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HPE (P43322-B21) 16 GB, DDR5, 4800 MHz, 288-pin DIMM RAM for PC/Server
HPE P43322-B21 16GB DDR5 RAM module with official Hewlett Packard Enterprise logo
Top view of HPE P43322-B21 16GB DDR5 4800MHz DIMM showing 288-pin edge connector
Side profile of HPE P43322-B21 16GB DDR5 server memory with gold contact pins
HPE P43322-B21 16GB DDR5 4800MHz ECC DIMM RAM module top view
Hewlett Packard Enterprise logo for P43322-B21 server memory
HPE brand mark on 16GB DDR5 288-pin DIMM RAM for PC and servers
HPE P43322-B21 16GB DDR5 4800MHz DIMM RAM module with 288-pin connector
Close-up of HPE P43322-B21 DDR5 RAM showing 288-pin edge and DRAM chips
Side angle of HPE P43322-B21 16GB DDR5 4800MHz server memory module
HPE P43322-B21 16GB DDR5 4800MHz DIMM RAM module showing green PCB and chip layout
Close-up of HPE 16GB DDR5 server memory stick with 288-pin connector and ECC chips
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HPE (P43322-B21) 16 GB, DDR5, 4800 MHz, 288-pin DIMM RAM for PC/Server

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Product Code: RMHO-6497

MPN #: P43322-B21

When your server workloads grow, insufficient memory can cause slow-downs, crashes and lost productivity. The HPE (P43322-B21) 16 GB, DDR5, 4800 MHz, 288-pin DIMM RAM for PC/Server gives you the extra capacity and speed you need to keep critical applications running smoothly, while protecting data integrity with ECC technology.

Why Choose HPE DIMM RAM

Servers that handle virtualisation, large databases or cloud services need reliable, high-performance memory to avoid bottlenecks. Without enough fast RAM, CPU cycles are wasted waiting for data, leading to higher operating costs and missed service level agreements. This DDR5 DIMM delivers 4800 MHz throughput and low-voltage operation, providing a clear upgrade path that maximises existing hardware and reduces power consumption.

Usages of a 4800 MHz DIMM RAM

Ideal for enterprise servers, this module fits into any HPE system that supports DDR5 288-pin DIMMs, delivering the bandwidth required for virtual machines, high-performance computing, and data-intensive workloads such as analytics and AI training.

Benefits of HPE DIMM RAM

You gain faster data access, which shortens processing times and improves user experience. The built-in ECC corrects memory errors on the fly, increasing system stability and uptime. Low 1.1 V operation cuts energy costs and heat output, extending the life of your server chassis. Because it is a single-rank, registered module, installation is straightforward and compatible with existing server configurations. Finally, HPE’s rigorous testing ensures the module meets strict reliability standards for mission-critical environments.

Key Features of a 4800 MHz DIMM RAM
  • Memory voltage: 1.1 V. Low power draw helps keep electricity bills down.
  • Memory ranking: 1. Single-rank design simplifies installation and improves signal integrity.
  • Memory clock speed: 4800 MHz. Provides high bandwidth for demanding applications.
  • CAS latency: 40. Balanced latency ensures quick response times.
  • ECC: Yes. Detects and corrects errors to maintain data integrity.
  • Memory form factor: 288-pin DIMM. Fits standard server slots without modifications.
  • Component for: Server. Designed specifically for enterprise-grade hardware.
  • Internal memory type: DDR5. Latest generation offering higher speeds and efficiency.
  • Memory layout (modules x size): 1 × 16 GB. Single module delivers a clean upgrade path.
  • Buffered memory type: Registered (buffered). Improves stability in multi-module configurations.

Specifications
Features
Memory voltage 1.1 V
Memory ranking 1
Memory clock speed 4800 MHz
CAS latency 40
ECC Yes
Memory form factor 288-pin DIMM
Component for Server
Internal memory type DDR5
Memory layout (modules x size) 1 x 16 GB
Internal memory 16 GB
Buffered memory type Registered (buffered)
Weight & dimensions
Weight 45 g
Other features
Internal memory 16 GB

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