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I personally would avoid 120 GB SSDs or less. You can run Windows 10 comfortably with a 250 GB SSD however if you need to store more files on it the 500 GB-1000 GB is recommended. Dell offer great Service Manuals especially for their business range of products (but usually the home models also). Some systems such as Tablets have the drive soldered onto the motherboard and are non-upgradable. It can be slightly more difficult with Laptops, where you need to be careful how you take off the cover and may need to disconnect the battery first. The main thing to consider is that you still need to back it all up, so avoid having more internal storage than your backups can accommodate.You should check your System Manual to determine what drive types are compatible – usually 2.5" or M.2.Īlso check how easy, the system is to open to get to the drives it's usually very easy with Desktops, where you slide off the cover and get right to the drives. Other options are to move certain large folders to the other disk, such as your iTunes media or Photos data. Ask if you need that info, it just requires changing 'advanced' settings for the user account (but requires some thought & a backup). That can be as simple as duplicating the user data to the second disk & then telling the OS to use that as the source for your home folder. Personally I suspect you may want to put your OS on the SSD & have your User data (your home folder) on the larger spinning disk? You can even flip it the other way around if you have large enough disks, but the OS should run faster from an SSD. There are many, many ways to setup a Mac to save certain data to two disks. Look at the current size via apps like OmniDiskSweeper, that will allow you to see how large your personal user data is & also see how large your 'system' is (this means everything that is at the base of the boot disk not including your personal user data). You need to look at the amount of data you have & how that compares to the size of the disks you plan to use.
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