Dell 14X21 internal hard drive vs Dell MP6GM internal hard drive

Key differences

The Dell 14X21 internal hard drive has 7,800 RPM more HDD speed than the Dell MP6GM internal hard drive (15000 RPM vs 7200 RPM). The Dell MP6GM internal hard drive has 1" more HDD size than the Dell 14X21 internal hard drive (3.5" vs 2.5"). HDD capacity: 300 GB on the Dell 14X21 internal hard drive, 2 TB on the Dell MP6GM internal hard drive. Interface: SAS on the Dell 14X21 internal hard drive, Serial ATA on the Dell MP6GM internal hard drive. Operating voltage: 5 V on the Dell 14X21 internal hard drive, 5 / 12 V on the Dell MP6GM internal hard drive.

• HDD capacity
  • 14X21 internal hard drive:300 GB
  • MP6GM internal hard drive:2 TB
• HDD speed
  • 14X21 internal hard drive:15000 RPM
  • MP6GM internal hard drive:7200 RPM
• HDD size
  • 14X21 internal hard drive:2.5"
  • MP6GM internal hard drive:3.5"
• Interface
  • 14X21 internal hard drive:SAS
  • MP6GM internal hard drive:Serial ATA
• Operating voltage
  • 14X21 internal hard drive:5 V
  • MP6GM internal hard drive:5 / 12 V