HP Z9H55AT 4GB DDR4 SDRAM PC Memory

Name: HP Z9H55AT 4GB DDR4 SDRAM PC Memory
Brand: HP
SKU: Z9H55AT

4GB DDR4

Enhance Your Desktop's Performance with Reliable MemoryUpgrade your HP business desktop PC with this 4GB DDR4 SDRAM PC Memory module. Experience improved system performance and faster application responsiveness with this low-power, high-speed memory solution. Capacity: 4GB Type: DDR4 SDRAM Com...

$29.54*

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*Price sourced from Amazon.com. Last updated:Sep 06, 2026.Price and availability are subject to change — details.

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Overview

Enhance Your Desktop's Performance with Reliable Memory

Upgrade your HP business desktop PC with this 4GB DDR4 SDRAM PC Memory module. Experience improved system performance and faster application responsiveness with this low-power, high-speed memory solution.

Capacity: 4GB
Type: DDR4 SDRAM
Compatibility: HP business desktop PCs

Key Features

Ensure that all of your Memory characteristics match by upgrading with HP-branded Memory that’s been tested for seamless system-level integration with HP PCs.

Improve start-up times with fewer delays during routine operations, run more programs simultaneously, and easily toggle between them with super-fast, power-efficient Memory

Protect your investment with the same world-class HP limited Warranty you get for your PC.

Specifications

Capacity

4GB

Type

DDR4 SDRAM

Frequently Asked Questions

Is this HP Z9H55AT 4GB DDR4 SDRAM compatible with non-HP computer systems?

This memory module is specifically tested for seamless system-level integration with HP PCs, so compatibility with non-HP systems is not guaranteed or stated.

What are the benefits of upgrading my PC's memory with this HP DDR4 SDRAM?

Upgrading with this memory can improve start-up times, reduce delays during routine operations, allow you to run more programs simultaneously, and facilitate easier toggling between applications.

How can I verify if this 4GB DDR4 SDRAM is the correct memory for my HP PC?

To ensure compatibility, you should check your HP PC's specifications to confirm it uses DDR4 SDRAM and that a 4GB module fits your upgrade plans.

Does this memory module come with any warranty from HP?

Yes, it is protected by the same world-class HP limited Warranty that you receive for your HP PC, offering peace of mind for your investment.

What does "power-efficient memory" mean in practical terms for my computer?

Power-efficient memory like this DDR4 SDRAM consumes less energy, which can contribute to lower power bills and potentially extended battery life in laptops, as well as reduced heat generation.

Strengths & Trade-offs

👍 Pros

Ensures seamless system-level integration with HP PCs, guaranteeing compatibility and stability.
Improves start-up times, contributing to a faster overall system boot process.
Reduces delays during routine operations, enhancing efficiency for everyday computing tasks.
Allows for running more programs simultaneously, increasing multitasking capabilities.
Facilitates easy toggling between programs with super-fast, power-efficient memory.

👎 Cons

The 4GB capacity might be insufficient for users with very demanding applications or extensive multitasking needs.
Specific clock speed (MHz) of the DDR4 SDRAM is not provided, which affects performance comparisons.
Designed primarily for HP PCs, potentially limiting its compatibility or optimization with non-HP systems.
Detailed latency timings (e.g., CAS Latency) are not mentioned, which can be important for performance enthusiasts.
The physical dimensions or form factor (e.g., DIMM, SODIMM) are not explicitly stated, though DDR4 SDRAM implies a standard module.