Brand recommendations, I would go Samsung > Intel/Corsair/Adata > Kingston/Transcend/Patriot/Galax/Everything else. If you are going for 128Gb's then OS and a few apps are fine, maybe a game. 265Gb+ You can put a few of your most played games on. 512GB+ Would be like a standard 500GB plate drive.
Speed wise, most SSD's are going to be 350-500Mb/s however this depends on your SATA ports speeds. However even a average speed SSD is faster than a plate hard drive.
Samsung 250Gb EVO750 R1700~
Adata Premier SP580 240Gb R1300~
Adata SU800 512Gb R2700~
Corsair LE 240GB R1700~
Corsair LE 480Gb R2600~
Intel 540S 240Gb R1800~
Intel 540S 240Gb R1800~
No, standard 2.5" SSD's use the standard SATA connections. Unless you wish to use a M.2 Drive which needs a special port on your motherboard or a NVMe card.
They are electrical products and just like plate drives capable of failing one day into use or 10 years into use. Having said that...
You'll find most SSD's have a 3 year warranty, where the
faster models have a 5 year warranty.
Look at the MTBF (Mean time Between Failures) the average is around 1.5 millions hours, while some brands have it at 1 million.
A SSD
does have a limited read/write cycle life, but it will probably outlive other components on PC before it needs replacing.
Disable Windows recovery to save space. Also try to keep it around 70-75% full, filling it up to maximum tends to slow it down slightly. Don't defrag it, that will cause unnecessary amount of writes which won't help with speed.
Care to elaborate on that? I would rather install games on a SSD before install something like Handbrake or uTorrent which will do way more reads/writes than a game.