I see some ppl have 60 and some 120gb ssd, so my question is, is 60gb good or should i buy 120gb? I mean if i dont need 120 i will just go for 60.
60 Gb SSD will be quite enough for both Windows and Linux. But if you would like to run some wallets on the rig then 120 Gb is better choise
60gb is hardly enough for both the os and the page file which is set at how much? 16gb. windows needs a min of 30gb to run decently and that doesn't include other things that get installed windows alone installed takes up as much as 45 to 50gb leaving just 10gb left which is NOT enough for a 16gb page file on a 60gb ssd, buying a 120gb ssd is just a waste of money when a 80gb is MORE than sufficient for windows, its over kill for Linux, 30gb ssd tops for linux
Actually 60 GB is plenty for a Windows install running just a miner program. I have several instances of Win 10 installs that only use around 45 GB of space, including a 16 GB swap file, drivers and a few copies of mining programs. One storage hog you may run into is the hibernate feature which will consume as much space as your physical memory. I usually turn this off from the command prompt since a mining rig will not be hibernating. The command is a simple:
Also 80 GB is not a real common size in SSDs, seems the popular sizes are 32 GB, 64 (60), and 128 (120) and so on. The price difference between a 60 GB SSD and a 120 GB SSD is often only $10. I suspect the manufacturers really don't make the small units but instead bin the parts and any with excessive read/write failures they can simply mark that part of the SSD bad and half the size.
For example if they only run production on 120 GB drives as a minimum, maybe if the failure would peg it too far under the threshold they would simply make it a 60 GB drive. Most SSDs have unallocated extra space anyway for normal failures over its life span where the drive logic can map the spare space as needed, so it would be a simple matter to also program them to recognize only 60 GB even if it had 100 GB usable, but less than the 120 GB.
So since the production costs are the same, they simply sell the better binned parts at a higher cost since they can use the full storage space. This is similar to CPU and GPU core binning practices where cores that don't pass the higher quality threshold may still run fine at a lower frequency or with less cores activated.