Barracuda | 1 TB | 7200 RPM | Buffer 256 MB | 3.5 " | Serial ATA III | 2xHDD number of heads | Average latency 6 ms | Operating temperature (T-T) 0 - 60 °C | Weight 415 g
Barracuda | 4 TB | 5400 RPM | Buffer 256 MB | 3.5 " | Serial ATA III | 4xHDD number of heads | Average latency 6 ms | Operating temperature (T-T) 0 - 60 °C | Weight 490 g
Barracuda | 3 TB | 5400 RPM | Buffer 256 MB | 3.5 " | Serial ATA III | 3xHDD number of heads | Average latency 6 ms | Operating temperature (T-T) 0 - 60 °C | Weight 490 g