I’ve had an iPad up to 50 tabs before I got bored and quit.
As for your 8gb machine with 70 tabs open and why it works better with an SSD - that’s because your tabs are causing the machine to exceed the physical RAM available to it and it is using storage space for virtual memory. Unfortunately, this will kill SSDs in short order because they have a finite number of read/write cycles available to them. You should upgrade RAM if possible ASAP or consider reducing open tabs/sending pages of interest to your reading list.
Thanks much. I have another more detailed question for later. But I can go to 16gb right now. I have 16gb memory in a secondary desktop computer. I can take these same spec ddr3 and move (swap) them over to my primary desktop computer with the SSD today. Thanks for the tip! And the secondary computer has a hard disk drive anyway for operating with the 8Gb mem it will soon have.
I am surprised so many tabs can be open on an ipad. Very good!