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HPE P43322-B21 16GB DDR5-4800 Registered DIMM - 1 x 16GB - 288-pin - PC5-38400 - Server Memory Module
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Product Features
Product Overview
The HPE P43322-B21 16GB DDR5-4800 Registered DIMM is a high-performance server memory module engineered for enterprise-grade reliability and data integrity. This single-rank module delivers 16GB of capacity with DDR5 SDRAM technology, operating at 4800 MHz to support demanding computational workloads in rack and blade server environments.
Built with registered signal processing, this memory module enhances signal stability across large memory arrays, making it suitable for servers requiring consistent performance under heavy loads. The 288-pin DIMM form factor ensures proper physical compatibility with server motherboards designed for registered memory configurations.
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.
Technical Overview
This memory module implements DDR5 SDRAM architecture with a PC5-38400 memory standard, providing enhanced bandwidth and efficiency compared to previous DDR generations. The 4800 MHz clock speed enables rapid data transfer between the memory controller and server processors, reducing latency for memory-intensive applications.
The registered design incorporates a register between the memory controller and DRAM chips, improving signal integrity in multi-module configurations. This makes the module particularly suitable for servers with large memory capacities where signal degradation can impact system stability. The 1.10V operating voltage contributes to reduced power consumption while maintaining performance thresholds.
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.
Key Product Advantages
The combination of DDR5 technology with registered design creates a memory solution optimized for server environments where both performance and data integrity are critical. The module's physical dimensions and 288-pin configuration ensure proper fitment in compatible server memory slots without mechanical interference.
Enterprise-Grade Reliability
Registered signal processing ensures stable operation in server environments with extensive memory configurations, minimizing errors during high-throughput data transactions.
- Enhanced signal integrity for multi-module setups
- Reduced electrical load on memory controller
- Improved data accuracy in enterprise workloads
DDR5 Performance Benefits
DDR5 architecture delivers higher bandwidth and improved power efficiency compared to DDR4, with on-die ECC for increased data reliability at the chip level.
- Higher data transfer rates at 4800 MHz
- Lower operating voltage at 1.10V
- Advanced error correction capabilities
Deployment / Use Cases
This memory module is designed for deployment in enterprise server environments where registered memory is specified. The single 16GB module configuration allows for flexible memory population strategies, whether implementing uniform memory configurations across all channels or adding incremental capacity to existing systems.
System administrators can utilize this module for both new server builds and upgrade scenarios, particularly in environments running memory-intensive applications such as virtualization platforms, database management systems, and computational analytics workloads.
Server Memory Expansion
Ideal for adding capacity to existing HPE server deployments where matching specifications are required for optimal performance and compatibility.
- Rack server memory upgrades
- Blade server capacity expansion
- Replacement for failed modules
Data Center Infrastructure
Suitable for virtualization hosts, database servers, and application servers that benefit from registered memory's stability in multi-user environments.
- Virtual machine host memory pools
- Database server buffer cache
- High-availability cluster nodes
Physical Profile
The module measures 7.50 inches in length, 3.50 inches in width, and 0.52 inches in thickness (190.50 x 88.90 x 13.10 mm), conforming to standard DIMM dimensions for server applications. The 288-pin edge connector provides the electrical interface, while the lightweight design at approximately 1.41 ounces (40 grams) minimizes mechanical stress on server motherboard slots during installation and removal.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 3.50" (88.90 mm), 1.41 oz (40 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 3.50" (88.90 mm)
- Weight
- 1.41 oz (40 g)
- Length
- 7.50" (190.50 mm)
Highlights
- 16GB DDR5 SDRAM memory capacity for server applications
- 4800 MHz operating speed with PC5-38400 memory standard
- Registered signal processing for enhanced stability in server environments
- Single-rank design with 1 x 16GB module configuration
- 288-pin DIMM form factor for server motherboard compatibility
- 1.10V operating voltage for improved power efficiency
- Designed for rack servers, blade servers, and standard server platforms
- Physical dimensions: 7.50" L x 3.50" W x 0.52" T (190.50 x 88.90 x 13.10 mm)
Specifications
| Specifications | |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | P43322-B21 |
| Brand Name | HPE |
| Product Name | 16GB DDR5 SDRAM Memory Module |
| Product Type | RAM Module |
| Technical Information | |
| Memory Size | 16 GB |
| Memory Technology | DDR5 SDRAM |
| Memory Voltage | 1.10 V |
| Number of Modules | 1 x 16GB |
| Memory Speed | 4800 MHz |
| Memory Standard | DDR5-4800/PC5-38400 |
| Memory Rank | Single-rank |
| Signal Processing | Registered |
| Device Supported | Server,Rack Server,Blade Server |
| Physical Characteristics | |
| Number of Pins | 288-pin |
| Form Factor | DIMM |
| Thickness | 0.52" (13.10 mm) |
| Width | 3.50" (88.90 mm) |
| Length | 7.50" (190.50 mm) |
| Weight (Approximate) | 1.41 oz (40 g) |
FAQ
What type of servers is this HPE memory module compatible with?
This HPE P43322-B21 memory module is designed for server, rack server, and blade server platforms that support registered DDR5 memory. Compatibility depends on the specific server model's memory specifications, including support for DDR5-4800 speed, registered signal processing, and 288-pin DIMM form factor. Always verify compatibility with your server's documentation before purchase.
What does 'registered' mean for this memory module?
Registered memory includes a register between the memory controller and DRAM chips that buffers the electrical signals, improving signal integrity in systems with multiple memory modules. This design reduces the electrical load on the memory controller, enabling support for larger memory capacities while maintaining system stability. Registered memory is standard in enterprise servers where reliability and large memory configurations are required.
How does DDR5 memory differ from DDR4 in this module?
This module uses DDR5 SDRAM technology, which provides higher bandwidth, improved power efficiency, and enhanced reliability features compared to DDR4. DDR5 operates at 4800 MHz with a 1.10V voltage, offering faster data transfer rates while consuming less power. DDR5 also includes on-die ECC (Error Correction Code) for additional data integrity at the chip level, complementing the registered design's system-level stability.
Can I mix this module with other memory modules in my server?
Mixing memory modules requires careful consideration of specifications. This module has specific characteristics: DDR5-4800 speed, registered signal processing, single-rank design, and 1.10V voltage. For optimal performance and stability, servers typically require identical modules in each channel. Mixing different speeds, ranks, or signal processing types can lead to compatibility issues or reduced performance. Consult your server's memory configuration guidelines before mixing modules.
What is the significance of the 288-pin design?
The 288-pin configuration is the physical interface standard for DDR5 DIMM modules. This pin count and layout ensure proper electrical connection with server motherboard memory slots designed for DDR5 technology. The pin arrangement includes contacts for power, ground, data, address, and control signals specific to DDR5's improved architecture. This physical design prevents insertion into incompatible DDR4 slots, which use a different 288-pin layout.
How does single-rank design affect server memory performance?
Single-rank memory modules have one set of memory chips that the memory controller accesses simultaneously. This design typically allows for higher clock speeds and lower latency compared to dual-rank modules of the same capacity. For servers, single-rank modules can provide better performance in applications that benefit from faster memory access, though they may offer slightly less bandwidth efficiency than dual-rank modules in some configurations. The choice depends on your server's memory architecture and workload requirements.
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