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2.5 Laptop Hard Drives
Buy New:  $127.95
WD Scorpio® Blue™ 5400 RPM 2.5-inch SATA and EIDE hard drives from Western Digital deliver lightning-fast and ultra-quiet performance hand-in-hand with low power consumption. In addition, these hard drives are designed with ruggedness, reliability, and data-protection features that actively watch over valuable data. Available in capacities from 160 to 500 GB, these drives feature a...
 
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SATA offers performance as high as 3.0 Gbit/sec per device with the current specification. SATA uses only 4 signal lines, allowing for much more compact cables compared with PATA. It also offers new features such as hot-swapping and native command queuing. There is a special connector (eSATA) specified for external devices, and an optionally implemented provision for clips on internal connectors. SATA drives may be plugged into Serial Attached SCSI (SAS) controllers and communicate on the same physical cable as native SAS disks. SAS disks, however, may not be plugged into a SATA controller.
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