10/31/2023 0 Comments Reddit ssd guide first thing to do![]() ![]() ![]() Most laptops come with fairly low end harddrives. One thing I’m concerned about is perhaps people aren’t actually comparing apples to apples here. The whitesheet numbers state outright that SSDs should come out significantly ahead of magnetic drives, yet a lot of people insist they get significantly worse battery life when actually using a SSD. There seems to be a lot of back and forth on this. Specifically, they show that the Intel X25-M G2, which used to be the “gold standard” among SSDs, uses less than half of the power of the Western Digital VelociRaptor HDD at load and about 1/8 of the power at idle. Other sources, namely Anandtech, reveals that SSDs usually consume less power. That means, depending on the way you use your laptop or desktop machine, an SSD can save you more than 225% in power, having a significant effect on battery-life if you use a mobile machine. If the SSD only runs for about 10 minutes for every hour of operation, this is 1/6th of the time. To contrast, an SSD that is 5V 1000mA and runs for about 10 minutes for every hour of operation. That means the HDD consumes 1.875 watts of power, for each hour. If the HDD only runs for about 45 minutes out of an hour, this is 75 percent of the time. To calculate power consumption (P), you use the formula P = I * V: Let’s say you have a HDD that is 5V 500mA and runs for about 45 minutes for every hour of operation. What this means is that a mechanical HDD will cost you more power in the long run, because a user tends to keep the mechanical HDD running for a longer period of time before shutting down, due to the significantly long lag that exists for restarting a mechanical drive.Īnd simple mathematics show that an SSD is going to be more power-efficient. This is perfectly doable from a user’s experience stand point because the next time drive access is required, the SSD can be back online in a matter of seconds instead of the 15–30 seconds that it takes for a mechanical drive to re-initialize. What you need to do is make sure that you configure the power settings of the OS to shut the drive down after a single minute. For example, if you are someone who replaces their mechanical Hard Disk Drive (HDD) with a Solid State Drive (SSD), you’ll notice that actual power consumption will double. An SSD definitely consume less power than an HDD due to start up efficiency. ![]()
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