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Quick RAM (memory) question

6,994 1,930 January 10, 2019 at 05:28 PM Get Crucial.com coupons Coupons
I bought an old Dell OptiPlex 7010 i5-3xxx for an HTPC. It has four memory slots, max 32 GB.

Here's what crucial.com sees:

https://www.crucial.com/usa/en/sc...BE31D926C3

Everything listed is DDR3L. As I understand it, that's 1.35v RAM. Can I use DDR3 (1.5) RAM as opposed to DDR3L? Or will I fry something?

Thanks!

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#2
I have worked on 100's of 7010's but never put more then 16GB but Crucial is always spot on. The 7010 has and always has power supply issues and replacing them is not cheap.
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#3
Quote from theinfluencer
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I have worked on 100's of 7010's but never put more then 16GB but Crucial is always spot on. The 7010 has and always has power supply issues and replacing them is not cheap.
I only planned on putting 16 GB (2 x 8 GB) and pulling the 2 X 2GB. But can I use DDR3, or do I need DDR3L?
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Quote from TheEdge
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I only planned on putting 16 GB (2 x 8 GB) and pulling the 2 X 2GB. But can I use DDR3, or do I need DDR3L?
Have one of those same machines. I put the Crucial DDR3L in mine but pretty sure that you can use DDR3.

This "Memory Compatibility Guide" from Dell says:

Quote :
Note: DDR3 and DDR3L

Below memory compatibility will be DDR3 unless stated otherwise. (example: DDR3L)

DDR3 is not backward-compatible with DDR2.

DDR3 and DDR3L are socket compatible, however, It is NOT compatible with systems using 4th Generation Intel (Haswell) processors, which exclusively support 1.35V operation for memory.

Example:
System will shutdown early in POST with a specific error code or beep code. Technical Support must verify that the right memory is used on these systems to prevent unnecessary disptaches.

https://www.dell.com/support/arti...de?lang=en
I see no specific requirement for DDR3L listed for the 7010 and your processor is 3rd gen.

Also see while searching people saying that they've put various 1600MHz DDR3 sticks in them.

So must be 1.5v available to the slot. DDR3L will work with either. DDR3 wouldn't work with the lower voltage.
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#5
Quote from Mike A.
:
Have one of those same machines. I put the Crucial DDR3L in mine but pretty sure that you can use DDR3.

This "Memory Compatibility Guide" from Dell says:



I see no specific requirement for DDR3L listed for the 7010 and your processor is 3rd gen.

Also see while searching people saying that they've put various 1600MHz DDR3 sticks in them.

So must be 1.5v available to the slot. DDR3L will work with either. DDR3 wouldn't work with the lower voltage.
Thanks, very helpful. Yeah, this is a third gen, so I guess I should be okay. If prices are close, I'll just go with the L. If not, I'll get 1.5V.

Repped.

EDIT: I just ran CPU-Z and it shows the existing RAM as running at 1.5V. So the board supports 1.5. Options are good!
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Last edited by TheEdge January 10, 2019 at 09:31 PM.
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Quote from TheEdge
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Thanks, very helpful. Yeah, this is a third gen, so I guess I should be okay. If prices are close, I'll just go with the L. If not, I'll get 1.5V.

Repped.

EDIT: I just ran CPU-Z and it shows the existing RAM as running at 1.5V. So the board supports 1.5. Options are good!
For what it's worth, 1.5v RAM in a 1.35v motherboard won't fry anything, but it just might not supply enough voltage to run the RAM at its full speed. The only way you might break anything would be to use low-voltage RAM in a high-voltage slot.
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