... work simultaneously LED indicator shows activity T/T Paypal 2012 new design usb 3.0 compatible usb 2.0/1. ... 5Gb/s,PCI-E1.0(2.5'' HDD-70MB/S,3.5''HDD-125MB/S,SSD-125MB/S), ... PCI-E2.0(2.5''HDD-70MB/S,3.5''HDD-125MB/S,SSD-225MB/S) ... 4.No external power required for one 2.5'' HDD with the capacity no more than ... 4-USB3.0 AF port.6.No driver needed for Windows ME/2000/XP/Vista/7, MAC OS ...