What does the L in PC3L mean?

little_fish · Created May 29, 2021 11:05:09

Hi Phany.
DDR3L, or PC3L is the same and stands for low power memory 1.35v. L after DDR3, or PC3 means low power. DDR3 or PC3-12800 is standard voltage ram 1.5v.
PC3L, or DDR3L ram is 1.35v, but can operate on 1.5v as well, so even if your server does not support 1.35v memory, this ram will adjust its voltage to 1.5v. it can be used for both, DDR3 supporting server or DDR3L.
Thank you.

little_fish · Created May 29, 2021 11:05:09

Hi Phany.
DDR3L, or PC3L is the same and stands for low power memory 1.35v. L after DDR3, or PC3 means low power. DDR3 or PC3-12800 is standard voltage ram 1.5v.
PC3L, or DDR3L ram is 1.35v, but can operate on 1.5v as well, so even if your server does not support 1.35v memory, this ram will adjust its voltage to 1.5v. it can be used for both, DDR3 supporting server or DDR3L.
Thank you.

Unicef · Created May 29, 2021 12:05:45

Good answer

Lucas_Zhao · Created Aug 16, 2021 07:14:59

Dear Phany,

PC3L Vs PC3

PC3 is standard voltage (1.50V) where PC3L is low voltage (1.35V) - A system that requires PC3L cannot support PC3 RAM. PC3L RAM will work in a PC3 based system as it will run at the standard voltage and will inter-operate with PC3 RAM within the system.

12800 MB/s (DDR3-1600) Vs 10600 MB/s (DDR3-1333)

This is the speed of the RAM Clearly DDR3-1600 is able to run faster than DDR-1333. But that's only the module ability not what the system is running its memory bus speed at. Your MacBook was designed for PC3-10600 DDR3 SDRAM, it's best to stick with what Apple expects. You can use the faster RAM, but, you really won’t see a sizable difference. So don’t spend extra for the few nanoseconds of improvement.

Thanks.

What does the L in PC3L mean?

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