)

FAQs

Q: Which HPE servers is the P43337-B21 compatible with?
A: This 256GB DDR5-4800 3DS DIMM is designed for HPE ProLiant Gen11 servers powered by 4th Gen Intel Xeon processors, including the DL110, DL320, DL360, DL380, DL380a, and DL560 Gen11. Always verify compatibility with HPE's Memory Configurator for your specific server model.

Q: Can I mix this 3DS DIMM with standard (non-3DS) memory modules?
A: No. HPE does not support mixing 3DS and non-3DS memory within the same server. All populated DIMM slots must use the same memory technology to ensure stability and full platform qualification.

Q: Is a fan upgrade required when installing this 256GB module?
A: Yes. HPE requires the High Performance Fan Kit (P48820-B21) for any server installation where memory capacity exceeds 128GB per server, including configurations using this 256GB module.

Q: What advantage does HPE SmartMemory offer over third-party DDR5 DIMMs?
A: HPE SmartMemory is rigorously qualified on HPE server platforms, enabling advanced error detection, maximum signal integrity, and access to memory performance features locked out when using non-HPE memory. It also allows the HPE server to accurately identify and manage the DIMM, reducing false-positive replacement events.

Q: What is 3DS (Three-Dimensional Stacking) technology and why does it matter?
A: 3DS technology stacks multiple DRAM dies vertically within a single package, enabling very high per-DIMM capacities (up to 256GB) that are not achievable with conventional planar DRAM. This allows Gen11 servers to maximise memory capacity per channel without increasing slot count.

Q: Can I purchase the HPE P43337-B21 in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware specialist stocking HPE server memory including the P43337-B21. Contact the team for pricing, availability, and volume purchasing options.

Datasheet

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