IBM and Toshiba are looking toward the next generation of RAM. They want it to be faster, of course, but they're also hoping to score two of the biggest unobtained prizes in RAM:
- Instant Boot
- Unpowered Storage
Instant boots save energy in several indirect ways. It promotes powering down computers at night, as the powering up becomes less inconvenient. Unpowered storage decreases power use dramatically because the RAM can continue to hold data without having to constantly pull from the power supply. Toshiba estimates that the MRAM will use about 10% less energy per megabyte than today's RAM.
Unfortunately, MRAM currently has problems operating at a wide variety of temperatures. The inside of a computer has a pretty wide temperature range. Toshiba says that they have overcome this problem, and they expect MRAM to take over the market by 2015.
Via TechRadar

written by John, June 09, 2008
The true power suckers of PCs lie in the CPU, GPU, displays...
written by Ron Mertens, June 10, 2008
http://www.mram-info.com
Ron
written by tons, June 10, 2008
written by John Thomas, June 10, 2008
JT
http://www.Privacy-Center.net
written by Jordan, June 10, 2008
written by No, June 10, 2008
written by memoryhog, June 10, 2008
written by William, June 10, 2008
written by inc, June 10, 2008
written by Alex, June 10, 2008
True, the GPU and CPU eat up alot more, but that is their nature. They do calculations, unlike RAM which requires WAY more power. Besides, engineers are already bringing down power consumption for both of these.
written by Matt, June 10, 2008
written by CW, June 10, 2008
Article: "...MRAM will use about 10% less energy..."
written by JamesC, June 10, 2008
There's an even more efficient version of this called Hibernate or suspend-to-disk. The contents of RAM is saved to the hard drive, which will be restored at boot time. For the extra cost of a few seconds shutting down and starting up, this allows the computer to turn off completely.
Incidentally, laptops have actually been making use of this ability all the way along. When you close the lid of your laptop, it automatically goes into suspend. That's why it takes a few seconds for the screen to come back on when you open it. Most will also switch to hibernate after some time of inactivity.
Though MRAM will be more energy efficient and will make suspend-to-ram a zero-power ability, it will not have a drastic effect on computer power consumption. The same power savings it provides can already be found today in suspend and hibernate modes. You just have to use them.
written by Andy, June 10, 2008
Hehe... ;-)
written by Bob, June 10, 2008
written by Craig, June 10, 2008
written by happyguy, June 10, 2008
cut the porn, and you'll be helping the environment.
written by You, June 10, 2008
2 - "Uses about 10% less energy" = Only uses 90% power
Next time you quote something why don't you try and quote the whole statement. It says 10% less energy PER MEGABYTE. Because most people have more than a megabyte of RAM, this tends to add up a bit now doesn't it? Let's try to pay attention shall we?
written by ME, June 10, 2008
written by Uncle B, June 10, 2008
written by Jimi, June 10, 2008
Next time you quote something why don't you try and quote the whole statement. It says 10% less energy PER MEGABYTE. Because most people have more than a megabyte of RAM, this tends to add up a bit now doesn't it? Let's try to pay attention shall we?
So how much does it "add up to" when we have lets say 10 megabytes of RAM? 10 * 10% = 100%? ie no energy consumtion at all? And with more then 10 megabytes of RAM I guess you actually *gain* energy?
written by Alan, June 10, 2008
You wrote:
Corban is stupid.
written by You , June 10, 2008
1 - "Using 90% less power" = Only uses 10% power
2 - "Uses about 10% less energy" = Only uses 90% power
Next time you quote something why don't you try and quote the whole statement. It says 10% less energy PER MEGABYTE. Because most people have more than a megabyte of RAM, this tends to add up a bit now doesn't it? Let's try to pay attention shall we?
Wow, what a great concept! This will be of great use to many system designers. Imagine the ramifications. Having problems with power consumption? Just add another GB of MRAM.
'tard! Get out of my gene pool.
written by Jim Bob, June 10, 2008
Magnetic RAM is faster, uses 90%, less power
written by Fail, June 10, 2008
written by Robert Kepner, June 10, 2008
written by Randall, June 10, 2008
Curious though; since this RAM can hold its states longer without power, would that bring up any security issues such as those recently seen regarding decrypted passwords lingering in memory used for full disk encryption and other various forms of encryption? I hope that all encryption developers improve their key/container management before this memory is widely adopted.
written by Matt, June 10, 2008
It says that it uses 10% less energy PER MEGABYTE. This does not mean that with 10 megabytes it uses 100% less energy.
Say, as a hypothetical example, that 1gb of RAM uses 1 kilowatt. That's (roughly) 1 watt per megabyte, right? So if they all use 10% less per megabyte, each megabyte will only use .9 watts. Therefore, you will be using about 900 watts, which is 90% of 1 kilowatt. Obviously, RAM uses much less power than this, but it's still valid.
So You is right, everyone else is wrong.
written by Sturmeh, June 11, 2008
Currently using a battery to maintain the ram in a PC is infeasible as it still uses a fair bit of power.
Their true aim is empowered ram, where they will essentially never heat up, which means they could possibly become much more powerful.
Instant boot becomes possible.
written by ion, June 11, 2008
example: if u are doing something on your computer and u have to get up and do something for lets say 3hrs. the memory will not use power while u are gone unless u are running torrents and u leave your monitor on.
at least thats how i look at it but i cud be wrong
written by This e-mail address is being protected from spambots. You need JavaScript enabled to view it , June 18, 2008
written by tom jordan, June 19, 2008
already available for dell laptops with current technology ram. $800 for the option.
written by Tim, June 19, 2008
written by Redline, June 20, 2008
Time and money spent researching the kind of technology covered in this article should be put towards bringing the best tech to market, and that is quantum dot memory.
written by ??, November 19, 2008
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2 - "Uses about 10% less energy" = Only uses 90% power
Take your pick, and it can't be both. TechRadar says it's Number 1.