機箱火牛RAM SSD問題,急問,過2天要買了,謝謝幫忙

請問以下機箱有咩唔同???
SilverStone  PS11B-W
Corsair Carbide CC-100R (Window) USB3.0(Window)
Thermaltake Versa N26 (Window) USB3.0 (黑色) 我想買呢個~~

火牛
ANTEC TPC550 TruePower Classic 550W 80Plus Gold完本想買,剛剛睇到出面留言..有點怕...
FSP FSP-AU-550S AURUM S 550W 80Plus Gold  呢個好嗎???

RAM
我打算買Kingston Value Series DDR4-2133MHz (1x16GB) Ram KVR21N15D8/16    好嗎??

SSD 2個邊個牌子好點???唔計GB數
Plextor 256GB PX-256M6V M6V Series 2.5" SATA3 6Gb/s
KLEVV Urbane U610 480GB D480GAA-U610 2.5" SATA3 6Gb/s SSD