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Western Digital

WD4000YR 400GB

The Western Digital WD4000YR 400GB is a 3.5" 400GB Hard Disk Drive.

It uses the SATA 1.5Gb/s interface and has a speed of 7200 RPM.

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Western Digital WD4000YR 400GB

Drive TypeHard Disk DriveThis defines whether the drive is a large-capacity slower hard disk drive, a smaller-capacity but much faster solid-state drive, or a hybrid
Physical Size3.5"The size of the drive dictates which drive bays it will fit into - generally a small drive will fit into any bigger drive bay with an adapter
Capacity400GBThe drive storage capacity is the limit to the size of files that can be stored
Release Date01 Mar 2006 The later the release, the more likely manufacturer support will still be around
Cache Size16MBThe bigger the cache, the more data that can be temporarily stored for faster access
Power Required11WHDDs should generally require very little power to run, and SSDs even less
RPM7200 RPMThe higher the RPM, the faster the hard drive, and the faster stored data can be accessed
Drive InterfaceSATA 1.5Gb/sThe interface is the type of motherboard connection and defines the bandwidth limit of the drive

WD4000YR 400GB compatibility review

The Western Digital WD4000YR 400GB is a hard disk drive, which means it stores data using quickly rotating disks, or platters, that can be read and written on via the moving actuator arm. Hard disk drives generally have a large storage capacity, and so are perfect for large amounts of data. The potential performance is well below that of solid-state drives, but they can definitely still hold their own. The Western Digital WD4000YR 400GB is a fairly poor primary hard disk drive choice, as its performance leaves a lot to be desired. It would be fine to use as basic data storage, though.

With a cache of 16MB, the Western Digital WD4000YR 400GB can store a relatively small amount of data temporarily, which will result in fast loading times but only for a small amount of previously loaded data. At a speed of 7200 RPM, the hard disk drive spins at about the market average for desktop PCs. This speed is widely considered the desktop standard, providing a good balance between reliability, cost, performance, and noise.

With a capacity of 400GB, the Western Digital WD4000YR 400GB has a very small amount of storage space for an hard disk driveUsing the SATA 1.0 1.5Gb/s interface this hard disk drive will most likely not be limited by its connection with the motherboard so much as by its own low performance.

A form factor size of 3.5" is standard for desktop drives, and this will fit into any standard case drive bay, or into a 5.25" drive bay with an adapter.

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