P43334-B21 HPE 128GB Quad Rank Memory X4 DDR5-4800 EC8 Registered

The P43334-B21 HPE 128GB (1x128GB) Quad Rank x4 DDR5-4800 CAS-46-39-39 EC8 Registered Smart Memory Kit is an enterprise-grade, high-capacity memory solution purpose-engineered for HPE ProLiant Gen11 server platforms. Designed to meet the extreme demands of modern data center workloads—including large-scale virtualization, in-memory databases, cloud infrastructure, high-performance computing (HPC), and big data analytics—this module delivers an unparalleled combination of massive capacity, reliable performance, and energy efficiency.

Leveraging cutting-edge DDR5 technology and a quad-rank x4 architecture, it provides a substantial leap in bandwidth and latency improvements over legacy DDR4 solutions, enabling servers to efficiently scale with multi-core processors and data-intensive applications. The EC8 Registered design, paired with advanced ECC capabilities and HPE SmartMemory technology, ensures exceptional signal integrity, robust data protection, and maximum system uptime.

Operating at a native speed of DDR5-4800 MT/s (PC5-38400) with precise CAS-46-39-39 timings, this memory kit delivers consistent, high-speed data access critical for large-scale transactional databases, virtual machine (VM) density, and real-time analytics. The quad-rank x4 (4Rx4) configuration maximizes memory channel utilization, providing enhanced parallelism and throughput compared to dual-rank or single-rank modules.

Built to HPE's stringent quality standards, the P43334-B21 incorporates advanced Error Correcting Code (ECC) technology, which actively detects and corrects single-bit memory errors in real time, preventing data corruption and unplanned system crashes. The EC8 (Extended Capability 8) registered design further enhances signal stability and reliability, supporting robust Reliability, Availability, and Serviceability (RAS) features.

This Smart Memory Kit is fully qualified and optimized for HPE ProLiant Gen11 Intel-based servers, including rack, tower, and blade models, as well as Synergy compute modules. It is engineered to unlock HPE-exclusive performance and power-management features that are unavailable with generic third-party memory.

Designed for modern, power-conscious data centers, the module operates at a low 1.1V supply voltage, significantly reducing power consumption and heat generation compared to DDR4 modules. This efficiency directly lowers cooling costs and contributes to a more sustainable IT infrastructure.

• Large-Scale Server Virtualization & Hyper-Converged Infrastructure (HCI): Maximizes VM density and performance for VMware, Hyper-V, and Nutanix environments
• In-Memory Database Management: Enhances throughput and reduces latency for SAP HANA, Oracle Exadata, and other large-scale in-memory database deployments
• Cloud & Edge Computing: Provides reliable, high-capacity memory for public/private cloud nodes and edge server appliances
• Big Data & Business Analytics: Accelerates data processing for BI tools, data warehouses, and real-time analytics platforms
• High-Performance Computing (HPC): Powers scientific simulations, computational research, and AI/ML training workloads
• Mission-Critical Enterprise Servers: A robust, high-reliability choice for scaling memory in mission-critical Gen11 server deployments

A1: No. This memory kit is specifically designed and qualified for HPE ProLiant Gen11 Intel-based servers only. It is not backwards-compatible with Gen10 or earlier platforms due to differences in memory controller architecture, power requirements, and physical form factor.

A2: For optimal performance and stability, HPE strongly recommends populating servers with identical memory modules (same part number, capacity, speed, rank, and CAS latency). Mixing different memory configurations may result in reduced performance, compatibility issues, or system instability.

A3: Quad Rank x4 (4Rx4) refers to a memory module with four independent memory banks (ranks) organized in a 4-bit data width, maximizing memory channel utilization and throughput. EC8 Registered (3DS) uses a register to buffer address and control signals, improving signal integrity and supporting larger memory configurations.

A4: Error Correcting Code (ECC) continuously scans for and automatically corrects single-bit data errors that can occur due to electrical interference or cosmic radiation. This prevents silent data corruption and system crashes, which is vital for maintaining data integrity in mission-critical applications.

A5: The P43334-B21 includes a 3-year limited warranty covering defects in materials and workmanship. Warranty support is available through HPE's global support channels, including online case management, technical support chat, and authorized service partners.

• Processing Time: Standard orders ship within 1-2 business days upon payment confirmation
• In-Stock Status: Product availability is updated in real-time

• Carriers: DHL, FedEx, and UPS for international shipments
• Estimated Transit Times: North America & Europe: 5-7 business days; Asia-Pacific: 4-6 business days
• Tracking: Unique tracking number provided via email

All memory kits are packaged in anti-static, shock-absorbent materials to prevent Electrostatic Discharge (ESD) and physical damage during transit. Each unit is sealed in HPE-branded packaging with a genuine warranty label for authenticity verification.

Customs & Duties: The buyer is responsible for all applicable import duties, taxes, and customs fees levied by the destination country. These charges are not included in the product or shipping price.

Documentation: A detailed commercial invoice is included with all international shipments to facilitate smooth customs clearance.