Dell 77GRH internal hard drive vs Dell MG528 internal hard drive

Key differences

The Dell MG528 internal hard drive has 1,800 RPM more HDD speed than the Dell 77GRH internal hard drive (7200 RPM vs 5400 RPM). The Dell MG528 internal hard drive has 1" more HDD size than the Dell 77GRH internal hard drive (3.5" vs 2.5"). HDD capacity: 1 TB on the Dell 77GRH internal hard drive, 500 GB on the Dell MG528 internal hard drive. Interface: Serial ATA III on the Dell 77GRH internal hard drive, Serial ATA on the Dell MG528 internal hard drive. Operating voltage: 5 V on the Dell 77GRH internal hard drive, 5 / 12 V on the Dell MG528 internal hard drive.

• HDD capacity
  • 77GRH internal hard drive:1 TB
  • MG528 internal hard drive:500 GB
• HDD speed
  • 77GRH internal hard drive:5400 RPM
  • MG528 internal hard drive:7200 RPM
• HDD size
  • 77GRH internal hard drive:2.5"
  • MG528 internal hard drive:3.5"
• Interface
  • 77GRH internal hard drive:Serial ATA III
  • MG528 internal hard drive:Serial ATA
• Operating voltage
  • 77GRH internal hard drive:5 V
  • MG528 internal hard drive:5 / 12 V