Drive device, buffer size 64 MB Hard drive speed 7200 RPM Hard drive size 3.5 " HDD 1000 GB Hard drive interface transfer rate 6 Gbit/s

Drive device, buffer size 64 MB Data transfer rate 6 Gbit/s Hard drive size 3.5 " Hard drive speed 7200 RPM HDD 2000 GB

Drive device, buffer size 64 MB Data transfer rate 6 Gbit/s Hard drive size3.5 " Hard drive speed 7200 RPM HDD 3000 GB

Drive device, buffer size128 MB Data transfer rate (max) Up to 6 Gb/s Gbit/s Hard drive size 3.5 " Hard drive speed 7200 RPM HDD 4000 GB

Drive device, buffer size 128 MB Data transfer rate (max) Up to 6 Gb/s Gbit/s Hard drive size3.5 " Hard drive speed 7200 RPM HDD 5000 GB

Drive device, buffer size 128 MB Data transfer rate (max) Up to 6 Gb/s Gbit/s Hard drive size 3.5 " Hard drive speed 7200 RPM HDD 6000 GB

High-Reliability Hard drive speed 7200 RPM Hard drive size3.5 " Hard drive interface SATA HDD 8000 GB