It’s easier to replace the optical drive, but if you still use DVDs or CDs on occasion, swapping the hard drive is an option. Other people want to keep the optical drive and swap the hard drive for an SSD. Some people prefer to keep their old hard drives and replace the optical drive with an SSD. IMacs sold between 2009 and mid-2012 have two drive bays: one for the hard drive, and one for the DVD/CD SuperDrive. Here’s how I did it, and – if you’re up for a quick do-it-yourself project – what I’d recommend for you.įirst Choice: Are You Replacing or Keeping Your Old Hard Drive? With limited expertise and only three tools, I swapped out my old hard drive for an SSD in roughly 30 minutes. Today, high-quality, capacious SSDs can be had for reasonable prices, and they’re surprisingly easy to install in iMacs. SSDs use high-speed memory chips rather than the spinning platter mechanisms in traditional hard drives, achieving up to 5X benefits in speed while requiring no moving parts. Five years ago, SSDs were both expensive and limited in capacity, making them unlikely components for most Macs. Yet there’s something you can do for $200 to $500 that will radically change your iMac’s performance: install a solid state drive (SSD) in addition to or instead of its original hard drive. Sure, the new iMac with 5K Retina Display looks a little nicer, but at a steep $2,499 starting point, it’s still a luxury, not a necessity. The HDD fan I have at a fixed speed of 180rpm, very quiet, and the SSD doesnt generate much heat anyway, if wanted you could link it to the SSD temperature.Īfter you have found the ideal settings for yourself, you can forget about the program, it'll boot automatically and will do its thing every time again.If you bought your iMac 3-5 years ago, there’s probably nothing so seriously wrong with the hardware that you need to consider replacing the machine. In another machine with a Nvidia 780m I have it at 50° and 75° For CPU I have the low one at 50° Celsius and the high one at 70°.įor the GPU (ODD fan) I have it at 50☌elsius low and 60° high, a bit noisy, but I like to keep the AMD standard GPU cool, they tend to fail fats. So CPU fan you couple to one of the cpu cores, the low temperature is until when the fan runs at minimum speed, the high emperature is when the fan wil turn at max speed. The set up itself is rather easy, there are three fans (cpu, HDD and ODD), you can connect each fan to any temperature sensor you want, and then you can set the low and high temperatur for that specific sensor. You have to set it once, and afterwards it will automatically start and run with the last setting (so you do not need to set it up every time you boot). The free version just always remembers the last setting. The main advantage of the paid version is that you can store several different profiles, for example a setting for high level of cooling (together with more fan noise), another setting for low noise (but higher operating temperatures), one in between and so on. Click to expand.Free version should be fine.
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