Hitachi Deskstar T7K500 320 GB ATA-133 Hard Drive - Specs

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GPS has a variety of applications on land, at sea and in the air. The most common airborne applications are for navigation by general aviation and commercial aircraft. At sea, GPS is also typically used for navigation by recreational boaters, commercial fishermen, and professional mariners. Land-based applications are more diverse. GPS is now commonplace in automobiles as well. Some basic systems are in place and provide emergency roadside assistance at the push of a button (by transmitting your current position to a dispatch center). More sophisticated systems that show your position on a street map are also available.
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Internal
Internal enclosure refers to all hard drives that are installed inside desktop or laptop computers.

External
External hard drives are those that are set up outside of a computer, usually connected via a wire.

Plug-In
Plug-In Modules are those hard drives that are essentially removable or swappable.

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This is the actual physical size of the drive.
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This is the type of connection required to download music from your PC to the MP3 player. Some models offer more than one interface type for maximum flexibility.
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Spindle speed is the speed at which the drive's memory disc (or platter) spins. A higher spin rate improves both positioning and transfer performance for sequential operations. This means that the faster it spins, the faster data can be read off of the disk for single operations.
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External Data Transfer Rate is used to measure how quickly a hard drive is able to move data to the system. This is highly dependent on the interface type used.
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The interface is the type of connection (such as FireWire or USB) used by your hard drive. Home systems will mostly use an IDE interface. Professional systems can use higher quality interface, as SCSI.
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Internal Data Transfer Rate provides the best overall measurement of a drive's performance. The number represents how quickly data is read within the hard drive itself.
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Refers to the time a drive takes to locate a particular piece of data.
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Some GPS have extra features not normally associated with menus in tracking devices. These can indicate extra information such as weather or temperature readings, altitude or even icon options.
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Platform refers to the type of machine with which a hard drive is compatible.
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We show Flat Panel TV height without stand
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Depending on the type of use and portability needed, weight is an important consideration when selecting a product.
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