Can I use this RAM modules on Dell Inspiron 15 - 3521 ?

Question

DELL-Akshatha M · Accepted Answer

Hi KALANA SILVA,

Thank you for writing to Dell Community Forum.

Below is the table of memory configuration tested and supported on this system:

Slot A	Slot B	Total Memory
2048 MB	None	2048 MB
2048 MB	2048 MB	4096 MB
4096 MB	None	4096 MB
4096 MB	2048 MB	6144 MB
4096 MB	4096 MB	8192 MB

Hope this helps.

Kindest Regards,
DELL-Akshatha M
Social Media and Community Professional
#IWork4Dell

thedukeofwales · Accepted Answer

Hello and good morning Are they the exact same length? Are they both 1333Ghz, 1600Ghz? They may be 'apples and oranges.' Mark

ejn63 · Accepted Answer

One is DDR-3 and the other is DDR3-L -- generally it's not a good idea to mix the two in the same system.

On newer systems (Haswell and Broadwell) you need DDR3L anyway - DDR3 isn't supported. The same will be the case with Skylake CPUs, assuming any notebooks are released using Skylake with DDR3 -- most will support DDR4 only.

Kalana Silva · Answer

Thank you DELL-Akshatha M... :emotion-1:

Kalana Silva · Answer

Hi thedukeofwales, 4GB RAM is 1600MHz and I think 2GB one is 1066MHz.. :emotion-1::emotion-1::emotion-1:

Kalana Silva · Answer

Hi ejn63 ,  Tested on Dell Inspiron 15 - 3521.. Reduced memory speed.. But it works..

DELL-Akshatha M · Answer

Hi KALANA SILVA, Do let me know if you still face any further issue. Kindest Regards,DELL-Akshatha MSocial Media and Community Professional#IWork4Dell

thedukeofwales · Answer

Hello and good morning Just what exactly is a Social Media and Community Professional? Mark

thedukeofwales · Answer

Hello and good morning I have (4) 4GB 1600Mhz DDR3 that are 5 1/2' long in a Precision T5600. I know that you have a laptop and not a desktop but how long are the 4GB Memory Modules? Mark

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