Dell 400GB 3.5" SAS vs Lenovo 320GB 2.5" SATA II

Key differences

The Dell 400GB 3.5" SAS has 80 GB more HDD capacity than the Lenovo 320GB 2.5" SATA II (400 GB vs 320 GB). The Dell 400GB 3.5" SAS has 4,600 RPM more HDD speed than the Lenovo 320GB 2.5" SATA II (10000 RPM vs 5400 RPM). The Dell 400GB 3.5" SAS has 1" more HDD size than the Lenovo 320GB 2.5" SATA II (3.5" vs 2.5"). Interface: SAS on the Dell 400GB 3.5" SAS, Serial ATA II on the Lenovo 320GB 2.5" SATA II. Operating voltage: 5 / 12 V on the Dell 400GB 3.5" SAS, 5 V on the Lenovo 320GB 2.5" SATA II.

• HDD capacity
  • 400GB 3.5" SAS:400 GB
  • 320GB 2.5" SATA II:320 GB
• HDD speed
  • 400GB 3.5" SAS:10000 RPM
  • 320GB 2.5" SATA II:5400 RPM
• HDD size
  • 400GB 3.5" SAS:3.5"
  • 320GB 2.5" SATA II:2.5"
• Interface
  • 400GB 3.5" SAS:SAS
  • 320GB 2.5" SATA II:Serial ATA II
• Operating voltage
  • 400GB 3.5" SAS:5 / 12 V
  • 320GB 2.5" SATA II:5 V