Seagate Barracuda 1.5TB vs Seagate Cheetah 300GB

Key differences

The Seagate Cheetah 300GB has 7,800 RPM more HDD speed than the Seagate Barracuda 1.5TB (15000 RPM vs 7200 RPM). The Seagate Barracuda 1.5TB has 16 MB more storage drive buffer size than the Seagate Cheetah 300GB (32 MB vs 16 MB). The Seagate Barracuda 1.5TB has 5 ms more read seek time than the Seagate Cheetah 300GB (8.5 ms vs 3.5 ms). HDD capacity: 1.53 TB on the Seagate Barracuda 1.5TB, 300 GB on the Seagate Cheetah 300GB. Interface: Serial ATA on the Seagate Barracuda 1.5TB, Fibre Channel on the Seagate Cheetah 300GB.

• HDD capacity
  • Barracuda 1.5TB:1.53 TB
  • Cheetah 300GB:300 GB
• HDD speed
  • Barracuda 1.5TB:7200 RPM
  • Cheetah 300GB:15000 RPM
• Interface
  • Barracuda 1.5TB:Serial ATA
  • Cheetah 300GB:Fibre Channel
• Storage drive buffer size
  • Barracuda 1.5TB:32 MB
  • Cheetah 300GB:16 MB
• Read seek time
  • Barracuda 1.5TB:8.5 ms
  • Cheetah 300GB:3.5 ms
• Write seek time
  • Barracuda 1.5TB:10 ms
  • Cheetah 300GB:4 ms
• Average latency
  • Barracuda 1.5TB:4.16 ms
  • Cheetah 300GB:2 ms
• Width
  • Barracuda 1.5TB:101.6 mm
  • Cheetah 300GB:101.8 mm