What is Dual-Voltage RAM?
In the past, most DDR3 memory voltage ranged from 1.5 - 1.65v. More recently, dual 1.35/1.5 voltage modules have become available. While the lower voltage memory has some advantages over high voltage (namely lower power consumption), your system must support it in order to realize the benefits.
Which is better; 1.35V/1.5V or 1.5V?
Generally, lower voltage is considered better, as it consumes less power and in turn, may generate less heat. However, it is important to note that the overall system must support DDR3L (1.35V low voltage) to enable the module to run at 1.35V. If the system does not support DDR3L (1.35V low voltage), the module will run at 1.5V.
Which one should I buy; 1.35V/1.5V or 1.5V?
Purchase whichever of memory your system supports, but keep in mind the dual-voltage module will run only run at 1.35V if your system supports that voltage, otherwise you won't get the benefit of the lower voltage and the memory will run at 1.5V.
Will the dual voltage 1.35V/1.5V parts work with my original memory?
If your original installed memory is 1.5V and you are adding a
dual-voltage 1.35V/1.5V module to an open DIMM slot, the dual-voltage
module will operate at 1.5V, not 1.35V. In order to run at 1.35V, all
installed memory modules must be dual-voltage 1.35V/1.5V and the system
must support DDR3L (1.35V low voltage) to enable the module to run at
1.35V.
For dual voltage DDR3 RAM, please visit Here
Related Articles
Troubleshooting memory problems
COMMON MEMORY PROBLEMS When you have a problem with memory, the cause is usually one of three things: 1. Improper Configuration: You have the wrong part for your computer or did not follow the configuration rules. 2. Improper ...
Installing a SODIMM memory module in your notebook
Installing a SODIMM memory module in your notebook STEP 1: Get out the tools you'll need. Memory module(s) Non-magnetic-tip screwdriver (for removing cover only) Your computer manual STEP 2: Turn off and unplug your notebook. Turn your notebook power ...
Ram Memory and SSD upgrade installation video - Mac mini Server (Mid 2011)
Step-by-step videos of how to install memory and a hard drive in the Apple Mac mini Server (Mid 2011) with Model ID: Macmini5,3. Model ID: Macmini5,3 How to Upgrade or Install Memory in an Apple Mac mini Server (Mid 2011) OWC Skill Level: "Easy" How ...
Ram Memory and SSD upgrade installation video - Mac mini (Late 2012)
Step-by-step videos of how to install memory, a hard drive, or a Bluetooth module shield in the Apple Mac mini (Late 2012). Model ID: Macmini6,1 | Macmini6,2 How to Upgrade or Install Memory in an Apple Mac mini (2011 - 2012) OWC Skill Level: "Easy" ...
SSD & RAM Installation Videos - Mac Pro pre-2008
Mac Pro pre-2008 Memory Install Video OWC's step-by-step video of how to install memory in the Apple Mac Pro pre-2008. Duration: 4:36 Model ID: MacPro1,1 | MacPro2,1 Mac Pro pre-2008 Hard Drive Install Video OWC's step-by-step video of how to install ...