HPE 32GB Dual Rank x8 DDR5-4800 CAS-40-39-39 Unbuffered Memory Module

Overview

The HPE P64339-B21 is a 32 GB DDR5 memory module designed for HPE ProLiant and compatible HPE Compute platforms. It features an unbuffered UDIMM design with a dual rank x8 layout and operates at 4800 MT/s, providing fast data transfer rates that help reduce processor wait times during server tasks like file serving, virtualization, and small database operations. Running at 1.2 V, this module balances performance with energy efficiency, making it suitable for continuous operation in data closets, branch offices, or lab environments.

Key features

• Unbuffered UDIMM design that simplifies installation and supports mainstream HPE server platforms
• DDR5 technology delivering 4800 MT/s for quicker data handling and improved server responsiveness
• Dual rank x8 configuration that offers a good balance between capacity and performance
• Low operating voltage of 1.2 V to reduce power consumption and heat generation in always-on servers
• CAS latency timings of 40-39-39 to ensure stable and reliable memory access under typical workloads
• 288-pin DIMM form factor allowing for easy, tool-free upgrades or replacements
• Factory-tested by HPE to guarantee compatibility and dependable operation within supported platforms

Key specs

• Capacity: 32 GB
• Memory type: DDR5
• Speed: 4800 MT/s
• Voltage: 1.2 V
• CAS latency: 40-39-39
• Rank: Dual rank x8
• Form factor: 288-pin DIMM

Compatibility and installation

This memory module is specifically tested and validated for HPE ProLiant servers and other compatible HPE Compute platforms, ensuring a smooth upgrade experience without compatibility concerns. Its standard 288-pin DIMM form factor fits easily into supported server motherboards, allowing IT teams to expand memory capacity quickly and with minimal downtime. This makes it a practical choice for small businesses, departments, or edge locations looking to extend the life of their existing HPE servers.

Ideal uses and environments

The P64339-B21 module is well suited to environments that require reliable and efficient memory performance for everyday server workloads. It supports virtualization, file serving, and small database applications effectively, making it a strong option for branch offices, labs, and data closets where power efficiency and stable operation are critical. IT teams aiming to add capacity for additional virtual machines or data analytics will find this module a cost-effective way to boost server capabilities without compromising stability.