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HPE P43019-B21 16GB DDR4-3200 ECC Unbuffered DIMM - 1 x 16GB - 288-pin - CL22 - Single-rank

SKU: P43019-B21
UPC: 0190017527420
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MSRP: $939.95
$939.95
$836.95
Save: $103.00 (10.96%)
Warranty Information: Covered by Manufacturer
Condition: New
Width: 8.89 (cm)
Height: 1.23 (cm)
Depth: 1.23 (cm)
Availability: Canada: Final Units Available
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Product Features

Description

Product Overview

The HPE P43019-B21 is a 16GB DDR4 SDRAM memory module engineered for reliable performance in desktop PC and server environments. This DIMM module delivers 3200 MHz speed with ECC error checking and unbuffered signal processing, providing a stable memory upgrade solution for compatible systems.

With a single-rank configuration and CL22 latency, this module balances speed with efficient data access. The 288-pin interface and DDR4-3200/PC4-25600 standard ensure compatibility with modern motherboards that support this memory technology.

Relevant factors for this section include Memory Size, Memory Technology, Memory Voltage, Number of Pins. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Capacity
DDR4 SDRAM
Installed Memory
DDR4 SDRAM3200 MHz
Memory Configuration
Capacity16 GB
Module Count1 x 16GB
Form FactorDIMM
Performance Specifications
Memory TechnologyDDR4 SDRAM
Speed3200 MHz
StandardDDR4-3200/PC4-25600
Advanced Features
Error CheckingECC
Signal ProcessingUnbuffered, Unregistered
CAS LatencyCL22
Physical Interface
Pin Count288-pin
Memory RankSingle-rank
Voltage1.20 V

Technical Overview

This memory module operates at 3200 MHz with DDR4 SDRAM technology, providing improved bandwidth over previous DDR generations. The ECC (Error-Correcting Code) feature detects and corrects single-bit memory errors, enhancing data integrity for critical applications.

The unbuffered and unregistered signal processing reduces latency compared to registered modules, making this DIMM suitable for systems that prioritize direct memory access. Operating at 1.20V, it maintains energy efficiency while delivering consistent performance.

Relevant factors for this section include Memory Size, Memory Technology, Memory Voltage, Number of Pins. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.

Memory Speed3200 MHz
Capacity16 GB
CAS LatencyCL22
DDR4 SDRAMECCUnbufferedSingle-rank288-pin

Key Product Advantages

These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Enhanced System Performance, Reliability Features.

Enhanced System Performance

The 3200 MHz speed and DDR4 architecture provide substantial bandwidth improvements, allowing systems to handle multiple applications simultaneously with reduced processor idle time.

  • Supports complex application workloads
  • Minimizes data transfer bottlenecks
  • Improves overall system responsiveness

Reliability Features

ECC error checking combined with unbuffered processing creates a balanced approach to memory reliability, detecting and correcting errors without introducing significant latency penalties.

  • Data integrity protection
  • Stable operation in demanding environments
  • Reduced system crashes due to memory errors

Deployment / Use Cases

This HPE memory module serves as an upgrade solution for desktop workstations and servers requiring additional memory capacity with ECC protection. The single 16GB DIMM configuration allows for flexible memory expansion in systems with available DIMM slots.

Ideal for business environments where data integrity matters, including financial applications, database servers, and engineering workstations. The unbuffered design makes it particularly suitable for systems where low latency is prioritized over maximum memory capacity expansion.

Relevant factors for this section include Memory Size, Memory Technology, Memory Voltage, Number of Pins. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Desktop Workstation Upgrade

Enhance professional desktop systems with additional memory for CAD applications, video editing, software development, and data analysis workloads.

Server Memory Expansion

Add reliable memory capacity to compatible servers running business applications, virtualization platforms, or database systems requiring ECC protection.

Physical Profile

The module features standard DIMM dimensions measuring 7.50" (190.50 mm) in length, 3.50" (88.90 mm) in width, and 0.75" (19.05 mm) in thickness. With an approximate weight of 1.55 oz (44 g), it maintains compatibility with standard DIMM slots and retention mechanisms in desktop and server chassis.

