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HPE

HPE P43331-B21 | 64GB DDR5-4800 RDIMM, 2Rx4, ECC, CL40; Smart Memory

SKU:P43331-B21

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Description

64GB DDR5-4800 Registered ECC module tailored for ProLiant Gen11 servers. Dual-rank x4 construction delivers high density with robust error detection, while Smart Memory ensures authenticated compatibility and health reporting.

Features

- High-density 64GB per DIMM for memory-intensive workloads
- ECC Registered stability for mission-critical applications
- 2Rx4 layout for robust error detection and reliability
- Smart Memory authentication for seamless platform fit
- Optimized for ProLiant Gen11 DDR5 memory channels

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

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

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FAQs

Technical Specifications

FAQs

Q: Is 2Rx4 compatible with 2Rx8 or 1Rx8 modules?
A: Yes, RDIMMs with different chip organizations can be mixed if they are all RDIMMs; observe population and speed rules.

Q: Will this run at 4800 MT/s in all configurations?
A: Maximum speed depends on CPU and DIMM population per channel; populated channels may downclock per platform limits.

Q: Does this module require ECC support?
A: Yes. It is an ECC Registered module and must be used in ECC-capable server platforms.

Q: Can I use it in desktop motherboards?
A: No. RDIMMs are for server/workstation platforms; most desktops require unbuffered (UDIMM) memory.

Technical Specifications

- Capacity: 64GB (1x64GB)
- Memory type: DDR5 RDIMM (Registered ECC)
- Data rate: 4800 MT/s (PC5-38400)
- CAS latency/timings: CL40-39-39
- Rank: Dual Rank (2Rx4)
- Chip organization: x4
- Voltage: 1.1V
- Pin count: 288-pin
- Error correction: ECC
- Platform support: ProLiant Gen11 servers (DDR5 RDIMM only)
- Smart features: Authentication/telemetry (Smart Memory)
- Note: Mixed DIMM types (RDIMM vs LRDIMM) are not supported

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