HD CAVIAR BLUE 1TB,7200RPM,CAHCE 64MB,SATA3(6Gb/s)

8TB Storage Capacity , 3.5" Form Factor , SATA III 6 Gb/s Interface , 256MB Cache , 7200 rpm

WD My Passport 1TB, Black, USB 3.0

12TB Storage Capacity , 3.5" Form Factor , SATA III 6 Gb/s Interface , 512MB Cache , 7200 rpm

WD My Passport 1TB, Blue, USB 3.0

2TB Storage Capacity , 3.5" Form Factor , SATA III 6 Gb/s Interface , 256MB Cache , 5400 rpm , Up to 180 MB/s Sustained Transfer Rate , 1 Million Hours MTBF , 180TB Yearly Workload Rating , Air Sealed

WD My Passport 1TB, Red, USB 3.0

16TB 3.5” , 7,200rpm, Helium-sealed design, Synology Plus Series HDD SATA HDD

WD My Passport 2TB, White, USB 3.0

20TB Storage Capacity , 3.5" Form Factor , SATA III 6 Gb/s Interface , 512MB Cache , 7200 rpm , 2.5 Million Hours MTTF , 550TB Yearly Workload Rating

WD My Passport 2TB, Red, USB 3.0

20TB Storage Capacity , 3.5" Form Factor , SAS-3 12 Gb/s Interface , 512MB Cache , 7200 rpm , 2.5 Million Hours MTBF , 550TB /jo Yearly Workload Rating