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HP 32GB DDR5 4800 (PC5 38400) Memory (Notebook Memory) Model 4M9Y2AA
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- DDR5 4800 (PC5 38400)
- CAS Latency CL40
- Voltage 1.10V
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32GB (1x32GB) DDR5 4800 UDIMM N
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.com's 30-Day Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Website
- Support Phone: 1-800-474-6836
- Support Website
- View other products from HP
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The HP 4M9Y2AA is a 32GB DDR5-4800 memory module with CL40 latency and 1.10V operation, suited to users upgrading a compatible system that supports this memory specification.
Recommended For
- Owners of an HP Pro Small Form Factor 400 G9, Pro Tower 400 G9 PCI, or Elite SFF 800 G9 who need a 32GB desktop-memory module for a supported upgrade or replacement.
- HP Z2 Tower G9 owners who want to add or replace memory with an HP-listed 32GB DDR5 UDIMM.
- IT staff maintaining compatible HP business desktops who prefer a memory part listed by HP for those systems.
Real-World Use Scenarios
- On a compatible HP desktop that is short on memory, adding this module can give office users more room to keep spreadsheets, video calls, browser tabs, and other work apps open together; the benefit is most noticeable when memory pressure is causing slowdowns.
- When developers run virtual machines or several containers alongside their coding tools, this 32GB module can provide more memory headroom for those concurrent workloads; processor and storage performance still affect how quickly they run.
- For photo or video editing on a compatible desktop, extra memory can help keep an editing app, larger project files, and reference material open together with fewer slowdowns from memory limits; it does not replace the need for a suitable CPU, GPU, and storage.
- In a supported HP desktop used for technical work, such as switching among engineering software, project files, and browser references, the added capacity can reduce memory-related interruptions when several demanding applications are open at once.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Desktop PCs with compatible DDR5 DIMM slots |
| Capacity | 32GB |
| Memory Speed And Latency | DDR5-4800 (PC5-38400) with CL40 CAS latency |
| Form Factor And Pins | 288-pin DIMM |
| Voltage | 1.10V |
| Model Identifiers | HP model 4M9Y2AA |








