Dell 300GB SCSI 3.5" vs Dell 80GB ATA 2.5"

Key differences

The Dell 300GB SCSI 3.5" has 220 GB more HDD capacity than the Dell 80GB ATA 2.5" (300 GB vs 80 GB). The Dell 300GB SCSI 3.5" has 4,600 RPM more HDD speed than the Dell 80GB ATA 2.5" (10000 RPM vs 5400 RPM). The Dell 300GB SCSI 3.5" has 1" more HDD size than the Dell 80GB ATA 2.5" (3.5" vs 2.5"). Interface: Ultra320 SCSI on the Dell 300GB SCSI 3.5", IDE/ATA on the Dell 80GB ATA 2.5". Operating voltage: 5 / 12 V on the Dell 300GB SCSI 3.5", 5 V on the Dell 80GB ATA 2.5".

• HDD capacity
  • 300GB SCSI 3.5":300 GB
  • 80GB ATA 2.5":80 GB
• HDD speed
  • 300GB SCSI 3.5":10000 RPM
  • 80GB ATA 2.5":5400 RPM
• HDD size
  • 300GB SCSI 3.5":3.5"
  • 80GB ATA 2.5":2.5"
• Interface
  • 300GB SCSI 3.5":Ultra320 SCSI
  • 80GB ATA 2.5":IDE/ATA
• Operating voltage
  • 300GB SCSI 3.5":5 / 12 V
  • 80GB ATA 2.5":5 V
• Drive device, transfer rate
  • 300GB SCSI 3.5":320 MB/s
  • 80GB ATA 2.5":100 MB/s