Dell 01KWKJ internal hard drive vs Dell 99NCV internal hard drive

Key differences

The Dell 99NCV internal hard drive has 400 GB more HDD capacity than the Dell 01KWKJ internal hard drive (900 GB vs 500 GB). The Dell 99NCV internal hard drive has 2,800 RPM more HDD speed than the Dell 01KWKJ internal hard drive (10000 RPM vs 7200 RPM). The Dell 01KWKJ internal hard drive has 1" more HDD size than the Dell 99NCV internal hard drive (3.5" vs 2.5"). Interface: Serial ATA III on the Dell 01KWKJ internal hard drive, SAS on the Dell 99NCV internal hard drive. Operating voltage: 5 / 12 V on the Dell 01KWKJ internal hard drive, 5 V on the Dell 99NCV internal hard drive.

• HDD capacity
  • 01KWKJ internal hard drive:500 GB
  • 99NCV internal hard drive:900 GB
• HDD speed
  • 01KWKJ internal hard drive:7200 RPM
  • 99NCV internal hard drive:10000 RPM
• HDD size
  • 01KWKJ internal hard drive:3.5"
  • 99NCV internal hard drive:2.5"
• Interface
  • 01KWKJ internal hard drive:Serial ATA III
  • 99NCV internal hard drive:SAS
• Operating voltage
  • 01KWKJ internal hard drive:5 / 12 V
  • 99NCV internal hard drive:5 V