Western Digital Caviar® Special Edition WD2500JB 250 GB ATA-100 Hard Drive Specifics

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WD Caviar SE hard drives are designed for maximum performance in applications such as computer gaming, digital video editing, and file servers. They deliver data faster than any hard drive in their class. Capacities range up to 250 GB, all with 8 MB buffer.

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Western Digital Caviar® Special Edition WD2500JB 250 GB ATA-100 Hard Drive Specifics and Information

Product MPN
	MPN	WD2500JB
Key Features
	Spindle Speed	7200 RPM
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.
	Interface	IDE/EIDE
	Designation	Desktop Computer
Designation dictates the type of machine the Hard drive is made for.
	Capacity	250 GB
	Enclosure	Internal
<b>Internal</b><br>Internal enclosure refers to all hard drives that are installed inside desktop or laptop computers.<br><br><b>External</b><br>External hard drives are those that are set up outside of a computer, usually connected via a wire.<br><br><b>Plug-In</b><br>Plug-In Modules are those hard drives that are essentially removable or swappable.<br>
	HDD Form Factor	3.5' x 1/3H (Low Profile)
This is the actual physical size of the drive.
Technical Features
	Sound Emission	36 dB
	Internal Data Transfer Rate	737 Mbit/s
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.
	External Data Transfer Rate	100 MBps
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.
	Seek Time	8.9 ms
Refers to the time a drive takes to locate a particular piece of data.
	Buffer Size	8 MB
	Interface (Detailed)	DMA/ATA-100 (Ultra)
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.
	Average Latency	4.17 ms
Other Features
	Platform	PC
Platform refers to the type of machine with which a hard drive is compatible.
	Package Qty.	1
	Brand	Western Digital
Dimensions
	Depth	5.79 in.
	Height	1.02 in.
	Weight	1.32 lb.
	Width	4.02 in.
Warranty
	Warranty	3 Years
Miscellaneous
	Release Date	February, 2003
	UPC	718037106687
	Product ID	20744414