Dell 400-ATJW internal hard drive vs Dell 400-ATKO internal hard drive

Key differences

The Dell 400-ATKO internal hard drive has 2 TB more HDD capacity than the Dell 400-ATJW internal hard drive (4 TB vs 2 TB). The Dell 400-ATKO internal hard drive has 1" more HDD size than the Dell 400-ATJW internal hard drive (3.5" vs 2.5"). The Dell 400-ATJW internal hard drive has 6 Gbit/s more HDD interface transfer rate than the Dell 400-ATKO internal hard drive (12 Gbit/s vs 6 Gbit/s). Only the Dell 400-ATJW internal hard drive has storage drive adapter included. Interface: SAS on the Dell 400-ATJW internal hard drive, Serial ATA III on the Dell 400-ATKO internal hard drive.

• HDD capacity
  • 400-ATJW internal hard drive:2 TB
  • 400-ATKO internal hard drive:4 TB
• HDD size
  • 400-ATJW internal hard drive:2.5"
  • 400-ATKO internal hard drive:3.5"
• Interface
  • 400-ATJW internal hard drive:SAS
  • 400-ATKO internal hard drive:Serial ATA III
• HDD interface transfer rate
  • 400-ATJW internal hard drive:12 Gbit/s
  • 400-ATKO internal hard drive:6 Gbit/s
• Operating voltage
  • 400-ATJW internal hard drive:5 V
  • 400-ATKO internal hard drive:5 / 12 V
• Storage drive adapter included
  • 400-ATJW internal hard drive:Yes
  • 400-ATKO internal hard drive:No