Dell R744K internal hard drive vs Dell U717D internal hard drive

Key differences

The Dell R744K internal hard drive has 140 GB more HDD capacity than the Dell U717D internal hard drive (300 GB vs 160 GB). The Dell R744K internal hard drive has 2,800 RPM more HDD speed than the Dell U717D internal hard drive (10000 RPM vs 7200 RPM). The Dell U717D internal hard drive has 1" more HDD size than the Dell R744K internal hard drive (3.5" vs 2.5"). Interface: SAS on the Dell R744K internal hard drive, Serial ATA II on the Dell U717D internal hard drive. Component for: Server/workstation on the Dell R744K internal hard drive, PC on the Dell U717D internal hard drive.

• HDD capacity
  • R744K internal hard drive:300 GB
  • U717D internal hard drive:160 GB
• HDD speed
  • R744K internal hard drive:10000 RPM
  • U717D internal hard drive:7200 RPM
• HDD size
  • R744K internal hard drive:2.5"
  • U717D internal hard drive:3.5"
• Interface
  • R744K internal hard drive:SAS
  • U717D internal hard drive:Serial ATA II
• Component for
  • R744K internal hard drive:Server/workstation
  • U717D internal hard drive:PC
• Operating voltage
  • R744K internal hard drive:5 V
  • U717D internal hard drive:5 / 12 V