HPE P43331-B21 64GB DDR5 SDRAM Memory Module

Part No:P43331-B21 Write a Review

Condition:New

Brand:HPE

Weight:1.2 lbs

Product Type:Server Memory Module

HPE P43331-B21

64GB DDR5 SDRAM Server Memory Module

The HPE P43331-B21 is a 64GB DDR5 SDRAM module designed for HPE ProLiant servers. With next-generation DDR5 technology, it delivers higher bandwidth, better power efficiency, and superior reliability compared to DDR4. This module ensures exceptional performance for virtualized workloads, databases, AI, and big data applications.

As a certified HPE option kit, the P43331-B21 undergoes rigorous validation for enterprise environments, guaranteeing compatibility, stability, and data integrity under 24/7 mission-critical workloads.

Features :

This DDR5 Server Memory provides scalable capacity, increased memory bandwidth (up to 4800 MT/s+), and reliability features such as ECC (Error-Correcting Code). It is engineered to minimize latency and optimize multi-threaded workload performance.

Advanced Options :

The P43331-B21 supports advanced DDR5  features including dual 32-bit subchannels for improved parallelism, on-die ECC for chip-level error correction, and optimized power delivery for reduced operating voltage. Perfect for dense virtualization, HPC, and cloud-scale datacenters.

Product Key Features

  • 64GB DDR5 SDRAM memory module
  • Higher bandwidth and efficiency than DDR4
  • Supports ECC for mission-critical reliability
  • Validated for HPE ProLiant Gen11 servers
  • Optimized for virtualization, HPC, and enterprise workloads
  • Official HPE option kit assurance

Reliability & Performance :

The HPE P43331-B21 guarantees long-term reliability with full ECC support to detect and correct data corruption. Designed for sustained workloads in enterprise and datacenter deployments, it provides consistent performance and keeps applications running smoothly without compromise.

Key Features :

  • 64GB capacity, DDR5 SDRAM
  • High-speed memory bandwidth
  • ECC error correction
  • Energy-efficient low-voltage design
  • Certified by HPE for ProLiant systems
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BrandHPE
SKUP43331-B21
ConditionNew
Dimensions0.74 × 7.43 × 3.47 in
Weight1.2 lbs
Capacity64GB
CompatibilityHPE ProLiant Gen11/Gen10+ servers
Part NumberP43331-B21
Product TypeServer Memory Module
Memory TechnologyDDR5 SDRAM
Form FactorDIMM
ECC SupportYes (Error-Correcting Code)
Bus Speed4800–5600 MT/s (varies by system)
Memory RankVaries by SKU (RDIMM/LRDIMM supported)
Voltage1.1V (DDR5 standard low voltage)
On-Die ECCYes, for chip-level correction
Subchannels2 × 32-bit subchannels
ReliabilityValidated and tested by HPE
Operating Temperature0°C to 85°C
ComplianceJEDEC DDR5 standards
ApplicationEnterprise workloads, HPC, virtualization
ConfigurationRegistered / Load-Reduced depending SKU
DurabilityDesigned for 24/7 datacenter use
WarrantyBacked by HPE limited lifetime warranty

Warranty

Backed by HPE limited lifetime warranty

Returns

We guarantee free replacements on all new/refurbished equipment in case of any defects.

  • Returns must be requested within 30 days of the original invoice date.
  • Merchandise must be unused and in original packaging; bulk-packed and refurbished items must have unbroken sealing tape.
  • A 25% restocking fee applies to non-defective merchandise returned by mistake.
  • Discontinued, close-out, and custom printed items are non-returnable unless defective.
  • Customer is responsible for return freight costs.

View full return policy

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