Seagate Barracuda LP 2 TB Review
The LP Barracuda (ST32000542AS) is to store the first internal hard drive from Seagate to two terabytes of data, 2TB is currently the maximum capacity of a single 3.5 inch SATA-2 drive. The Seagate Barracuda LP also manages to reduce energy consumption compared to conventional hard drives 7200 rpm, while maintaining adequate performance.
The Barracuda LP 2 TB internal hard drive has four disks with 500 GB and has 32 MB cache. The drive spins 5900rpm, an unconventional figure, between 5400 of the slower internal hard drives and 7200 often find sitting in standard 3.5 inch desktop hard drives.

The “LP” LP in Barracuda (ST32000542AS) stands for Low-Power. Similar equivalent drive from Western Digital, WD Caviar Green 2 TB, the Barracuda LP focuses on energy efficiency. Western Digital strong markets of “green power” functions like a variable spin speed, that aid the Caviar Green-power efficiency, but is beyond the spin speed 5900rpm Seagate is not fixed, employs energy-saving measures in the Barracuda LP. However, the impact is felt.

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In our tests, the Barracuda LP 2TB 5.2 watts in idle mode consumes, consumes more than 1.5 W Western Digital Caviar Green its internal hard disk requirements. When writing data to 5.8W power and reading data used its power consumption 6.4W jumped up. Performing a simultaneous read/write operation causes the drive consumes 6.3W. Since the LP Barracuda 2 TB has a constant speed, power consumption was more consistent than the Caviar Green, the drive disk rotates at variable speeds. Overall, the Barracuda uses less power than most LP 3.5″ internal hard drives, but the energy savings are not as important as the Caviar Green’s.

We tested the drive by the transfer of data between it and a 300GB Western Digital VelociRaptor. In these tests, the Barracuda 2TB LP performed significantly better than the Caviar Green 2 TB.
The 20GB hard drive wrote of 3-4GB files with 73.8 megabytes per second (Mbps) and read the same data 79.5MBps. It copies the data from a folder on the hard disk to another at a speed of 29.8MBps. In our small test file with 3GB files of 1 MB, the Barracuda 2TB LP wrote at 50Mbps, look on 76.5MBps and held a concurrent read/write operation at 30.6MBps. These speeds are much higher than the Caviar Green 2 TB, the 10-30 Mbit s read and write was slower tests.

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The average temperature 36 degrees Celsius, which is not significantly different from 7200rpm Seagate internal hard drives like the Barracuda 7200.12. However, the slower rotation speed mean the drive is barely audible, only some noticeable noise in intensive operations.
If you need 2TB of storage, Seagate Barracuda LP’s internal hard drive is a good choice and provides decent performance.





























