[SOLVED] Is it ok to run Ram with different voltages?

Jul 22, 2021
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I have Sony Vaio SVE15133CN laptop with i3-31200M@2.5GHz with 2GB Elpida preinstalled RAM(1.50V).I wanted to upgrade my laptop memory so I bought Samsung 4GB ram with same specs but with voltage 1.35V. I have putted both on 2 memory slots(since 3-4 days) and I am getting very good performance. But I have read in some forums that using Ram with different voltages can cause damage to your motherboard or RAM or physical parts. Is it true? Should I remove one of them?
RAM specs:-
Elpida-> 2GB 1RX8 PC3-12800S-11-10-B2
SAMSUNG->4GB 2RX8 PC3L-12800S-11-11-F3

Help me out. Thanks in advance.
 
How can you say that samsung ram is running at 1.5V and willn't cause any damage?
Because Elpida ram is DDR3. I is very unlikely to be able to run ar 1.35V.
All ram in system runs at same voltage. It's not possible to specify different voltages for each module separately.
CPU-Z is showing 1.5V of Elpida and 1.35V to Samsung. May I be 100% sure that my RAM or motherboard willn't damage?
Those are values from SDP table. Those are not actual voltages/latencies, that are currently being used.

Everything is good there. You have nothing to worry about.
 
Jul 22, 2021
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Both modules are running at 1.5V now.
It's fine. DDR3L (Samsung module) can run at 1.5V no problem.
Thanks a lot for replying.
How can you say that samsung ram is running at 1.5V and willn't cause any damage? CPU-Z is showing 1.5V of Elpida and 1.35V to Samsung. May I be 100% sure that my RAM or motherboard willn't damage?
 
How can you say that samsung ram is running at 1.5V and willn't cause any damage?
Because Elpida ram is DDR3. I is very unlikely to be able to run ar 1.35V.
All ram in system runs at same voltage. It's not possible to specify different voltages for each module separately.
CPU-Z is showing 1.5V of Elpida and 1.35V to Samsung. May I be 100% sure that my RAM or motherboard willn't damage?
Those are values from SDP table. Those are not actual voltages/latencies, that are currently being used.

Everything is good there. You have nothing to worry about.
 

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