The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 3.50" (88.90 mm), 1.55 oz (44 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.

Dimensions
Width
3.50" (88.90 mm)
Weight
1.55 oz (44 g)
Length
7.50" (190.50 mm)
[custom-highlights]

Highlights

  • 16GB DDR4 SDRAM memory module for desktop PC and server upgrades
  • 3200 MHz operating speed with DDR4-3200/PC4-25600 standard
  • ECC error checking for enhanced data integrity and reliability
  • Unbuffered and unregistered signal processing for reduced latency
  • Single-rank configuration with CL22 CAS latency
  • 288-pin DIMM form factor for standard motherboard compatibility
  • 1.20V operating voltage for energy-efficient performance
  • Single module configuration (1 x 16GB) for flexible installation
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerHewlett Packard Enterprise
Manufacturer Part NumberP43019-B21
Brand NameHPE
Product Name16GB DDR4 SDRAM Memory Module
Product TypeRAM Module
Technical Information
Memory Size16 GB
Memory TechnologyDDR4 SDRAM
Memory Voltage1.20 V
Number of Modules1 x 16GB
Memory Speed3200 MHz
Memory StandardDDR4-3200/PC4-25600
Memory RankSingle-rank
Error CheckingECC
Signal ProcessingUnbuffered,Unregistered
CAS LatencyCL22
Device SupportedDesktop PC,Server
Physical Characteristics
Number of Pins288-pin
Form FactorDIMM
Thickness0.75" (19.05 mm)
Width3.50" (88.90 mm)
Length7.50" (190.50 mm)
Weight (Approximate)1.55 oz (44 g)
[/custom-specifications][custom-faq]

FAQ

What systems are compatible with this HPE memory module?

This HPE P43019-B21 memory module is designed for desktop PC and server systems that support DDR4-3200 memory with 288-pin DIMM slots. Compatibility depends on your motherboard's specific memory requirements, including support for ECC, unbuffered modules, and 1.20V operation. Always verify your system specifications before purchase.

What does ECC mean for this memory module?

ECC stands for Error-Correcting Code, a feature that detects and corrects single-bit memory errors automatically. This enhances data integrity by preventing corrupted data from causing system crashes or incorrect calculations, making this module suitable for business-critical applications where reliability is essential.

How does unbuffered memory differ from registered memory?

Unbuffered memory (like this module) has no register between the memory controller and DRAM chips, resulting in lower latency compared to registered memory. This makes unbuffered modules faster for direct memory access but typically supports fewer modules per channel. Unbuffered is ideal for systems prioritizing speed over maximum memory capacity.

What is the significance of the single-rank configuration?

Single-rank means all memory chips on this module are accessed simultaneously by the memory controller. This configuration typically offers better performance in systems with fewer memory modules installed, as it reduces electrical load on the memory controller compared to dual-rank modules, potentially allowing higher stable speeds.

Can I mix this module with other memory in my system?

Mixing memory modules can work if all modules share identical specifications including speed, timings, voltage, and rank configuration. However, for optimal stability, it's recommended to use identical modules from the same manufacturer and batch. Mixing ECC with non-ECC modules or different speeds may cause compatibility issues or force all modules to run at the lowest common speed.

What applications benefit most from this 16GB DDR4-3200 module?

This module excels in memory-intensive applications including virtualization, database management, engineering software, financial analysis, and multimedia editing. The 16GB capacity provides substantial working memory for complex datasets, while the 3200 MHz speed ensures responsive performance when handling multiple simultaneous processes or large file operations.

[/custom-faq]
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HPE P43019-B21 16GB DDR4-3200 ECC Unbuffered DIMM - 1 x 16GB - 288-pin - CL22 - Single-rank
MSRP: $939.95
$939.95
$836.95
Save: $103.00 (10.96%)
Available & Ready to Ship