Can I install this on a HP desktop (instead of a laptop)? If so, can I use this to add more RAM instead of just getting new RAM (as in adding 4 GB of RAM to my desktop that already has 4 GB of RAM)?

This is a SODIMM, which is the type of memory used in Laptops. Desktops use DIMM memory, so the answer is No, you cannot use this in your HP desktop. As for adding more memory to your desktop there are a lot of variables. If your running a 32 bit operating system, your computer will never see more than 4gb of memory. Most desktops will have at least 2 memory slots and some will have 4 or more. If you computer already has 4 GB already, you might be able to add additional memory or you might have to replace the memory that is already installed. If you don't know how to check this, I suggest you consult with someone who knows how to check (your local computer shop).

Acer Aspire Go 15 Laptop - AMD Ryzen 7 5825U - 16GB DDR4 RAM - 512GB SSD - Windows 11 Home (NX.JQJAA.002)

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Crucial 4GB Single DDR4 2400 (PC4 19200) 260-Pin SODIMM Memory - CT4G4SFS824A

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Speeds start at 2133 MT/s and faster data rates are expected to be available as DDR4 technology matures
Increase bandwidth by up to 30-Percent
Reduce power consumption by up to 40-Percent and extend battery life
Faster burst access speeds for improved sequential data throughput

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4GB DDR4 2400 MT/s (PC4-19200) CL17 SR x8 Unbuffered SODIMM 260pin

Model
Brand	Crucial
Model	CT4G4SFS824A

Details
Capacity	4GB
Type	260-Pin DDR4 SO-DIMM
Speed	DDR4 2400 (PC4 19200)
CAS Latency	CL17
Voltage	1.20V
ECC	No
Buffered/Registered	Unbuffered
Features	Single-Rank x8

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First Listed on Newegg	June 11, 2026

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