Dell 1.2TB, SAS, 2.5" vs Dell 500GB, SATA II, 3.5"

Key differences

The Dell 1.2TB, SAS, 2.5" has 2,800 RPM more HDD speed than the Dell 500GB, SATA II, 3.5" (10000 RPM vs 7200 RPM). The Dell 500GB, SATA II, 3.5" has 1" more HDD size than the Dell 1.2TB, SAS, 2.5" (3.5" vs 2.5"). HDD capacity: 1.2 TB on the Dell 1.2TB, SAS, 2.5", 500 GB on the Dell 500GB, SATA II, 3.5". Interface: SAS on the Dell 1.2TB, SAS, 2.5", Serial ATA II on the Dell 500GB, SATA II, 3.5". Operating voltage: 5 V on the Dell 1.2TB, SAS, 2.5", 5 / 12 V on the Dell 500GB, SATA II, 3.5".

• HDD capacity
  • 1.2TB, SAS, 2.5":1.2 TB
  • 500GB, SATA II, 3.5":500 GB
• HDD speed
  • 1.2TB, SAS, 2.5":10000 RPM
  • 500GB, SATA II, 3.5":7200 RPM
• HDD size
  • 1.2TB, SAS, 2.5":2.5"
  • 500GB, SATA II, 3.5":3.5"
• Interface
  • 1.2TB, SAS, 2.5":SAS
  • 500GB, SATA II, 3.5":Serial ATA II
• Operating voltage
  • 1.2TB, SAS, 2.5":5 V
  • 500GB, SATA II, 3.5":5 / 12 V