I would put your Swap on the SSD as it is faster than the HDD but thats my opinion.
Also swap is not used only if a application runs out of memory.
It is also used when processes in memory are sleeping, they will often be swapped out for current processes.
You also dont have to use a swap partition, you could use a swap file also.
there is lots of debate on it.
On my laptops i use 2x ram +1 for hibernation.
On my desktop i have 16Gb ram and so only use .5x the ram.
I have windows 7 on first SSD with a swap for my Linux
I have linux (slackware and debian) on my second SSD
and a shared 2TB data HDD as my 3rd physical drive
Swap should be close to the first sector on a HDD but i dont think it really matters on a SSD so my swap on my first SSD is towards the end after the Windows C:
My machine runs like its on rocket fuel no matter what i do, what application i run or what OS i am in
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