Dell 740Y7 internal hard drive vs Dell 91K8T internal hard drive

Key differences

The Dell 740Y7 internal hard drive has 2,800 RPM more HDD speed than the Dell 91K8T internal hard drive (10000 RPM vs 7200 RPM). The Dell 91K8T internal hard drive has 1" more HDD size than the Dell 740Y7 internal hard drive (3.5" vs 2.5"). HDD capacity: 300 GB on the Dell 740Y7 internal hard drive, 3 TB on the Dell 91K8T internal hard drive. Interface: SAS on the Dell 740Y7 internal hard drive, NL-SAS on the Dell 91K8T internal hard drive. Type: Hybrid-HDD on the Dell 740Y7 internal hard drive, HDD on the Dell 91K8T internal hard drive.

• HDD capacity
  • 740Y7 internal hard drive:300 GB
  • 91K8T internal hard drive:3 TB
• HDD speed
  • 740Y7 internal hard drive:10000 RPM
  • 91K8T internal hard drive:7200 RPM
• HDD size
  • 740Y7 internal hard drive:2.5"
  • 91K8T internal hard drive:3.5"
• Interface
  • 740Y7 internal hard drive:SAS
  • 91K8T internal hard drive:NL-SAS
• Type
  • 740Y7 internal hard drive:Hybrid-HDD
  • 91K8T internal hard drive:HDD
• Operating voltage
  • 740Y7 internal hard drive:5 V
  • 91K8T internal hard drive:5 / 12 V