Dell 7KXJR internal hard drive vs Dell M231G internal hard drive

Key differences

The Dell 7KXJR internal hard drive has 1,800 RPM more HDD speed than the Dell M231G internal hard drive (7200 RPM vs 5400 RPM). The Dell 7KXJR internal hard drive has 1" more HDD size than the Dell M231G internal hard drive (3.5" vs 2.5"). The Dell 7KXJR internal hard drive has 3 Gbit/s more HDD interface transfer rate than the Dell M231G internal hard drive (6 Gbit/s vs 3 Gbit/s). HDD capacity: 1 TB on the Dell 7KXJR internal hard drive, 250 GB on the Dell M231G internal hard drive. Interface: SAS on the Dell 7KXJR internal hard drive, Serial ATA II on the Dell M231G internal hard drive.

• HDD capacity
  • 7KXJR internal hard drive:1 TB
  • M231G internal hard drive:250 GB
• HDD speed
  • 7KXJR internal hard drive:7200 RPM
  • M231G internal hard drive:5400 RPM
• HDD size
  • 7KXJR internal hard drive:3.5"
  • M231G internal hard drive:2.5"
• Interface
  • 7KXJR internal hard drive:SAS
  • M231G internal hard drive:Serial ATA II
• HDD interface transfer rate
  • 7KXJR internal hard drive:6 Gbit/s
  • M231G internal hard drive:3 Gbit/s
• Operating voltage
  • 7KXJR internal hard drive:5 / 12 V
  • M231G internal hard drive:5 V