Western Digital Caviar 40GB 7200RPM SATA 1.5Gbps 2MB Cache 3.5-inch Internal Hard Drive
Manufacturer Western Digital
Manufacturer Part # WD400BD
Product Line Caviar
Performance
Product Type Internal Hard Drive
Form Factor 3.5-inch
Capacity 40 GB
Cache 2 MB
Spindle Speed 7200 RPM
Average Seek Time 8.9 ms
Drive Interface Type SATA 3.0 Gbps
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WD Blue WD3200AAJS 320GB Desktop Hard Drive Serial ATA hard drives have the features and capacities that are ideal for next-generation computers and low-end enterprise storage. Users benefit from a data transfer rate of 300 MB/s and an improved cabling that enables greater system design flexibility. Designers of enterprise storage systems and servers are increasingly using desktop-class, large-capacity SATA hard drives because of the advantages that the SATA interface provides.
The range of scores (95th – 5th percentile) for the WD Blue 2.5″ 320GB (2009) is 27.9%. This is a relatively narrow range which indicates that the WD Blue 2.5″ 320GB (2009) performs reasonably consistently under varying real world conditions.
The Western Digital 500GB Scorpio Blue 2.5″ Internal Hard Drive is designed for use in portable computing solutions, and features a 3 Gbps SATA interface, 5400 RPM rotational speed, and 8 MB buffer size. It can transfer data at speeds up to 3 Gbps (buffer to host) and 136 MB/s (host to drive). In addition, the hard drive offers 5.5 ms average latency and 4 sec average ready time.
The range of scores (95th – 5th percentile) for the WD Blue 2.5″ 160GB (2009) is 27.6%. This is a relatively narrow range which indicates that the WD Blue 2.5″ 160GB (2009) performs reasonably consistently under varying real world conditions.
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